How many institutions own MRK stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own MRK shares is 4290, representing 80.58% of the company's common stock.

Who are the major shareholders selling Merck & Co., Inc. stock?

GOLDMAN SACHS GROUP INC, in the last quarter, reduced its stake in MRK by -15.98% restricting it's holding to 14.37 million shares of worth nearly $1.29B. WELLS FARGO & COMPANY/MN also lessened -19.96% of the MRK shares from its portfolio, reducing its holding to 11.9 million shares of worth $1.07B. AMERIPRISE FINANCIAL INC also shunned MRK shares holding by -7.63% last quarter which brought its holding to 12.9 million shares worth $1.16B.

Investors who are buying MRK stock?

As per its latest 13F filing, VANGUARD GROUP INC increased its stake in MRK by 0.56% in the last quarter. The institutional holder raised its holding to 252.51 million shares having worth more than $22.67B. SUSQUEHANNA INTERNATIONAL GROUP, LLP also added 61.86% more shares of MRK to its portfolio, raising its holding to 6.2 million shares of worth $556.53M. CITIGROUP INC also increased its MRK shares holding by 31.49% which brought its holding to 6.23 million shares worth $559.44M.

MRK's major insiders: who are they?

The insider with the most stakes in MRK is FRAZIER KENNETH C , Executive Chair at the company. Additionally, MRK stock is highly held by Chairman, CEO & President Davis Robert M and EVP&Pres, Merck Animal Heallth DeLuca Richard R. among others.

Did an insider recently sell MRK stock?

Company executives, directors, and other insiders own 0.06% percent of Merck & Co., Inc.'s stock. Within the last six months, there have been 4 transaction(s) in which MRK insiders have sold stock, totaling 21.12K shares. Insiders that have sold shares include SMART DALTON E. III, OOSTHUIZEN JOHANNES JACOBUS, and WILLIAMS DAVID MICHAEL.

Which insider recently purchased MRK stock?

There have been 2 transaction(s) during the past 6-months in which Merck & Co., Inc. insiders have bought stock, totalling 17833 shares

How much of MRK does insiders own?

Around 88.62K Merck & Co., Inc. shares are held by insiders, which represents about 0.06% of MRK stock.

Who is the insider with the largest stake?

MRK Executive Chair, FRAZIER KENNETH C holds the largest portfolio of the company's shares. MRK shares owned by FRAZIER total nearly 700.65 thousand.

Which institution holds the most shares in MRK?

VANGUARD GROUP INC is the largest institutional owner in MRK which holds 252.51 million shares worth $22.67B or 9.98% of the total MRK shares outstanding followed by SUSQUEHANNA INTERNATIONAL GROUP, LLP with ownership of 6.2 million shares representing 0.25% of the MRK ownership. CITIGROUP INC is the third largest stakeholder with 6.23 million shares or 0.25% of the ownership worth more than $559.44M.

Is Merck & Co., Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the MRK is concerned, it is a stock which is optionable.

Is there a short position on MRK's shares?

Number of MRK shares short is 41.93M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding MRK shares are there?

As of today, 2.51B shares of MRK are outstanding.

Is there many float in MRK stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, MRK has 2.51B shares in float.

MRK short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for MRK is 2.29.

Merck & Co (MRK) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares1.67

Short Percent Of Float1.85

Shares Outstanding2.51B

Shares Float2.51B

Shares Short41.93M

Short Ratio2.29

1.85%

Short % of Float

1.67%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.06% Percentage of Shares held by All Insiders

