How many institutions own REGN 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 REGN shares is 1818, representing 92.01% of the company's common stock.

Who are the major shareholders selling Regeneron Pharmaceuticals, Inc. stock?

JPMORGAN CHASE & CO, in the last quarter, reduced its stake in REGN by -19.85% restricting it's holding to 5.66 million shares of worth nearly $3.59B. BARCLAYS PLC also lessened -16.57% of the REGN shares from its portfolio, reducing its holding to 321.36 thousand shares of worth $203.82M. DIMENSIONAL FUND ADVISORS LP also shunned REGN shares holding by -2.7% last quarter which brought its holding to 571.19 thousand shares worth $362.27M.

Investors who are buying REGN stock?

As per its latest 13F filing, LOOMIS SAYLES & CO L P increased its stake in REGN by 3.85% in the last quarter. The institutional holder raised its holding to 1.64 million shares having worth more than $1.04B. AMERIPRISE FINANCIAL INC also added 4.16% more shares of REGN to its portfolio, raising its holding to 340.15 thousand shares of worth $215.57M. SQUAREPOINT OPS LLC also increased its REGN shares holding by 11.56% which brought its holding to 284 thousand shares worth $180.12M.

REGN's major insiders: who are they?

The insider with the most stakes in REGN is YANCOPOULOS GEORGE , Bd. Co-Chair, President & CSO at the company. Additionally, REGN stock is highly held by EVP Research and Development STAHL NEIL and EVP Research MURPHY ANDREW J among others.

Did an insider recently sell REGN stock?

Company executives, directors, and other insiders own 1.89% percent of Regeneron Pharmaceuticals, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which REGN insiders have sold stock, totaling 0 shares. Insiders that have sold shares include MCCOURT MARION, RYAN ARTHUR F, and FENIMORE CHRISTOPHER R..

Which insider recently purchased REGN stock?

There have been 0 transaction(s) during the past 6-months in which Regeneron Pharmaceuticals, Inc. insiders have bought stock, totalling 0 shares

How much of REGN does insiders own?

Around 0 Regeneron Pharmaceuticals, Inc. shares are held by insiders, which represents about 1.89% of REGN stock.

Who is the insider with the largest stake?

REGN Bd. Co-Chair, President & CSO, YANCOPOULOS GEORGE holds the largest portfolio of the company's shares. REGN shares owned by YANCOPOULOS total nearly 786.38 thousand.

Which institution holds the most shares in REGN?

LOOMIS SAYLES & CO L P is the largest institutional owner in REGN which holds 1.64 million shares worth $1.04B or 1.53% of the total REGN shares outstanding followed by JPMORGAN CHASE & CO with ownership of 5.66 million shares representing 5.3% of the REGN ownership. BARCLAYS PLC is the third largest stakeholder with 321.36 thousand shares or 0.3% of the ownership worth more than $203.82M.

Is Regeneron Pharmaceuticals, 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 REGN is concerned, it is a stock which is optionable.

Is there a short position on REGN's shares?

Number of REGN shares short is 2.79M. 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 REGN shares are there?

As of today, 107.51M shares of REGN are outstanding.

Is there many float in REGN 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, REGN has 103.00M shares in float.

REGN 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 REGN is 2.8.

Regeneron Pharmaceuticals (REGN) 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 Shares2.55

Short Percent Of Float2.69

Shares Outstanding107.51M

Shares Float103.00M

Shares Short2.79M

Short Ratio2.8

2.69%

Short % of Float

2.55%

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

1.89% Percentage of Shares held by All Insiders

92.01% Percentage of Shares held by All Institutions

93.78% Percentage of Float held by Institutions

1818

Number of Institutions Holding Shares

Institutional Ownership

About 92.01% of REGN shares are held by financial institutions. LOOMIS SAYLES & CO L P is the top corporate investor, holding 1.64M shares valued at $1.04B. A 1.53% stake in Regeneron Pharmaceuticals, Inc. is owned by the company. JPMORGAN CHASE & CO owns 5.66M shares valued at $3.59B, which translates its holding of 5.3% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	LOOMIS SAYLES & CO L P	1.53%	1.64M	1.04B	60.63K	+3.85%
Mar 31, 2025	JPMORGAN CHASE & CO	5.3%	5.66M	3.59B	-1.4M	-19.85%
Mar 31, 2025	BARCLAYS PLC	0.3%	321.36K	203.82M	-63.82K	-16.57%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.32%	340.15K	215.57M	13.59K	+4.16%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.54%	571.19K	362.27M	-15.84K	-2.70%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.26%	281.6K	178.6M	-78.8K	-21.86%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.27%	284K	180.12M	29.42K	+11.56%
Mar 31, 2025	UBS GROUP AG	0.27%	287.16K	182.13M	-95.67K	-24.99%
Mar 31, 2025	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.28%	303.67K	192.6M	1.05K	+0.35%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.52%	553.8K	351.24M	553.8K	+100.00%
Mar 31, 2025	BLACKROCK, INC.	8.37%	8.93M	5.66B	194.26K	+2.22%
Mar 31, 2025	VANGUARD GROUP INC	8.82%	9.41M	5.97B	121.55K	+1.31%
Mar 31, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.37%	398.24K	252.57M	41.83K	+11.74%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.57%	609.61K	386.63M	-13.55K	-2.17%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.65%	698.25K	442.85M	8.99K	+1.30%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.67%	710.34K	450.52M	14.54K	+2.09%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.7%	746.61K	473.52M	207.02K	+38.37%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.7%	747.03K	473.79M	-30.44K	-3.92%
Mar 31, 2025	INVESCO LTD.	0.8%	850.75K	539.57M	-13.5K	-1.56%
Mar 31, 2025	PICTET ASSET MANAGEMENT HOLDING SA	0.28%	300.96K	191.2M	86.86K	+40.57%
Mar 31, 2025	TD ASSET MANAGEMENT INC	0.33%	351.89K	223.18M	-7.5K	-2.09%
Mar 31, 2025	TWO SIGMA INVESTMENTS, LP	0.35%	372.07K	235.98M	337.53K	+977.12%
Mar 31, 2025	HSBC HOLDINGS PLC	0.37%	389.6K	246.61M	-44.21K	-10.19%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.37%	389.8K	247.22M	17.9K	+4.81%
Mar 31, 2025	PACER ADVISORS, INC.	0.38%	407.37K	258.37M	390.37K	+2,296.86%
Mar 31, 2025	CAPITAL WORLD INVESTORS	1.82%	1.94M	1.23B	-840.35K	-30.24%
Mar 31, 2025	DEUTSCHE BANK AG\	0.51%	543.09K	344.45M	3.82K	+0.71%
Mar 31, 2025	SWISS NATIONAL BANK	0.29%	304.8K	193.31M	-1.5K	-0.49%
Mar 31, 2025	D. E. SHAW & CO., INC.	0.54%	578.89K	367.15M	78.66K	+15.72%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	2.04%	2.18M	1.38B	89.58K	+4.30%
Mar 31, 2025	NEUBERGER BERMAN GROUP LLC	0.41%	436.51K	276.85M	-26.02K	-5.63%
Mar 31, 2025	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.44%	473.45K	300.28M	109.95K	+30.25%