80.58% Percentage of Shares held by All Institutions

80.63% Percentage of Float held by Institutions

4290

Number of Institutions Holding Shares

Institutional Ownership

About 80.58% of MRK shares are held by financial institutions. VANGUARD GROUP INC is the top corporate investor, holding 252.51M shares valued at $22.67B. A 9.98% stake in Merck & Co., Inc. is owned by the company. SUSQUEHANNA INTERNATIONAL GROUP, LLP owns 6.2M shares valued at $556.53M, which translates its holding of 0.25% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	VANGUARD GROUP INC	9.98%	252.51M	22.67B	1.42M	+0.56%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.25%	6.2M	556.53M	2.37M	+61.86%
Mar 31, 2025	CITIGROUP INC	0.25%	6.23M	559.44M	1.49M	+31.49%
Mar 31, 2025	AQR CAPITAL MANAGEMENT LLC	0.31%	7.76M	691.07M	2.38M	+44.26%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.57%	14.37M	1.29B	-2.73M	-15.98%
Mar 31, 2025	WELLS FARGO & COMPANY/MN	0.47%	11.9M	1.07B	-2.97M	-19.96%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.51%	12.9M	1.16B	-1.07M	-7.63%
Mar 31, 2025	ROYAL BANK OF CANADA	0.56%	14.18M	1.27B	-4.2M	-22.84%
Mar 31, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.57%	14.36M	1.29B	7.89M	+121.87%
Mar 31, 2025	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.26%	6.69M	600.19M	521.33K	+8.46%
Mar 31, 2025	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.29%	7.29M	653.96M	72.94K	+1.01%
Mar 31, 2025	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.31%	7.79M	699.33M	1.51M	+23.95%
Mar 31, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.32%	7.98M	716.57M	-214.49K	-2.62%
Mar 31, 2025	SWEDBANK AB	0.32%	7.99M	717M	327.33K	+4.27%
Mar 31, 2025	BARCLAYS PLC	0.23%	5.86M	525.71M	-609.16K	-9.42%
Mar 31, 2025	INVESCO LTD.	0.6%	15.3M	1.37B	-154.11K	-1.00%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.95%	49.23M	4.42B	29.1M	+144.62%
Mar 31, 2025	DEUTSCHE BANK AG\	0.76%	19.17M	1.72B	-74.01K	-0.38%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.78%	19.76M	1.77B	270.8K	+1.39%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.91%	23.13M	2.08B	-1.08M	-4.47%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	3.23%	81.67M	7.33B	927.62K	+1.15%
Mar 31, 2025	STATE STREET CORP	4.76%	120.53M	10.91B	-379.67K	-0.31%
Mar 31, 2025	CLEARBRIDGE INVESTMENTS, LLC	0.23%	5.93M	532.25M	116.56K	+2.01%
Mar 31, 2025	SWISS NATIONAL BANK	0.28%	7.13M	640.42M	-25.9K	-0.36%
Mar 31, 2025	STIFEL FINANCIAL CORP	0.29%	7.45M	668.27M	82.94K	+1.13%
Mar 31, 2025	HARRIS ASSOCIATES L P	0.3%	7.47M	670.45M	1.22M	+19.62%
Mar 31, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.31%	7.84M	704.09M	-255.9K	-3.16%
Mar 31, 2025	HSBC HOLDINGS PLC	0.32%	8.01M	717.43M	-443.63K	-5.25%
Mar 31, 2025	D. E. SHAW & CO., INC.	0.37%	9.31M	835.82M	2.94M	+46.07%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.36%	59.66M	5.34B	-1.52M	-2.49%
Mar 31, 2025		0.44%	11.05M	991.55M	11.05M	+100.00%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	0.46%	11.77M	1.06B	-745.18K	-5.96%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.82%	20.74M	1.86B	-810.28K	-3.76%
Mar 31, 2025	FISHER ASSET MANAGEMENT, LLC	0.97%	24.45M	2.19B	8.33M	+51.73%
Mar 31, 2025	JPMORGAN CHASE & CO	1.13%	28.51M	2.56B	1.4M	+5.16%
Mar 31, 2025	NORTHERN TRUST CORP	1.2%	30.39M	2.73B	-986.24K	-3.14%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.32%	8.21M	736.52M	2.47M	+43.18%
Mar 31, 2025	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.33%	8.29M	744.36M	-182.72K	-2.16%
Mar 31, 2025	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.33%	8.46M	759.71M	-224.58K	-2.58%
Mar 31, 2025	NORDEA INVESTMENT MANAGEMENT AB	0.37%	9.42M	839.25M	16.43K	+0.17%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.4%	10.24M	918.82M	-873.28K	-7.86%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.43%	10.91M	979.6M	-663.31K	-5.73%
Mar 31, 2025	AMUNDI	0.52%	13.08M	1.13B	3.54M	+37.15%
Mar 31, 2025	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.55%	13.79M	1.24B	0	0
Mar 31, 2025	RAYMOND JAMES FINANCIAL INC	0.62%	15.64M	1.4B	-51.44K	-0.33%
Mar 31, 2025	UBS GROUP AG	0.83%	21.06M	1.89B	3.79M	+21.94%
Mar 31, 2025	FRANKLIN RESOURCES INC	0.87%	21.9M	1.97B	2.02M	+10.19%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.23%	31.08M	2.79B	-5.36M	-14.71%
Mar 31, 2025	FMR LLC	1.26%	31.81M	2.86B	-5.55M	-14.86%
Mar 31, 2025	MORGAN STANLEY	1.7%	43.11M	3.87B	-1.07M	-2.42%
Mar 31, 2025	BLACKROCK, INC.	8.91%	225.4M	20.23B	3.32M	+1.49%
Mar 31, 2024	JANUS HENDERSON GROUP PLC	0.41%	10.46M	1.38B	-1.6M	-13.24%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.4%	10.07M	1.33B	4.02M	+66.49%
Mar 31, 2024	RAYMOND JAMES & ASSOCIATES	0.39%	9.8M	1.29B	209.62K	+2.19%
Mar 31, 2024	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.36%	9.19M	1.21B	-292.47K	-3.08%
Mar 31, 2024	BLACKROCK INC.	8.17%	207.02M	27.32B	5.18M	+2.57%
Mar 31, 2024	STATE STREET CORP	4.64%	117.43M	15.58B	559.55K	+0.48%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	3.41%	86.35M	11.39B	752.26K	+0.88%
Mar 31, 2024	MORGAN STANLEY	1.64%	41.51M	5.48B	1.38M	+3.43%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	1.42%	36.01M	4.75B	-1.98M	-5.22%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	1.17%	29.64M	3.91B	-447.7K	-1.49%
Mar 31, 2024	DEUTSCHE BANK AG\	0.84%	21.24M	2.8B	-330.69K	-1.53%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.67%	16.97M	2.24B	557.93K	+3.40%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.23%	56.41M	7.43B	982.98K	+1.77%
Mar 31, 2024	FMR LLC	2.06%	52.17M	6.88B	9.37M	+21.89%
Mar 31, 2024	NORTHERN TRUST CORP	1.07%	27.1M	3.58B	-1.39M	-4.89%
Mar 31, 2024	JPMORGAN CHASE & CO	1.05%	26.66M	3.52B	1.25M	+4.92%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.92%	23.38M	3.08B	-115.53K	-0.49%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.78%	19.64M	2.59B	-1.19M	-5.70%
Mar 31, 2024	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.24%	6.18M	815.78M	-357.19K	-5.46%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.24%	6.03M	795.96M	120.57K	+2.04%
Mar 31, 2024	CAPITAL INTERNATIONAL INVESTORS	0.24%	6.02M	794.85M	5.87M	+3,714.86%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.23%	5.77M	761.46M	-168.67K	-2.84%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.22%	5.52M	728.9M	-752.85K	-11.99%
Mar 31, 2024		0.22%	5.49M	724.78M	5.49M	+100.00%
Mar 31, 2024	DEKABANK DEUTSCHE GIROZENTRALE	0.21%	5.39M	716.22M	22.49K	+0.42%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.2%	5.17M	681.56B	-222.51K	-4.13%
Mar 31, 2024	MACQUARIE GROUP LTD	0.2%	4.96M	653.87M	-1.02M	-17.01%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.19%	4.93M	650.65M	-164.16K	-3.22%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.19%	4.89M	644.84M	428.58K	+9.61%
Mar 31, 2024	ABRDN PLC	0.19%	4.88M	643.95M	14.72K	+0.30%