Mar 31, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0.45%	481.39K	305.31M	303.79K	+171.05%
Mar 31, 2025	BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.	0.5%	532.21K	337.55M	20.66K	+4.04%
Mar 31, 2025		0.51%	542.02K	343.76M	542.02K	+100.00%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.88%	940.34K	596.39M	-41.73K	-4.25%
Mar 31, 2025	FRANKLIN RESOURCES INC	2.13%	2.28M	1.44B	231.47K	+11.32%
Mar 31, 2025	DODGE & COX	2.18%	2.32M	1.47B	2.77K	+0.12%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.31%	2.47M	1.56B	41.96K	+1.73%
Mar 31, 2025	CAPITAL INTERNATIONAL INVESTORS	3.74%	3.99M	2.53B	-747.8K	-15.79%
Mar 31, 2025	STATE STREET CORP	4.49%	4.79M	3.04B	-42.58K	-0.88%
Mar 31, 2025	FMR LLC	7.12%	7.6M	4.82B	-601K	-7.33%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.66%	702.89K	445.8M	261.24K	+59.15%
Mar 31, 2025	AMERICAN CENTURY COMPANIES INC	0.68%	722.47K	458.21M	14.92K	+2.11%
Mar 31, 2025	NORTHERN TRUST CORP	0.94%	1M	635.34M	-53.08K	-5.03%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.98%	1.04M	662.29M	104.04K	+11.07%
Mar 31, 2025	MORGAN STANLEY	1.17%	1.25M	793.39M	-179.42K	-12.54%
Mar 31, 2025	AMUNDI	1.5%	1.6M	979.79M	52.17K	+3.36%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	1.02%	1.09M	1.05B	-9.12K	-0.83%
Mar 31, 2024	CAPITAL WORLD INVESTORS	4.32%	4.65M	4.48B	-475.63K	-9.27%
Mar 31, 2024	CAPITAL INTERNATIONAL INVESTORS	2.9%	3.13M	3.01B	213.04K	+7.31%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.23%	2.38M	2.28B	22.37K	+0.95%
Mar 31, 2024	FRANKLIN RESOURCES INC	1.57%	1.69M	1.63B	1.21M	+249.98%
Mar 31, 2024	MORGAN STANLEY	1.26%	1.34M	1.29B	199.98K	+17.55%
Mar 31, 2024	LOOMIS SAYLES & CO L P	1.12%	1.21M	1.16B	-11.87K	-0.97%
Mar 31, 2024	HSBC HOLDINGS PLC	0.35%	377.43K	363.17M	52.41K	+16.13%
Mar 31, 2024	GLOBAL ASSETS ADVISORY, LLC	0.33%	352.83K	364K	352.83K	+100.00%
Mar 31, 2024	UBS GROUP AG	0.24%	257.48K	247.82M	122.54K	+90.82%
Mar 31, 2024	JPMORGAN CHASE & CO	7.24%	7.73M	7.44B	500.41K	+6.92%
Mar 31, 2024	DODGE & COX	2.19%	2.36M	2.27B	-7.82K	-0.33%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.6%	638.22K	614.28M	17.61K	+2.84%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.5%	538.75K	518.54M	90.28K	+20.13%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.45%	480.52K	462.5M	238.17K	+98.28%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.42%	451.68K	434.74M	-14.21K	-3.05%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.38%	407.06K	391.79M	-5.45K	-1.32%
Mar 31, 2024	PICTET ASSET MANAGEMENT HOLDING SA	0.38%	404.24K	389.57M	-30.16K	-6.94%
Mar 31, 2024	BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.	0.37%	404.01K	388.85M	18.79K	+4.88%
Mar 31, 2024	CAPITAL RESEARCH GLOBAL INVESTORS	0.37%	394.18K	379.4M	-12.22K	-3.01%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.36%	380.92K	366.63M	9.14K	+2.46%
Mar 31, 2024	BARCLAYS PLC	0.32%	343.62K	330.73M	45.38K	+15.22%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.32%	338.3K	325.61M	-1.36K	-0.40%
Mar 31, 2024	FIRST TRUST ADVISORS LP	0.32%	336.47K	323.85M	-29.48K	-8.06%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.31%	332.55K	319.96M	-3.31K	-0.98%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	320.8K	308.77M	-13K	-3.89%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.3%	319.05K	307.08M	-301	-0.09%
Mar 31, 2024	DEUTSCHE BANK AG\	0.29%	312.08K	300.37M	-13.32K	-4.09%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.25%	269.51K	259.4M	167K	+162.90%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.23%	246.5K	237.25M	-216K	-46.70%
Mar 31, 2024	FMR LLC	10.12%	10.79M	10.39B	476.66K	+4.62%
Mar 31, 2024	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.21%	228K	219.45M	-32.17K	-12.36%
Mar 31, 2024	DEKABANK DEUTSCHE GIROZENTRALE	0.21%	221.18K	212.63M	-3.01K	-1.34%
Mar 31, 2024	ABRDN PLC	0.21%	220.25K	211.99M	349	+0.16%
Mar 31, 2024	CANDRIAM S.C.A.	0.2%	217.77K	209.6M	-23.85K	-9.87%
Mar 31, 2024	ASSENAGON ASSET MANAGEMENT S.A.	0.18%	189.69K	182.57M	-26.84K	-12.39%
Mar 31, 2024	NATIONAL PENSION SERVICE	0.18%	187.75K	180.71M	1.44K	+0.77%
Mar 31, 2024	RHUMBLINE ADVISERS	0.17%	183.57K	176.68M	1.97K	+1.08%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.16%	168.41K	162.09M	37.69K	+28.83%
Mar 31, 2024	PANAGORA ASSET MANAGEMENT INC	0.16%	167.96K	161.66M	13K	+8.39%
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.16%	165.36K	159.16M	-77.7K	-31.97%
Mar 31, 2024	CREDIT SUISSE AG/	0.15%	165.32K	159.12M	-10K	-5.71%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.15%	155.85K	150M	-15.52K	-9.05%
Mar 31, 2024	CITIGROUP INC	0.14%	154.19K	148.41M	37.37K	+31.99%
Mar 31, 2024	VANGUARD GROUP INC	8.37%	8.93M	8.6B	91.96K	+1.04%
Mar 31, 2024	BLACKROCK INC.	8.03%	8.57M	8.25B	-61.05K	-0.71%
Mar 31, 2024	STATE STREET CORP	4.54%	4.84M	4.66B	-59.7K	-1.22%
Mar 31, 2024	AMUNDI	0.98%	1.06M	944.63M	142.33K	+15.57%
Mar 31, 2024	NORTHERN TRUST CORP	0.93%	991.47K	954.28M	-54.94K	-5.25%
Mar 31, 2024	INVESCO LTD.	0.92%	986.07K	949.08M	221.06K	+28.90%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.91%	977.94K	941.26M	-7.6K	-0.77%
Mar 31, 2024	CHEVY CHASE TRUST HOLDINGS, LLC	0.22%	242.38K	233.29M	-7.2K	-2.88%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.22%	239.82K	230.83M	24.29K	+11.27%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.22%	230.47K	221.83M	-133.59K	-36.69%
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.21%	229.05K	221.54M	-56.11K	-19.68%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.85%	902.61K	868.76M	184.56K	+25.70%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.83%	886.54K	853.29M	-62.03K	-6.54%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.83%	884.07K	850.91M	5.66K	+0.64%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.82%	881.91K	848.83M	-49.42K	-5.31%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.69%	736.53K	708.91M	-7.68K	-1.03%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.64%	684.56K	658.89M	18.18K	+2.73%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.55%	588.95K	566.86M	-4.57K	-0.77%
Dec 31, 2023	LOOMIS SAYLES & CO L P	1.14%	1.22M	1.07B	-13.81K	-1.12%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.21%	2.35M	2.06B	34.23K	+1.48%
Dec 31, 2023	DODGE & COX	2.22%	2.37M	2.08B	-5.32K	-0.22%
Dec 31, 2023	CAPITAL INTERNATIONAL INVESTORS	2.73%	2.92M	2.56B	-58.37K	-1.96%
Dec 31, 2023	VANGUARD GROUP INC	8.28%	8.84M	7.76B	39.78K	+0.45%
Dec 31, 2023	FMR LLC	9.67%	10.32M	9.06B	476.52K	+4.84%
Dec 31, 2023	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.24%	260.17K	228.5M	112.1K	+75.70%