Mar 31, 2024	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.19%	4.73M	623.74M	701.2K	+17.42%
Mar 31, 2024	CITIGROUP INC	0.19%	4.71M	621.49M	613.1K	+14.96%
Mar 31, 2024	RHUMBLINE ADVISERS	0.18%	4.45M	587.07M	-108.07K	-2.37%
Mar 31, 2024	BAHL & GAYNOR INC	0.17%	4.19M	553.04M	-80.67K	-1.89%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.16%	4.1M	540.68M	337.96K	+8.99%
Mar 31, 2024	NATIONAL PENSION SERVICE	0.16%	4.08M	538.68M	50.44K	+1.25%
Mar 31, 2024	VANGUARD GROUP INC	9.6%	243.27M	32.1B	-1.51M	-0.62%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.65%	16.38M	2.16B	114.18K	+0.70%
Mar 31, 2024	INVESCO LTD.	0.63%	16.06M	2.12B	-699.07K	-4.17%
Mar 31, 2024	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.82B	0	0
Mar 31, 2024	ROYAL BANK OF CANADA	0.54%	13.6M	1.8B	-1.37M	-9.14%
Mar 31, 2024	FRANKLIN RESOURCES INC	0.7%	17.69M	2.33B	7.58M	+74.93%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.7%	17.65M	2.29B	-19.03M	-51.88%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.65%	16.54M	2.18B	-158.15K	-0.95%
Mar 31, 2024	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.58%	14.7M	1.94B	2.65M	+22.00%
Mar 31, 2024	CAPITAL WORLD INVESTORS	0.55%	13.95M	1.84B	5.63M	+67.59%
Mar 31, 2024	FISHER ASSET MANAGEMENT, LLC	0.55%	13.87M	1.83B	319.2K	+2.36%
Mar 31, 2024	UBS GROUP AG	0.53%	13.54M	1.79B	878.54K	+6.94%
Mar 31, 2024	AMUNDI	0.5%	12.67M	1.59B	287.83K	+2.33%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.55M	1.66B	-122.6K	-0.97%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.46%	11.66M	1.54B	-450.04K	-3.72%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.44%	11.19M	1.48B	2.19M	+24.33%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.43%	11.01M	1.45B	-1.98M	-15.24%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.43%	10.89M	1.44B	-541.81K	-4.74%
Mar 31, 2024	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	8.84M	1.17B	1.29M	+17.10%
Mar 31, 2024	BARCLAYS PLC	0.34%	8.67M	1.14B	3.2M	+58.38%
Mar 31, 2024	PNC FINANCIAL SERVICES GROUP, INC.	0.33%	8.45M	1.12B	-342.21K	-3.89%
Mar 31, 2024	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.36M	1.1B	56.64K	+0.68%
Mar 31, 2024	ENVESTNET ASSET MANAGEMENT INC	0.3%	7.63M	1.01B	469.44K	+6.56%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	7.59M	1B	-345.9K	-4.36%
Mar 31, 2024	CITADEL ADVISORS LLC	0.3%	7.58M	999.55M	1.26M	+19.90%
Mar 31, 2024	HSBC HOLDINGS PLC	0.29%	7.43M	979.7M	749.93K	+11.23%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.28%	7.07M	932.92M	296.09K	+4.37%
Mar 31, 2024	STIFEL FINANCIAL CORP	0.28%	7.04M	928.68M	240.64K	+3.54%
Mar 31, 2024	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.03M	927.38M	-107.85K	-1.51%
Mar 31, 2024	LSV ASSET MANAGEMENT	0.28%	6.99M	922.04M	-481.29K	-6.44%
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.26%	6.58M	866.92M	-981.3K	-12.98%
Mar 31, 2024	CREDIT SUISSE AG/	0.25%	6.29M	829.65M	-227.87K	-3.50%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	1.5%	37.99M	4.14B	2.24M	+6.28%
Dec 31, 2023	FMR LLC	1.69%	42.8M	4.67B	4.65M	+12.20%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.18%	55.43M	6.03B	1.35M	+2.50%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	3.37%	85.6M	9.33B	85.6M	+100.00%
Dec 31, 2023	STATE STREET CORP	4.61%	116.87M	12.83B	1.2M	+1.03%
Dec 31, 2023	BLACKROCK INC.	7.95%	201.84M	22B	-1.1M	-0.54%
Dec 31, 2023	VANGUARD GROUP INC	9.65%	244.78M	26.69B	1.24M	+0.51%
Dec 31, 2023	CREDIT SUISSE AG/	0.26%	6.52M	710.32M	-805.94K	-11.01%
Dec 31, 2023	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.26%	6.54M	712.95M	-1.4K	-0.02%
Dec 31, 2023	HSBC HOLDINGS PLC	0.26%	6.68M	727.71M	402.73K	+6.42%
Dec 31, 2023	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.27%	6.77M	738.52M	-118.17K	-1.71%
Dec 31, 2023	STIFEL FINANCIAL CORP	0.27%	6.8M	741.06M	-37.18K	-0.54%
Dec 31, 2023	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.13M	777.79M	-146.41K	-2.01%
Dec 31, 2023	ENVESTNET ASSET MANAGEMENT INC	0.28%	7.16M	780.43M	-71.1K	-0.98%
Dec 31, 2023	LSV ASSET MANAGEMENT	0.29%	7.47M	814.28M	-345.13K	-4.42%
Dec 31, 2023	SCHRODER INVESTMENT MANAGEMENT GROUP	0.3%	7.54M	822.54M	404.65K	+5.67%
Dec 31, 2023	BANK OF MONTREAL /CAN/	0.3%	7.56M	824.76M	2.04M	+36.87%
Dec 31, 2023	SWISS NATIONAL BANK	0.31%	7.93M	865.04M	-227K	-2.78%
Dec 31, 2023	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.31M	905.04M	-131.04K	-1.55%
Dec 31, 2023	CAPITAL WORLD INVESTORS	0.33%	8.33M	907.71M	-3.3M	-28.40%
Dec 31, 2023	PUTNAM INVESTMENTS LLC	0.33%	8.46M	921.91M	328.35K	+4.04%
Dec 31, 2023	PNC FINANCIAL SERVICES GROUP, INC.	0.35%	8.79M	958.67M	-102.25K	-1.15%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.35%	9M	980.89M	-392.12K	-4.18%
Dec 31, 2023	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.37%	9.49M	1.03B	-436.26K	-4.40%
Dec 31, 2023	RAYMOND JAMES & ASSOCIATES	0.38%	9.59M	1.05B	178.13K	+1.89%
Dec 31, 2023	FRANKLIN RESOURCES INC	0.4%	10.11M	1.1B	617.02K	+6.50%
Dec 31, 2023	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.45%	11.43M	1.25B	-674.66K	-5.57%
Dec 31, 2023	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.47%	12.05M	1.31B	253.98K	+2.15%
Dec 31, 2023	JANUS HENDERSON GROUP PLC	0.48%	12.06M	1.31B	-273.18K	-2.22%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.48%	12.11M	1.32B	-914.71K	-7.02%
Dec 31, 2023	AMUNDI	0.49%	12.38M	1.46B	-2.17M	-14.92%
Dec 31, 2023	UBS GROUP AG	0.5%	12.66M	1.38B	443.31K	+3.63%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.67M	1.38B	17.9K	+0.14%
Dec 31, 2023	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.51%	12.99M	1.42B	984.46K	+8.20%
Dec 31, 2023	FISHER ASSET MANAGEMENT, LLC	0.53%	13.55M	1.48B	212.85K	+1.60%
Dec 31, 2023	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.5B	-436.23K	-3.07%
Dec 31, 2023	MORGAN STANLEY	1.58%	40.13M	4.37B	1.54M	+3.98%
Dec 31, 2023	ROYAL BANK OF CANADA	0.59%	14.97M	1.63B	1.7M	+12.78%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0.64%	16.26M	1.77B	-151.74K	-0.92%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.65%	16.41M	1.79B	-188.33K	-1.13%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.66%	16.7M	1.82B	47.79K	+0.29%
Dec 31, 2023	INVESCO LTD.	0.66%	16.76M	1.83B	-915.21K	-5.18%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.82%	20.83M	2.27B	-4.16M	-16.65%
Dec 31, 2023	DEUTSCHE BANK AG\	0.85%	21.57M	2.35B	2.25M	+11.64%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.93%	23.49M	2.56B	3.35M	+16.64%
Dec 31, 2023	JPMORGAN CHASE & CO	1%	25.41M	2.77B	2.46M	+10.70%
Dec 31, 2023	NORTHERN TRUST CORP	1.12%	28.49M	3.11B	-1.37M	-4.58%
Dec 31, 2023	NORGES BANK	1.12%	28.51M	3.11B	28.51M	+100.00%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	1.19%	30.09M	3.28B	809.05K	+2.76%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.45%	36.68M	3.97B	4.73M	+14.81%