Dec 31, 2023	ROYAL BANK OF CANADA	0.25%	261.79K	229.93M	101.86K	+63.69%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.26%	280.28K	246.17M	243.27K	+657.33%
Dec 31, 2023	BANK OF MONTREAL /CAN/	0.27%	285.17K	253.35M	104.05K	+57.45%
Dec 31, 2023	CITADEL ADVISORS LLC	0.27%	284.59K	249.95M	220.14K	+341.53%
Dec 31, 2023	BARCLAYS PLC	0.28%	298.24K	261.94M	43.37K	+17.02%
Dec 31, 2023	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.3%	319.35K	280.48M	-8.97K	-2.73%
Dec 31, 2023	HSBC HOLDINGS PLC	0.3%	325.01K	285.55M	56.01K	+20.82%
Dec 31, 2023	DEUTSCHE BANK AG\	0.3%	325.4K	285.79M	53.76K	+19.79%
Dec 31, 2023	SWISS NATIONAL BANK	0.31%	333.8K	293.17M	-13.3K	-3.83%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.31%	335.85K	294.98M	-29.82K	-8.16%
Dec 31, 2023	STATE STREET CORP	4.59%	4.9M	4.3B	72.15K	+1.49%
Dec 31, 2023	CAPITAL WORLD INVESTORS	4.81%	5.13M	4.51B	23.15K	+0.45%
Dec 31, 2023	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.32%	339.66K	298.32M	-26.31K	-7.19%
Dec 31, 2023	HOLOCENE ADVISORS, LP	0.34%	360.48K	316.61M	182.73K	+102.80%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.34%	364.06K	319.75M	-6.36K	-1.72%
Dec 31, 2023	FIRST TRUST ADVISORS LP	0.34%	365.95K	321.41M	195.9K	+115.20%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.35%	371.79K	326.54M	-21.39K	-5.44%
Dec 31, 2023	BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.	0.36%	385.22K	338.33M	202.74K	+111.10%
Dec 31, 2023	CAPITAL RESEARCH GLOBAL INVESTORS	0.38%	406.4K	356.94M	-6.99K	-1.69%
Dec 31, 2023	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.39%	412.51K	362.3M	-7.74K	-1.84%
Dec 31, 2023		0.41%	434.4K	381.53M	21.36K	+5.17%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.42%	448.47K	393.89M	52.71K	+13.32%
Dec 31, 2023	NEUBERGER BERMAN GROUP LLC	0.44%	465.89K	409.22M	-241.92K	-34.18%
Dec 31, 2023	FRANKLIN RESOURCES INC	0.45%	484.11K	425.19M	903	+0.19%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.56%	593.52K	521.3M	-25.74K	-4.16%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.58%	620.62K	545.08M	22.56K	+3.77%
Dec 31, 2023	JPMORGAN CHASE & CO	6.77%	7.23M	6.35B	-162.39K	-2.20%
Dec 31, 2023	BLACKROCK INC.	8.09%	8.63M	7.58B	-245.6K	-2.77%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.62%	666.38K	585.28M	-29.01K	-4.17%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	0.67%	718.05K	630.66M	-1.5M	-67.62%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.7%	744.22K	653.64M	51.96K	+7.51%
Dec 31, 2023	INVESCO LTD.	0.72%	765.01K	671.9M	21.66K	+2.91%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.82%	878.41K	771.5M	41.55K	+4.97%
Dec 31, 2023	AMUNDI	0.86%	914.13K	825.13M	228.84K	+33.39%
Dec 31, 2023	AMERICAN CENTURY COMPANIES INC	0.87%	931.33K	817.98M	14.61K	+1.59%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.89%	948.58K	833.12M	-18.84K	-1.95%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.92%	985.54K	865.59M	165.33K	+20.16%
Dec 31, 2023	NORTHERN TRUST CORP	0.98%	1.05M	919.05M	-20.8K	-1.95%
Dec 31, 2023	NORGES BANK	1%	1.06M	932.57M	1.06M	+100.00%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	1.03%	1.1M	967.95M	1.1M	+100.00%
Dec 31, 2023	MORGAN STANLEY	1.07%	1.14M	1B	168.56K	+17.36%
Dec 31, 2023	PUTNAM INVESTMENTS LLC	1.13%	1.21M	1.06B	24.33K	+2.05%