Insiders

Among the MRK insiders holding of 0.06% of the stake in company, FRAZIER KENNETH C, Executive Chair, holds the largest shares of 700.65K. DAVIS ROBERT M, Chairman, CEO & President, is the second largest MRK insider with ownership of 348.33K shares. DELUCA RICHARD R., EVP&Pres, Merck Animal Heallth, stands third with possession of 111.76K shares of that stake.

Insiders	Designation	Shares Held
FRAZIER KENNETH C	Executive Chair	700.65K
DAVIS ROBERT M	Chairman, CEO & President	348.33K
DELUCA RICHARD R.	EVP&Pres, Merck Animal Heallth	111.76K
CLYBURN FRANK	EVP & Pres ? Human Health	97.1K
LITCHFIELD CAROLINE	EVP & CFO	50.91K
LI DEAN Y	Executive VP & President, MRL	46.24K
KARACHUN RITA A	Sr. VP Fince-Global Controller	45.71K
GERBERDING JULIE L.	EVP, Chief Patient Officer	39.16K
OOSTHUIZEN JOHANNES JACOBUS	President, U.S. Market	30.71K
ZACHARY JENNIFER	EVP, General Counsel	29.06K
WILLIAMS DAVID MICHAEL	EVP,Chief Info&Digital Officer	24.12K
MIZELL STEVEN	EVP, Chief HR Officer	23.62K
ROMANELLI JOSEPH	President, Human Health Int?l	19.57K
BAKER DOUGLAS M JR	director	16K
SMART DALTON E. III	SVP Fin. - Global Controller	7.78K
DOWNING CRISTAL N	Chief Comm. & Public Afrs Ofcr	7.09K
THULIN INGE G	director	2.93K
BRUN LESLIE A	director	1.95K
WEEKS WENDELL P	director	100
CHATTOPADHYAY SANAT	Exe V-P & Pres. MMD	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Apr 25, 2025	SMART DALTON E. III	SALE	82.76	4.26K	352.72K	7.78K
Feb 19, 2025	OOSTHUIZEN JOHANNES JACOBUS	SALE	84.09	8.5K	714.74K	30.71K
Feb 13, 2025	WILLIAMS DAVID MICHAEL	SALE	85.34	6K	512.06K	24.12K
Feb 06, 2025	DOWNING CRISTAL N	SALE	88.76	2.36K	209.55K	7.09K
Feb 06, 2025	THULIN INGE G	PURCHASE	88.25	2.83K	250K	2.93K
Feb 05, 2025	BAKER DOUGLAS M JR	PURCHASE	88.50	15K	1.33M	16K
Feb 14, 2024	DAVIS ROBERT M	SALE	125.40	85.02K	10.66M	348.33K
Feb 14, 2024	LITCHFIELD CAROLINE	SALE	125.50	38.29K	4.81M	50.91K
Feb 13, 2024	DAVIS ROBERT M	SALE	126.37	25.32K	3.2M	348.33K
Feb 13, 2024	ROMANELLI JOSEPH	SALE	124.89	1K	124.89K	19.57K
Feb 09, 2024	LI DEAN Y	SALE	125.50	14.7K	1.85M	46.24K
Feb 07, 2024	WILLIAMS DAVID MICHAEL	SALE	127.57	1.45K	185.11K	19.81K
Feb 02, 2024	OOSTHUIZEN JOHANNES JACOBUS	SALE	127.17	18.96K	2.41M	23.33K
Feb 02, 2024	ZACHARY JENNIFER	SALE	126.97	49.5K	6.28M	29.06K
Feb 02, 2024	MIZELL STEVEN	SALE	126.65	50.69K	6.42M	23.62K
Nov 09, 2023	OOSTHUIZEN JOHANNES JACOBUS	SALE	102.38	2.08K	213.06K	18.19K
Nov 08, 2023	DELUCA RICHARD R.	SALE	105.03	43.82K	4.6M	111.76K
Aug 14, 2023	MIZELL STEVEN	SALE	109.01	4.25K	463.29K	22.94K
Aug 03, 2023	MIZELL STEVEN	SALE	105.49	4.5K	474.7K	27.19K
Aug 02, 2023	ROMANELLI JOSEPH	SALE	107.37	59	6.33K	0
May 04, 2023	ZACHARY JENNIFER	SALE	117.59	19.14K	2.25M	35.13K
May 04, 2023	KARACHUN RITA A	SALE	117.53	15.88K	1.87M	45.71K
May 03, 2023	MIZELL STEVEN	SALE	119.01	13.4K	1.59M	31.69K
May 02, 2023	WILLIAMS DAVID MICHAEL	SALE	116.82	7.51K	877.22K	11.06K
May 01, 2023	DELUCA RICHARD R.	SALE	116.03	75.44K	8.75M	154.49K
Apr 28, 2023	DAVIS ROBERT M	SALE	114.93	143.33K	16.47M	271.82K
Apr 28, 2023	DELUCA RICHARD R.	SALE	115.00	66.16K	7.61M	154.49K
Apr 26, 2023	ROMANELLI JOSEPH	PURCHASE	113.68	3	341.04	20.6K
Apr 13, 2023	CHATTOPADHYAY SANAT	SALE	115.07	67.89K	7.81M	0
Mar 24, 2023	ROMANELLI JOSEPH	SALE	104.65	35	3.66K	20.6K
Mar 20, 2023	ROMANELLI JOSEPH	PURCHASE	105.47	136	14.34K	20.63K
Feb 21, 2023	ROMANELLI JOSEPH	PURCHASE	109.20	11	1.2K	20.5K
Feb 15, 2023	ROMANELLI JOSEPH	SALE	108.22	5K	541.1K	20.28K
Feb 13, 2023	MIZELL STEVEN	SALE	109.10	1.82K	198.02K	33.09K
Feb 09, 2023	MIZELL STEVEN	SALE	107.00	5K	535.01K	34.9K
Feb 06, 2023	MIZELL STEVEN	SALE	104.25	4.44K	462.47K	39.9K
Feb 03, 2023	ZACHARY JENNIFER	SALE	103.17	75.44K	7.78M	53.92K
Jan 09, 2023	CHATTOPADHYAY SANAT	SALE	114.46	1.7K	194.81K	29.5K
Dec 19, 2022	ROMANELLI JOSEPH	PURCHASE	109.04	7	763.28	20.48K
Dec 13, 2022	ROMANELLI JOSEPH	PURCHASE	110.96	56	6.21K	20.48K
Dec 06, 2022	ROMANELLI JOSEPH	PURCHASE	109.39	30	3.28K	20.42K
Dec 05, 2022	ROMANELLI JOSEPH	PURCHASE	109.54	107	11.72K	20.39K
Dec 02, 2022	ROMANELLI JOSEPH	PURCHASE	109.67	59	6.47K	59
Nov 10, 2022	MIZELL STEVEN	SALE	101.42	15K	1.52M	32.14K
Nov 09, 2022	DAVIS ROBERT M	SALE	103.59	100	10.36K	247.59K
Nov 09, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	103.21	1.8K	185.26K	16.73K
Nov 08, 2022	MIZELL STEVEN	SALE	101.00	20K	2.02M	32.14K
Nov 07, 2022	FRAZIER KENNETH C	SALE	100.07	84.72K	8.48M	700.65K
Nov 07, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	99.47	45.56K	4.53M	18.53K
Nov 04, 2022	FRAZIER KENNETH C	SALE	99.08	34.81K	3.45M	700.65K
Nov 03, 2022	FRAZIER KENNETH C	SALE	99.09	20.38K	2.02M	700.65K
Nov 02, 2022	FRAZIER KENNETH C	SALE	100.40	94.34K	9.47M	700.65K
Nov 01, 2022	FRAZIER KENNETH C	SALE	101.05	700	70.73K	706.28K
Oct 31, 2022	FRAZIER KENNETH C	SALE	101.03	229.3K	23.17M	706.28K
Oct 28, 2022	CHATTOPADHYAY SANAT	SALE	100.10	100.29K	10.04M	45.61K
Oct 28, 2022	FRAZIER KENNETH C	SALE	100.80	178.36K	17.98M	706.28K
Oct 28, 2022	KARACHUN RITA A	SALE	100.34	32K	3.21M	41.1K
Oct 28, 2022	MIZELL STEVEN	SALE	98.84	8K	790.72K	32.14K
Oct 28, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	100.21	3.63K	364.06K	10.88K
Oct 28, 2022	ZACHARY JENNIFER	SALE	99.85	65.49K	6.54M	38.04K
Oct 28, 2022	DELUCA RICHARD R.	SALE	100.26	164.56K	16.5M	136.98K
Nov 09, 2021	FRAZIER KENNETH C	SALE	83.23	29.62K	2.46M	586.8K
Nov 04, 2021	LITCHFIELD CAROLINE	SALE	91.00	18.34K	1.67M	24.11K
Nov 04, 2021	DELUCA RICHARD R.	SALE	90.40	29.78K	2.69M	116.93K
Nov 03, 2021	KARACHUN RITA A	SALE	88.45	25K	2.21M	35.8K
Nov 01, 2021	CLYBURN FRANK	SALE	87.87	39.76K	3.49M	97.1K
Nov 01, 2021	GERBERDING JULIE L.	SALE	87.91	96.27K	8.46M	39.16K
Oct 29, 2021	DELUCA RICHARD R.	SALE	87.56	135.41K	11.86M	116.93K
Oct 29, 2021	CHATTOPADHYAY SANAT	SALE	87.32	24.62K	2.15M	93.15K
May 10, 2021	CLYBURN FRANK	SALE	78.32	19.32K	1.51M	94.35K
Nov 09, 2020	FRAZIER KENNETH C	SALE	81.74	144.87K	11.84M	411.55K
Oct 05, 2020	DAVIS ROBERT M	SALE	81.03	251.27K	20.36M	171.06K
Aug 13, 2020	CHATTOPADHYAY SANAT	SALE	83.01	10.38K	861.68K	67.37K
Aug 05, 2020	CLYBURN FRANK	SALE	81.55	18.88K	1.54M	80.76K
Jul 17, 2020	GERBERDING JULIE L.	SALE	80.01	18.17K	1.45M	26.58K
May 07, 2020	BRUN LESLIE A	SALE	75.46	5K	377.3K	1.95K
May 07, 2020	WEEKS WENDELL P	SALE	76.02	5K	380.1K	100
Jan 13, 2020	GERBERDING JULIE L.	SALE	89.34	102.07K	9.12M	37.04K
Aug 08, 2019	DELUCA RICHARD R.	SALE	85.01	31.7K	2.69M	71.52K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE17.83K2