Insiders

Among the REGN insiders holding of 1.89% of the stake in company, YANCOPOULOS GEORGE, Bd. Co-Chair, President & CSO, holds the largest shares of 786.38K. STAHL NEIL, EVP Research and Development, is the second largest REGN insider with ownership of 51K shares. MURPHY ANDREW J, EVP Research, stands third with possession of 48.31K shares of that stake.

Insiders	Designation	Shares Held
YANCOPOULOS GEORGE	Bd. Co-Chair, President & CSO	786.38K
STAHL NEIL	EVP Research and Development	51K
MURPHY ANDREW J	EVP Research	48.31K
LAROSA JOSEPH J	EVP General Counsel and Secret	37.94K
SING GEORGE L	director	26.35K
VAN PLEW DANIEL P	EVP & General Mgr, Industrial	20.38K
RYAN ARTHUR F	director	17.58K
MCCOURT MARION	EVP Commercial	12.93K
GOLDSTEIN JOSEPH L	director	6.38K
PITOFSKY JASON	VP Controller	4.2K
POON CHRISTINE A	director	2.17K
BASSLER BONNIE L	director	1.38K
BROWN MICHAEL S	director	1.38K
SCHLEIFER LEONARD S	Bd. Co-Chair, President & CEO	0
FENIMORE CHRISTOPHER R.	SVP Finance & CFO	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Nov 01, 2024	MCCOURT MARION	SALE	844.61	1K	844.61K	12.93K
Oct 01, 2024	MCCOURT MARION	SALE	1054.06	1K	1.05M	12.93K
Oct 01, 2024	RYAN ARTHUR F	SALE	1059.28	2	2.12K	17.58K
Sep 03, 2024	MCCOURT MARION	SALE	1178.73	1K	1.18M	12.93K
Sep 03, 2024	RYAN ARTHUR F	SALE	1191.02	4	4.76K	17.68K
Aug 28, 2024	FENIMORE CHRISTOPHER R.	SALE	1206.30	200	241.26K	0
Aug 15, 2024	BASSLER BONNIE L	SALE	1170.00	756	884.52K	1.38K
Aug 15, 2024	POON CHRISTINE A	SALE	1161.32	100	116.13K	2.17K
Aug 14, 2024	MURPHY ANDREW J	SALE	1159.69	331	383.86K	48.31K
Aug 08, 2024	STAHL NEIL	SALE	1086.15	300	325.85K	51K
Aug 07, 2024	PITOFSKY JASON	SALE	1070.00	487	521.09K	4.2K
Aug 02, 2024	BASSLER BONNIE L	SALE	1115.00	756	842.94K	1.38K
Aug 01, 2024	RYAN ARTHUR F	SALE	1099.65	3	3.3K	17.78K
Aug 01, 2024	MCCOURT MARION	SALE	1060.86	1.14K	1.21M	12.93K
Jul 11, 2024	LAROSA JOSEPH J	SALE	1088.95	1.87K	2.03M	37.94K
Jul 01, 2024	MCCOURT MARION	SALE	1047.11	1.14K	1.19M	12.93K
Jul 01, 2024	RYAN ARTHUR F	SALE	1068.09	2	2.14K	17.88K
Jun 24, 2024	BASSLER BONNIE L	SALE	1062.00	756	802.87K	1.38K
Jun 14, 2024	BROWN MICHAEL S	SALE	1040.00	1.54K	1.6M	1.38K
Jun 12, 2024	SCHLEIFER LEONARD S	SALE	1025.27	1K	1.03M	0
Jun 11, 2024	SCHLEIFER LEONARD S	SALE	1016.04	1.74K	1.77M	55.13K
Jun 06, 2024	SCHLEIFER LEONARD S	SALE	1015.02	787	798.82K	64.2K
Jun 05, 2024	BASSLER BONNIE L	SALE	1011.00	827	836.1K	1.38K
Jun 03, 2024	RYAN ARTHUR F	SALE	1000.04	5	5K	17.98K
Jun 03, 2024	MCCOURT MARION	SALE	980.16	1.14K	1.12M	12.93K
May 28, 2024	BROWN MICHAEL S	SALE	974.86	1.17K	1.14M	1.38K
May 21, 2024	LAROSA JOSEPH J	SALE	994.90	1.87K	1.86M	34.68K
May 17, 2024	SCHLEIFER LEONARD S	SALE	980.07	143	140.15K	466.88K
May 16, 2024	YANCOPOULOS GEORGE	SALE	978.18	379	370.73K	786.38K
May 15, 2024	YANCOPOULOS GEORGE	SALE	989.14	120	118.7K	836.38K
May 15, 2024	SCHLEIFER LEONARD S	SALE	988.76	299	295.64K	397.26K
May 14, 2024	SCHLEIFER LEONARD S	SALE	980.10	2.3K	2.26M	408.2K
May 01, 2024	RYAN ARTHUR F	SALE	910.47	6	5.46K	18.09K
May 01, 2024	MCCOURT MARION	SALE	889.41	250	222.35K	12.93K
Apr 01, 2024	MCCOURT MARION	SALE	964.73	250	241.18K	13.18K
Apr 01, 2024	RYAN ARTHUR F	SALE	965.35	13	12.55K	18.18K
Mar 14, 2024	MURPHY ANDREW J	SALE	968.20	196	189.77K	48.31K
Mar 01, 2024	MCCOURT MARION	SALE	967.50	358	346.37K	13.43K
Mar 01, 2024	RYAN ARTHUR F	SALE	988.30	1	988.3	18.28K
Feb 26, 2024	SING GEORGE L	SALE	995.00	500	497.5K	26.35K
Feb 26, 2024	BASSLER BONNIE L	SALE	979.25	854	836.28K	1.38K
Feb 26, 2024	LAROSA JOSEPH J	SALE	990.00	1K	990K	36.54K
Feb 23, 2024	SING GEORGE L	SALE	985.00	500	492.5K	26.35K
Feb 22, 2024	SING GEORGE L	SALE	960.00	1K	960K	26.35K
Feb 22, 2024	LAROSA JOSEPH J	SALE	967.65	1K	967.65K	37.54K
Feb 14, 2024	VAN PLEW DANIEL P	SALE	951.77	200	190.35K	20.38K
Feb 09, 2024	FENIMORE CHRISTOPHER R.	SALE	955.00	600	573K	14.37K
Feb 09, 2024	SING GEORGE L	SALE	955.00	500	477.5K	26.35K
Feb 08, 2024	SING GEORGE L	SALE	945.00	500	472.5K	26.35K
Feb 07, 2024	STAHL NEIL	SALE	947.34	100	94.73K	59.96K
Feb 07, 2024	LAROSA JOSEPH J	SALE	950.00	1K	950K	38.54K
Feb 05, 2024	MCCOURT MARION	SALE	934.71	1K	934.71K	13.79K
Feb 01, 2024	MCCOURT MARION	SALE	945.61	273	258.15K	14.79K
Feb 01, 2024	RYAN ARTHUR F	SALE	939.53	1	939.53	18.48K
Jan 30, 2024	BASSLER BONNIE L	SALE	959.00	827	793.09K	1.38K
Jan 23, 2024	GOLDSTEIN JOSEPH L	SALE	950.00	2.71K	2.57M	6.38K
Jan 02, 2024	YANCOPOULOS GEORGE	SALE	900.00	16.85K	15.16M	180K

Frequently Asked Questions