SALES21.12K4

NET SHARES-3.29K2

SHARES HELD88.62K6

% NET SHARES-103.71%-66.67%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares1.67

Short Percent Of Float1.85

Shares Outstanding2.51B

Shares Float2.51B

Shares Short41.93M

Short Ratio2.29

1.85%

Short % of Float

1.67%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.06% Percentage of Shares held by All Insiders

80.58% Percentage of Shares held by All Institutions

80.63% Percentage of Float held by Institutions

4290

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	VANGUARD GROUP INC	9.98%	252.51M	22.67B	1.42M	+0.56%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.25%	6.2M	556.53M	2.37M	+61.86%
Mar 31, 2025	CITIGROUP INC	0.25%	6.23M	559.44M	1.49M	+31.49%
Mar 31, 2025	AQR CAPITAL MANAGEMENT LLC	0.31%	7.76M	691.07M	2.38M	+44.26%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.57%	14.37M	1.29B	-2.73M	-15.98%
Mar 31, 2025	WELLS FARGO & COMPANY/MN	0.47%	11.9M	1.07B	-2.97M	-19.96%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.51%	12.9M	1.16B	-1.07M	-7.63%
Mar 31, 2025	ROYAL BANK OF CANADA	0.56%	14.18M	1.27B	-4.2M	-22.84%
Mar 31, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.57%	14.36M	1.29B	7.89M	+121.87%
Mar 31, 2025	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.26%	6.69M	600.19M	521.33K	+8.46%
Mar 31, 2025	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.29%	7.29M	653.96M	72.94K	+1.01%
Mar 31, 2025	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.31%	7.79M	699.33M	1.51M	+23.95%
Mar 31, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.32%	7.98M	716.57M	-214.49K	-2.62%
Mar 31, 2025	SWEDBANK AB	0.32%	7.99M	717M	327.33K	+4.27%
Mar 31, 2025	BARCLAYS PLC	0.23%	5.86M	525.71M	-609.16K	-9.42%
Mar 31, 2025	INVESCO LTD.	0.6%	15.3M	1.37B	-154.11K	-1.00%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.95%	49.23M	4.42B	29.1M	+144.62%
Mar 31, 2025	DEUTSCHE BANK AG\	0.76%	19.17M	1.72B	-74.01K	-0.38%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.78%	19.76M	1.77B	270.8K	+1.39%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.91%	23.13M	2.08B	-1.08M	-4.47%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	3.23%	81.67M	7.33B	927.62K	+1.15%
Mar 31, 2025	STATE STREET CORP	4.76%	120.53M	10.91B	-379.67K	-0.31%
Mar 31, 2025	CLEARBRIDGE INVESTMENTS, LLC	0.23%	5.93M	532.25M	116.56K	+2.01%
Mar 31, 2025	SWISS NATIONAL BANK	0.28%	7.13M	640.42M	-25.9K	-0.36%
Mar 31, 2025	STIFEL FINANCIAL CORP	0.29%	7.45M	668.27M	82.94K	+1.13%
Mar 31, 2025	HARRIS ASSOCIATES L P	0.3%	7.47M	670.45M	1.22M	+19.62%
Mar 31, 2025	PNC FINANCIAL SERVICES GROUP, INC.	0.31%	7.84M	704.09M	-255.9K	-3.16%
Mar 31, 2025	HSBC HOLDINGS PLC	0.32%	8.01M	717.43M	-443.63K	-5.25%
Mar 31, 2025	D. E. SHAW & CO., INC.	0.37%	9.31M	835.82M	2.94M	+46.07%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.36%	59.66M	5.34B	-1.52M	-2.49%
Mar 31, 2025		0.44%	11.05M	991.55M	11.05M	+100.00%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	0.46%	11.77M	1.06B	-745.18K	-5.96%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.82%	20.74M	1.86B	-810.28K	-3.76%
Mar 31, 2025	FISHER ASSET MANAGEMENT, LLC	0.97%	24.45M	2.19B	8.33M	+51.73%
Mar 31, 2025	JPMORGAN CHASE & CO	1.13%	28.51M	2.56B	1.4M	+5.16%
Mar 31, 2025	NORTHERN TRUST CORP	1.2%	30.39M	2.73B	-986.24K	-3.14%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.32%	8.21M	736.52M	2.47M	+43.18%
Mar 31, 2025	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.33%	8.29M	744.36M	-182.72K	-2.16%
Mar 31, 2025	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.33%	8.46M	759.71M	-224.58K	-2.58%
Mar 31, 2025	NORDEA INVESTMENT MANAGEMENT AB	0.37%	9.42M	839.25M	16.43K	+0.17%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.4%	10.24M	918.82M	-873.28K	-7.86%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.43%	10.91M	979.6M	-663.31K	-5.73%
Mar 31, 2025	AMUNDI	0.52%	13.08M	1.13B	3.54M	+37.15%
Mar 31, 2025	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.55%	13.79M	1.24B	0	0
Mar 31, 2025	RAYMOND JAMES FINANCIAL INC	0.62%	15.64M	1.4B	-51.44K	-0.33%
Mar 31, 2025	UBS GROUP AG	0.83%	21.06M	1.89B	3.79M	+21.94%
Mar 31, 2025	FRANKLIN RESOURCES INC	0.87%	21.9M	1.97B	2.02M	+10.19%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.23%	31.08M	2.79B	-5.36M	-14.71%
Mar 31, 2025	FMR LLC	1.26%	31.81M	2.86B	-5.55M	-14.86%
Mar 31, 2025	MORGAN STANLEY	1.7%	43.11M	3.87B	-1.07M	-2.42%
Mar 31, 2025	BLACKROCK, INC.	8.91%	225.4M	20.23B	3.32M	+1.49%
Mar 31, 2024	JANUS HENDERSON GROUP PLC	0.41%	10.46M	1.38B	-1.6M	-13.24%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.4%	10.07M	1.33B	4.02M	+66.49%
Mar 31, 2024	RAYMOND JAMES & ASSOCIATES	0.39%	9.8M	1.29B	209.62K	+2.19%
Mar 31, 2024	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.36%	9.19M	1.21B	-292.47K	-3.08%
Mar 31, 2024	BLACKROCK INC.	8.17%	207.02M	27.32B	5.18M	+2.57%
Mar 31, 2024	STATE STREET CORP	4.64%	117.43M	15.58B	559.55K	+0.48%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	3.41%	86.35M	11.39B	752.26K	+0.88%
Mar 31, 2024	MORGAN STANLEY	1.64%	41.51M	5.48B	1.38M	+3.43%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	1.42%	36.01M	4.75B	-1.98M	-5.22%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	1.17%	29.64M	3.91B	-447.7K	-1.49%
Mar 31, 2024	DEUTSCHE BANK AG\	0.84%	21.24M	2.8B	-330.69K	-1.53%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.67%	16.97M	2.24B	557.93K	+3.40%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.23%	56.41M	7.43B	982.98K	+1.77%
Mar 31, 2024	FMR LLC	2.06%	52.17M	6.88B	9.37M	+21.89%
Mar 31, 2024	NORTHERN TRUST CORP	1.07%	27.1M	3.58B	-1.39M	-4.89%
Mar 31, 2024	JPMORGAN CHASE & CO	1.05%	26.66M	3.52B	1.25M	+4.92%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.92%	23.38M	3.08B	-115.53K	-0.49%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.78%	19.64M	2.59B	-1.19M	-5.70%
Mar 31, 2024	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.24%	6.18M	815.78M	-357.19K	-5.46%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.24%	6.03M	795.96M	120.57K	+2.04%
Mar 31, 2024	CAPITAL INTERNATIONAL INVESTORS	0.24%	6.02M	794.85M	5.87M	+3,714.86%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.23%	5.77M	761.46M	-168.67K	-2.84%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.22%	5.52M	728.9M	-752.85K	-11.99%
Mar 31, 2024		0.22%	5.49M	724.78M	5.49M	+100.00%
Mar 31, 2024	DEKABANK DEUTSCHE GIROZENTRALE	0.21%	5.39M	716.22M	22.49K	+0.42%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.2%	5.17M	681.56B	-222.51K	-4.13%
Mar 31, 2024	MACQUARIE GROUP LTD	0.2%	4.96M	653.87M	-1.02M	-17.01%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.19%	4.93M	650.65M	-164.16K	-3.22%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.19%	4.89M	644.84M	428.58K	+9.61%
Mar 31, 2024	ABRDN PLC	0.19%	4.88M	643.95M	14.72K	+0.30%
Mar 31, 2024	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.19%	4.73M	623.74M	701.2K	+17.42%
Mar 31, 2024	CITIGROUP INC	0.19%	4.71M	621.49M	613.1K	+14.96%
Mar 31, 2024	RHUMBLINE ADVISERS	0.18%	4.45M	587.07M	-108.07K	-2.37%
Mar 31, 2024	BAHL & GAYNOR INC	0.17%	4.19M	553.04M	-80.67K	-1.89%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.16%	4.1M	540.68M	337.96K	+8.99%
Mar 31, 2024	NATIONAL PENSION SERVICE	0.16%	4.08M	538.68M	50.44K	+1.25%
Mar 31, 2024	VANGUARD GROUP INC	9.6%	243.27M	32.1B	-1.51M	-0.62%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.65%	16.38M	2.16B	114.18K	+0.70%
Mar 31, 2024	INVESCO LTD.	0.63%	16.06M	2.12B	-699.07K	-4.17%
Mar 31, 2024	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.82B	0	0
Mar 31, 2024	ROYAL BANK OF CANADA	0.54%	13.6M	1.8B	-1.37M	-9.14%
Mar 31, 2024	FRANKLIN RESOURCES INC	0.7%	17.69M	2.33B	7.58M	+74.93%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.7%	17.65M	2.29B	-19.03M	-51.88%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.65%	16.54M	2.18B	-158.15K	-0.95%
Mar 31, 2024	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.58%	14.7M	1.94B	2.65M	+22.00%
Mar 31, 2024	CAPITAL WORLD INVESTORS	0.55%	13.95M	1.84B	5.63M	+67.59%
Mar 31, 2024	FISHER ASSET MANAGEMENT, LLC	0.55%	13.87M	1.83B	319.2K	+2.36%
Mar 31, 2024	UBS GROUP AG	0.53%	13.54M	1.79B	878.54K	+6.94%
Mar 31, 2024	AMUNDI	0.5%	12.67M	1.59B	287.83K	+2.33%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.55M	1.66B	-122.6K	-0.97%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.46%	11.66M	1.54B	-450.04K	-3.72%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.44%	11.19M	1.48B	2.19M	+24.33%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.43%	11.01M	1.45B	-1.98M	-15.24%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.43%	10.89M	1.44B	-541.81K	-4.74%
Mar 31, 2024	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	8.84M	1.17B	1.29M	+17.10%
Mar 31, 2024	BARCLAYS PLC	0.34%	8.67M	1.14B	3.2M	+58.38%
Mar 31, 2024	PNC FINANCIAL SERVICES GROUP, INC.	0.33%	8.45M	1.12B	-342.21K	-3.89%
Mar 31, 2024	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.36M	1.1B	56.64K	+0.68%
Mar 31, 2024	ENVESTNET ASSET MANAGEMENT INC	0.3%	7.63M	1.01B	469.44K	+6.56%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	7.59M	1B	-345.9K	-4.36%
Mar 31, 2024	CITADEL ADVISORS LLC	0.3%	7.58M	999.55M	1.26M	+19.90%
Mar 31, 2024	HSBC HOLDINGS PLC	0.29%	7.43M	979.7M	749.93K	+11.23%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.28%	7.07M	932.92M	296.09K	+4.37%
Mar 31, 2024	STIFEL FINANCIAL CORP	0.28%	7.04M	928.68M	240.64K	+3.54%
Mar 31, 2024	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.03M	927.38M	-107.85K	-1.51%
Mar 31, 2024	LSV ASSET MANAGEMENT	0.28%	6.99M	922.04M	-481.29K	-6.44%
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.26%	6.58M	866.92M	-981.3K	-12.98%
Mar 31, 2024	CREDIT SUISSE AG/	0.25%	6.29M	829.65M	-227.87K	-3.50%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	1.5%	37.99M	4.14B	2.24M	+6.28%
Dec 31, 2023	FMR LLC	1.69%	42.8M	4.67B	4.65M	+12.20%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.18%	55.43M	6.03B	1.35M	+2.50%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	3.37%	85.6M	9.33B	85.6M	+100.00%
Dec 31, 2023	STATE STREET CORP	4.61%	116.87M	12.83B	1.2M	+1.03%
Dec 31, 2023	BLACKROCK INC.	7.95%	201.84M	22B	-1.1M	-0.54%
Dec 31, 2023	VANGUARD GROUP INC	9.65%	244.78M	26.69B	1.24M	+0.51%
Dec 31, 2023	CREDIT SUISSE AG/	0.26%	6.52M	710.32M	-805.94K	-11.01%
Dec 31, 2023	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.26%	6.54M	712.95M	-1.4K	-0.02%
Dec 31, 2023	HSBC HOLDINGS PLC	0.26%	6.68M	727.71M	402.73K	+6.42%
Dec 31, 2023	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.27%	6.77M	738.52M	-118.17K	-1.71%
Dec 31, 2023	STIFEL FINANCIAL CORP	0.27%	6.8M	741.06M	-37.18K	-0.54%
Dec 31, 2023	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.13M	777.79M	-146.41K	-2.01%
Dec 31, 2023	ENVESTNET ASSET MANAGEMENT INC	0.28%	7.16M	780.43M	-71.1K	-0.98%
Dec 31, 2023	LSV ASSET MANAGEMENT	0.29%	7.47M	814.28M	-345.13K	-4.42%
Dec 31, 2023	SCHRODER INVESTMENT MANAGEMENT GROUP	0.3%	7.54M	822.54M	404.65K	+5.67%
Dec 31, 2023	BANK OF MONTREAL /CAN/	0.3%	7.56M	824.76M	2.04M	+36.87%
Dec 31, 2023	SWISS NATIONAL BANK	0.31%	7.93M	865.04M	-227K	-2.78%
Dec 31, 2023	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.31M	905.04M	-131.04K	-1.55%
Dec 31, 2023	CAPITAL WORLD INVESTORS	0.33%	8.33M	907.71M	-3.3M	-28.40%
Dec 31, 2023	PUTNAM INVESTMENTS LLC	0.33%	8.46M	921.91M	328.35K	+4.04%
Dec 31, 2023	PNC FINANCIAL SERVICES GROUP, INC.	0.35%	8.79M	958.67M	-102.25K	-1.15%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.35%	9M	980.89M	-392.12K	-4.18%
Dec 31, 2023	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.37%	9.49M	1.03B	-436.26K	-4.40%
Dec 31, 2023	RAYMOND JAMES & ASSOCIATES	0.38%	9.59M	1.05B	178.13K	+1.89%
Dec 31, 2023	FRANKLIN RESOURCES INC	0.4%	10.11M	1.1B	617.02K	+6.50%
Dec 31, 2023	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.45%	11.43M	1.25B	-674.66K	-5.57%
Dec 31, 2023	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.47%	12.05M	1.31B	253.98K	+2.15%
Dec 31, 2023	JANUS HENDERSON GROUP PLC	0.48%	12.06M	1.31B	-273.18K	-2.22%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.48%	12.11M	1.32B	-914.71K	-7.02%
Dec 31, 2023	AMUNDI	0.49%	12.38M	1.46B	-2.17M	-14.92%
Dec 31, 2023	UBS GROUP AG	0.5%	12.66M	1.38B	443.31K	+3.63%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.67M	1.38B	17.9K	+0.14%
Dec 31, 2023	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.51%	12.99M	1.42B	984.46K	+8.20%
Dec 31, 2023	FISHER ASSET MANAGEMENT, LLC	0.53%	13.55M	1.48B	212.85K	+1.60%
Dec 31, 2023	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.5B	-436.23K	-3.07%
Dec 31, 2023	MORGAN STANLEY	1.58%	40.13M	4.37B	1.54M	+3.98%
Dec 31, 2023	ROYAL BANK OF CANADA	0.59%	14.97M	1.63B	1.7M	+12.78%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0.64%	16.26M	1.77B	-151.74K	-0.92%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.65%	16.41M	1.79B	-188.33K	-1.13%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.66%	16.7M	1.82B	47.79K	+0.29%
Dec 31, 2023	INVESCO LTD.	0.66%	16.76M	1.83B	-915.21K	-5.18%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.82%	20.83M	2.27B	-4.16M	-16.65%
Dec 31, 2023	DEUTSCHE BANK AG\	0.85%	21.57M	2.35B	2.25M	+11.64%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.93%	23.49M	2.56B	3.35M	+16.64%
Dec 31, 2023	JPMORGAN CHASE & CO	1%	25.41M	2.77B	2.46M	+10.70%
Dec 31, 2023	NORTHERN TRUST CORP	1.12%	28.49M	3.11B	-1.37M	-4.58%
Dec 31, 2023	NORGES BANK	1.12%	28.51M	3.11B	28.51M	+100.00%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	1.19%	30.09M	3.28B	809.05K	+2.76%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.45%	36.68M	3.97B	4.73M	+14.81%

Insiders

Insiders	Designation	Shares Held
FRAZIER KENNETH C	Executive Chair	700.65K
DAVIS ROBERT M	Chairman, CEO & President	348.33K
DELUCA RICHARD R.	EVP&Pres, Merck Animal Heallth	111.76K
CLYBURN FRANK	EVP & Pres ? Human Health	97.1K
LITCHFIELD CAROLINE	EVP & CFO	50.91K
LI DEAN Y	Executive VP & President, MRL	46.24K
KARACHUN RITA A	Sr. VP Fince-Global Controller	45.71K
GERBERDING JULIE L.	EVP, Chief Patient Officer	39.16K
OOSTHUIZEN JOHANNES JACOBUS	President, U.S. Market	30.71K
ZACHARY JENNIFER	EVP, General Counsel	29.06K
WILLIAMS DAVID MICHAEL	EVP,Chief Info&Digital Officer	24.12K
MIZELL STEVEN	EVP, Chief HR Officer	23.62K
ROMANELLI JOSEPH	President, Human Health Int?l	19.57K
BAKER DOUGLAS M JR	director	16K
SMART DALTON E. III	SVP Fin. - Global Controller	7.78K
DOWNING CRISTAL N	Chief Comm. & Public Afrs Ofcr	7.09K
THULIN INGE G	director	2.93K
BRUN LESLIE A	director	1.95K
WEEKS WENDELL P	director	100
CHATTOPADHYAY SANAT	Exe V-P & Pres. MMD	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Apr 25, 2025	SMART DALTON E. III	SALE	82.76	4.26K	352.72K	7.78K
Feb 19, 2025	OOSTHUIZEN JOHANNES JACOBUS	SALE	84.09	8.5K	714.74K	30.71K
Feb 13, 2025	WILLIAMS DAVID MICHAEL	SALE	85.34	6K	512.06K	24.12K
Feb 06, 2025	DOWNING CRISTAL N	SALE	88.76	2.36K	209.55K	7.09K
Feb 06, 2025	THULIN INGE G	PURCHASE	88.25	2.83K	250K	2.93K
Feb 05, 2025	BAKER DOUGLAS M JR	PURCHASE	88.50	15K	1.33M	16K
Feb 14, 2024	DAVIS ROBERT M	SALE	125.40	85.02K	10.66M	348.33K
Feb 14, 2024	LITCHFIELD CAROLINE	SALE	125.50	38.29K	4.81M	50.91K
Feb 13, 2024	DAVIS ROBERT M	SALE	126.37	25.32K	3.2M	348.33K
Feb 13, 2024	ROMANELLI JOSEPH	SALE	124.89	1K	124.89K	19.57K
Feb 09, 2024	LI DEAN Y	SALE	125.50	14.7K	1.85M	46.24K
Feb 07, 2024	WILLIAMS DAVID MICHAEL	SALE	127.57	1.45K	185.11K	19.81K
Feb 02, 2024	OOSTHUIZEN JOHANNES JACOBUS	SALE	127.17	18.96K	2.41M	23.33K
Feb 02, 2024	ZACHARY JENNIFER	SALE	126.97	49.5K	6.28M	29.06K
Feb 02, 2024	MIZELL STEVEN	SALE	126.65	50.69K	6.42M	23.62K
Nov 09, 2023	OOSTHUIZEN JOHANNES JACOBUS	SALE	102.38	2.08K	213.06K	18.19K
Nov 08, 2023	DELUCA RICHARD R.	SALE	105.03	43.82K	4.6M	111.76K
Aug 14, 2023	MIZELL STEVEN	SALE	109.01	4.25K	463.29K	22.94K
Aug 03, 2023	MIZELL STEVEN	SALE	105.49	4.5K	474.7K	27.19K
Aug 02, 2023	ROMANELLI JOSEPH	SALE	107.37	59	6.33K	0
May 04, 2023	ZACHARY JENNIFER	SALE	117.59	19.14K	2.25M	35.13K
May 04, 2023	KARACHUN RITA A	SALE	117.53	15.88K	1.87M	45.71K
May 03, 2023	MIZELL STEVEN	SALE	119.01	13.4K	1.59M	31.69K
May 02, 2023	WILLIAMS DAVID MICHAEL	SALE	116.82	7.51K	877.22K	11.06K
May 01, 2023	DELUCA RICHARD R.	SALE	116.03	75.44K	8.75M	154.49K
Apr 28, 2023	DAVIS ROBERT M	SALE	114.93	143.33K	16.47M	271.82K
Apr 28, 2023	DELUCA RICHARD R.	SALE	115.00	66.16K	7.61M	154.49K
Apr 26, 2023	ROMANELLI JOSEPH	PURCHASE	113.68	3	341.04	20.6K
Apr 13, 2023	CHATTOPADHYAY SANAT	SALE	115.07	67.89K	7.81M	0
Mar 24, 2023	ROMANELLI JOSEPH	SALE	104.65	35	3.66K	20.6K
Mar 20, 2023	ROMANELLI JOSEPH	PURCHASE	105.47	136	14.34K	20.63K
Feb 21, 2023	ROMANELLI JOSEPH	PURCHASE	109.20	11	1.2K	20.5K
Feb 15, 2023	ROMANELLI JOSEPH	SALE	108.22	5K	541.1K	20.28K
Feb 13, 2023	MIZELL STEVEN	SALE	109.10	1.82K	198.02K	33.09K
Feb 09, 2023	MIZELL STEVEN	SALE	107.00	5K	535.01K	34.9K
Feb 06, 2023	MIZELL STEVEN	SALE	104.25	4.44K	462.47K	39.9K
Feb 03, 2023	ZACHARY JENNIFER	SALE	103.17	75.44K	7.78M	53.92K
Jan 09, 2023	CHATTOPADHYAY SANAT	SALE	114.46	1.7K	194.81K	29.5K
Dec 19, 2022	ROMANELLI JOSEPH	PURCHASE	109.04	7	763.28	20.48K
Dec 13, 2022	ROMANELLI JOSEPH	PURCHASE	110.96	56	6.21K	20.48K
Dec 06, 2022	ROMANELLI JOSEPH	PURCHASE	109.39	30	3.28K	20.42K
Dec 05, 2022	ROMANELLI JOSEPH	PURCHASE	109.54	107	11.72K	20.39K
Dec 02, 2022	ROMANELLI JOSEPH	PURCHASE	109.67	59	6.47K	59
Nov 10, 2022	MIZELL STEVEN	SALE	101.42	15K	1.52M	32.14K
Nov 09, 2022	DAVIS ROBERT M	SALE	103.59	100	10.36K	247.59K
Nov 09, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	103.21	1.8K	185.26K	16.73K
Nov 08, 2022	MIZELL STEVEN	SALE	101.00	20K	2.02M	32.14K
Nov 07, 2022	FRAZIER KENNETH C	SALE	100.07	84.72K	8.48M	700.65K
Nov 07, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	99.47	45.56K	4.53M	18.53K
Nov 04, 2022	FRAZIER KENNETH C	SALE	99.08	34.81K	3.45M	700.65K
Nov 03, 2022	FRAZIER KENNETH C	SALE	99.09	20.38K	2.02M	700.65K
Nov 02, 2022	FRAZIER KENNETH C	SALE	100.40	94.34K	9.47M	700.65K
Nov 01, 2022	FRAZIER KENNETH C	SALE	101.05	700	70.73K	706.28K
Oct 31, 2022	FRAZIER KENNETH C	SALE	101.03	229.3K	23.17M	706.28K
Oct 28, 2022	CHATTOPADHYAY SANAT	SALE	100.10	100.29K	10.04M	45.61K
Oct 28, 2022	FRAZIER KENNETH C	SALE	100.80	178.36K	17.98M	706.28K
Oct 28, 2022	KARACHUN RITA A	SALE	100.34	32K	3.21M	41.1K
Oct 28, 2022	MIZELL STEVEN	SALE	98.84	8K	790.72K	32.14K
Oct 28, 2022	OOSTHUIZEN JOHANNES JACOBUS	SALE	100.21	3.63K	364.06K	10.88K
Oct 28, 2022	ZACHARY JENNIFER	SALE	99.85	65.49K	6.54M	38.04K
Oct 28, 2022	DELUCA RICHARD R.	SALE	100.26	164.56K	16.5M	136.98K
Nov 09, 2021	FRAZIER KENNETH C	SALE	83.23	29.62K	2.46M	586.8K
Nov 04, 2021	LITCHFIELD CAROLINE	SALE	91.00	18.34K	1.67M	24.11K
Nov 04, 2021	DELUCA RICHARD R.	SALE	90.40	29.78K	2.69M	116.93K
Nov 03, 2021	KARACHUN RITA A	SALE	88.45	25K	2.21M	35.8K
Nov 01, 2021	CLYBURN FRANK	SALE	87.87	39.76K	3.49M	97.1K
Nov 01, 2021	GERBERDING JULIE L.	SALE	87.91	96.27K	8.46M	39.16K
Oct 29, 2021	DELUCA RICHARD R.	SALE	87.56	135.41K	11.86M	116.93K
Oct 29, 2021	CHATTOPADHYAY SANAT	SALE	87.32	24.62K	2.15M	93.15K
May 10, 2021	CLYBURN FRANK	SALE	78.32	19.32K	1.51M	94.35K
Nov 09, 2020	FRAZIER KENNETH C	SALE	81.74	144.87K	11.84M	411.55K
Oct 05, 2020	DAVIS ROBERT M	SALE	81.03	251.27K	20.36M	171.06K
Aug 13, 2020	CHATTOPADHYAY SANAT	SALE	83.01	10.38K	861.68K	67.37K
Aug 05, 2020	CLYBURN FRANK	SALE	81.55	18.88K	1.54M	80.76K
Jul 17, 2020	GERBERDING JULIE L.	SALE	80.01	18.17K	1.45M	26.58K
May 07, 2020	BRUN LESLIE A	SALE	75.46	5K	377.3K	1.95K
May 07, 2020	WEEKS WENDELL P	SALE	76.02	5K	380.1K	100
Jan 13, 2020	GERBERDING JULIE L.	SALE	89.34	102.07K	9.12M	37.04K
Aug 08, 2019	DELUCA RICHARD R.	SALE	85.01	31.7K	2.69M	71.52K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE17.83K2

SALES21.12K4

NET SHARES-3.29K2

SHARES HELD88.62K6

% NET SHARES-103.71%-66.67%

MRK Stock Ownership Breakdown

Merck & Co

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions