How many institutions own ATMU 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 ATMU shares is 385, representing 102.04% of the company's common stock.

Who are the major shareholders selling Atmus Filtration Technologies Inc. stock?

MARSHALL WACE, LLP, in the last quarter, reduced its stake in ATMU by -29.45% restricting it's holding to 477.53 thousand shares of worth nearly $21.53M. VICTORY CAPITAL MANAGEMENT INC also lessened -3.22% of the ATMU shares from its portfolio, reducing its holding to 486.81 thousand shares of worth $21.95M. MEDINA VALUE PARTNERS, LLC also shunned ATMU shares holding by -20.99% last quarter which brought its holding to 504.82 thousand shares worth $22.76M.

Investors who are buying ATMU stock?

As per its latest 13F filing, ALGERT GLOBAL LLC increased its stake in ATMU by 17.22% in the last quarter. The institutional holder raised its holding to 468.06 thousand shares having worth more than $21.11M. TEACHER RETIREMENT SYSTEM OF TEXAS also added 48.48% more shares of ATMU to its portfolio, raising its holding to 559.12 thousand shares of worth $25.21M. JANUS HENDERSON GROUP PLC also increased its ATMU shares holding by 12.37% which brought its holding to 892.9 thousand shares worth $40.27M.

ATMU's major insiders: who are they?

The insider with the most stakes in ATMU is CUMMINS INC , 10 percent owner at the company. Additionally, ATMU stock is highly held by Chief Executive Officer Disher Stephanie and Chief Executive Officer Disher Steph among others.

Did an insider recently sell ATMU stock?

Company executives, directors, and other insiders own 0.29% percent of Atmus Filtration Technologies Inc.'s stock. Within the last six months, there have been 1 transaction(s) in which ATMU insiders have sold stock, totaling 20 shares. Insiders that have sold shares include DONOSO DIEGO and CUMMINS INC.

Which insider recently purchased ATMU stock?

There have been 2 transaction(s) during the past 6-months in which Atmus Filtration Technologies Inc. insiders have bought stock, totalling 40 shares

How much of ATMU does insiders own?

Around 27.2K Atmus Filtration Technologies Inc. shares are held by insiders, which represents about 0.29% of ATMU stock.

Who is the insider with the largest stake?

ATMU 10 percent owner, CUMMINS INC holds the largest portfolio of the company's shares. ATMU shares owned by CUMMINS total nearly 67.05 million.

Which institution holds the most shares in ATMU?

ALGERT GLOBAL LLC is the largest institutional owner in ATMU which holds 468.06 thousand shares worth $21.11M or 0.57% of the total ATMU shares outstanding followed by MARSHALL WACE, LLP with ownership of 477.53 thousand shares representing 0.58% of the ATMU ownership. VICTORY CAPITAL MANAGEMENT INC is the third largest stakeholder with 486.81 thousand shares or 0.59% of the ownership worth more than $21.95M.

Is Atmus Filtration Technologies 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 ATMU is concerned, it is a stock which is optionable.

Is there a short position on ATMU's shares?

Number of ATMU shares short is 1.87M. 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 ATMU shares are there?

As of today, 81.51M shares of ATMU are outstanding.

Is there many float in ATMU 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, ATMU has 74.49M shares in float.

ATMU 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 ATMU is 2.26.

Atmus Filtration Technologies (ATMU) 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 Shares2.3

Short Percent Of Float2.56

Shares Outstanding81.51M

Shares Float74.49M

Shares Short1.87M

Short Ratio2.26

2.56%

Short % of Float

2.3%

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

0.29% Percentage of Shares held by All Insiders

102.04% Percentage of Shares held by All Institutions

102.34% Percentage of Float held by Institutions

385

Number of Institutions Holding Shares

Institutional Ownership

About 102.04% of ATMU shares are held by financial institutions. ALGERT GLOBAL LLC is the top corporate investor, holding 468.06K shares valued at $21.11M. A 0.57% stake in Atmus Filtration Technologies Inc. is owned by the company. MARSHALL WACE, LLP owns 477.53K shares valued at $21.53M, which translates its holding of 0.58% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	ALGERT GLOBAL LLC	0.57%	468.06K	21.11M	68.75K	+17.22%
Sep 30, 2025	MARSHALL WACE, LLP	0.58%	477.53K	21.53M	-199.34K	-29.45%
Sep 30, 2025	VICTORY CAPITAL MANAGEMENT INC	0.59%	486.81K	21.95M	-16.22K	-3.22%
Sep 30, 2025	MEDINA VALUE PARTNERS, LLC	0.61%	504.82K	22.76M	-134.13K	-20.99%
Sep 30, 2025	JPMORGAN CHASE & CO	0.61%	506.81K	22.85M	-27.53K	-5.15%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.65%	533.14K	24.04M	-46.93K	-8.09%
Sep 30, 2025	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0.65%	533.19K	24.04M	-79.87K	-13.03%
Sep 30, 2025	TEACHER RETIREMENT SYSTEM OF TEXAS	0.68%	559.12K	25.21M	182.57K	+48.48%
Sep 30, 2025	BOSTON PARTNERS	0.71%	586.4K	26.44M	-116.67K	-16.59%
Sep 30, 2025	ROYCE & ASSOCIATES LP	0.79%	650.07K	29.31M	-22.95K	-3.41%
Sep 30, 2025	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0.91%	751.76K	33.9M	-45.53K	-5.71%
Sep 30, 2025	NORTHERN TRUST CORP	0.92%	756.88K	34.13M	-8.09K	-1.06%
Sep 30, 2025	JANUS HENDERSON GROUP PLC	1.08%	892.9K	40.27M	98.28K	+12.37%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.1%	908.25K	40.95M	42.83K	+4.95%
Sep 30, 2025	RAYMOND JAMES FINANCIAL INC	1.15%	951.35K	42.9M	1.4K	+0.15%
Sep 30, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.26%	1.04M	46.83M	-435.74K	-29.55%
Sep 30, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.33%	1.09M	49.3M	-125.32K	-10.28%
Sep 30, 2025	NUVEEN, LLC	1.35%	1.12M	50.28M	250.9K	+29.04%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	1.44%	1.19M	53.56M	63.62K	+5.66%
Sep 30, 2025	PARSIFAL CAPITAL MANAGEMENT, LP	1.51%	1.24M	56.05M	-496.62K	-28.55%
Sep 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	1.52%	1.25M	55.61M	35.41K	+2.92%
Sep 30, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.61%	1.32M	59.74M	-297.26K	-18.32%
Sep 30, 2025	MANGROVE PARTNERS	1.61%	1.33M	59.99M	230.92K	+21.00%
Sep 30, 2025	FIRST TRUST ADVISORS LP	1.85%	1.53M	68.9M	503.38K	+49.13%
Sep 30, 2025	VANGUARD GROUP INC	9.67%	7.97M	359.57M	-170.69K	-2.10%
Sep 30, 2025	WESTWOOD HOLDINGS GROUP INC	1.99%	1.64M	73.88M	1.3M	+388.63%
Sep 30, 2025	CHANNING CAPITAL MANAGEMENT, LLC	2.08%	1.72M	77.33M	1.66M	+3,192.79%
Sep 30, 2025	D. E. SHAW & CO., INC.	2.14%	1.77M	79.74M	-427.37K	-19.46%
Sep 30, 2025	STATE STREET CORP	2.34%	1.93M	87.19M	-19.99K	-1.02%
Sep 30, 2025	WELLINGTON MANAGEMENT GROUP LLP	2.69%	2.22M	100.05M	-414.36K	-15.74%
Sep 30, 2025	INVESCO LTD.	2.7%	2.22M	100.27M	34.15K	+1.56%
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.44%	362.99K	16.37M	-1.02K	-0.28%
Sep 30, 2025	LOOMIS SAYLES & CO L P	0.44%	365.82K	16.49M	15.77K	+4.51%
Sep 30, 2025	MORGAN STANLEY	2.81%	2.32M	104.47M	-147.5K	-5.99%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.88%	2.37M	107.07M	8.95K	+0.38%
Sep 30, 2025	DEUTSCHE BANK AG\	0.3%	246.12K	11.1M	189.88K	+337.60%
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.28%	232.36K	10.48M	-7.93K	-3.30%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.26%	214.1K	9.65M	-224.8K	-51.22%
Sep 30, 2025	THRIVENT FINANCIAL FOR LUTHERANS	0.23%	190.08K	8.57M	-220.07K	-53.66%
Sep 30, 2025	SWISS NATIONAL BANK	0.19%	160.25K	7.23M	2.4K	+1.52%
Sep 30, 2025	YOST CAPITAL MANAGEMENT, LP	0.18%	149K	6.72M	-36K	-19.46%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.16%	134.63K	6.07M	7.43K	+5.84%
Sep 30, 2025	RHUMBLINE ADVISERS	0.15%	123.97K	5.59M	-3.55K	-2.78%
Sep 30, 2025	BARCLAYS PLC	0.14%	119.04K	5.37M	-45.37K	-27.59%
Sep 30, 2025	UBS GROUP AG	0.13%	109.23K	4.93M	9.84K	+9.90%
Sep 30, 2025	PRENTISS SMITH & CO INC	0.13%	107.17K	4.83M	-650	-0.60%
Sep 30, 2025	CBOE VEST FINANCIAL, LLC	0.12%	98.32K	4.43M	41.91K	+74.29%
Sep 30, 2025	MOODY ALDRICH PARTNERS LLC	0.12%	97.64K	4.4M	-19.83K	-16.88%
Sep 30, 2025	LEGAL & GENERAL GROUP PLC	0.11%	93.99K	4.24M	-1.04K	-1.10%
Sep 30, 2025	VOYA INVESTMENT MANAGEMENT LLC	0.11%	93.56K	4.22M	-946	-1.00%
Sep 30, 2025	UNIVERSAL- BETEILIGUNGS- UND SERVICEGESELLSCHAFT MBH	0.11%	90.1K	4.06M	-31.24K	-25.74%
Sep 30, 2025	Y-INTERCEPT (HONG KONG) LTD	0.11%	87.05K	3.93M	28.72K	+49.24%
Sep 30, 2025	SEI INVESTMENTS CO	0.09%	73.79K	3.33M	5.18K	+7.54%
Sep 30, 2025	AMERICAN CENTURY COMPANIES INC	0.08%	66.59K	3M	-484.99K	-87.93%
Sep 30, 2025	CHARTER OAK ADVISORS LP	0.08%	66.46K	3M	0	0
Sep 30, 2025	FRANKLIN RESOURCES INC	0.08%	64.04K	2.89M	34.47K	+116.54%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	3.68%	3.04M	136.92M	70.54K	+2.38%
Sep 30, 2025	FMR LLC	4.25%	3.5M	157.93M	-479.74K	-12.05%
Sep 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	4.95%	4.08M	184.03M	1.97M	+93.59%
Sep 30, 2025	EMINENCE CAPITAL, LP	7.91%	6.52M	294.1M	73.41K	+1.14%
Sep 30, 2025	BLACKROCK, INC.	8.07%	6.66M	300.34M	-77.95K	-1.16%
Sep 30, 2025	FRONTIER CAPITAL MANAGEMENT CO LLC	0.45%	368.63K	16.62M	29.32K	+8.64%
Sep 30, 2025	ANCORA ADVISORS, LLC	0.46%	375.69K	16.94M	1.64K	+0.44%
Sep 30, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0.46%	382.25K	17.24M	12.77K	+3.46%
Sep 30, 2025	ABRDN PLC	0.51%	424.22K	19.19M	-181.55K	-29.97%
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.41%	338.63K	15.27M	20.53K	+6.45%
Sep 30, 2025	AMERIPRISE FINANCIAL INC	0.43%	350.81K	15.82M	-16.54K	-4.50%
Sep 30, 2025	KENNEDY CAPITAL MANAGEMENT LLC	0.43%	351.61K	15.85M	167.1K	+90.56%
Sep 30, 2025	PORT CAPITAL LLC	0.52%	430.46K	19.41M	430.46K	+100.00%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.52%	432.39K	19.5M	406.79K	+1,589.09%
Sep 30, 2025	GW&K INVESTMENT MANAGEMENT, LLC	0.54%	448.41K	20.22M	-14.36K	-3.10%
Sep 30, 2025	BAYBERRY CAPITAL PARTNERS LP	0.34%	282.5K	12.74M	-67.8K	-19.35%
Sep 30, 2025	FEDERATED HERMES, INC.	0.34%	281.89K	12.71M	53.39K	+23.36%
Sep 30, 2025	ALTRINSIC GLOBAL ADVISORS LLC	0.3%	251.38K	11.33M	45.01K	+21.81%
Jun 30, 2025	NORTHERN TRUST CORP	0.93%	764.97K	27.86M	-43.26K	-5.35%
Jun 30, 2025	BOSTON PARTNERS	0.85%	703.07K	25.77M	31	0.00%
Jun 30, 2025	ABRDN PLC	0.73%	605.77K	22.06M	-85.04K	-12.31%
Jun 30, 2025	PRENTISS SMITH & CO INC	0.13%	107.82K	3.93M	496	+0.46%
Jun 30, 2025	ENGINEERS GATE MANAGER LP	0.12%	102.12K	3.72M	43.12K	+73.10%
Jun 30, 2025	VANGUARD GROUP INC	9.87%	8.15M	296.65M	-24.43K	-0.30%
Jun 30, 2025	GOLDMAN SACHS GROUP INC	3.6%	2.97M	108.03M	-38.65K	-1.29%
Jun 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	2.56%	2.11M	76.78M	-15.15K	-0.71%
Jun 30, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.48%	1.22M	44.38M	-2.71K	-0.22%
Jun 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	1.47%	1.21M	45.3M	82.01K	+7.24%
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	1.36%	1.12M	40.94M	101.01K	+9.87%
Jun 30, 2025		1.05%	864.11K	31.47M	-469.02K	-35.18%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.7%	580.06K	21.13M	-734.6K	-55.88%
Jun 30, 2025	JPMORGAN CHASE & CO	0.65%	534.34K	19.46M	221.04K	+70.56%
Jun 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.52%	424.85K	15.47M	-191.09K	-31.02%
Jun 30, 2025	BANK OF NEW YORK MELLON CORP	0.44%	364.01K	13.26M	18.21K	+5.27%
Jun 30, 2025	TWO SIGMA ADVISERS, LP	0.44%	363.3K	13.23M	-117.3K	-24.41%
Jun 30, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0.45%	369.48K	13.46M	-94.25K	-20.32%
Jun 30, 2025	AMERIPRISE FINANCIAL INC	0.45%	367.35K	13.38M	-23.08K	-5.91%
Jun 30, 2025	BLACKROCK, INC.	8.17%	6.74M	245.43M	-331.46K	-4.69%
Jun 30, 2025	TWEEDY, BROWNE CO LLC	0.11%	89.59K	3.26M	0	0
Jun 30, 2025	FMR LLC	4.83%	3.98M	145.04M	-145.35K	-3.52%
Jun 30, 2025	MORGAN STANLEY	2.99%	2.46M	89.75M	94.43K	+3.98%
Jun 30, 2025	D. E. SHAW & CO., INC.	2.66%	2.2M	79.97M	118.3K	+5.69%
Jun 30, 2025	LIVFORSAKRINGSBOLAGET SKANDIA, OMSESIDIGT	0.11%	91.6K	3.34M	16.1K	+21.32%
Jun 30, 2025	ROYAL BANK OF CANADA	1.06%	871.18K	31.73M	829K	+1,965.52%
Jun 30, 2025	BAYBERRY CAPITAL PARTNERS LP	0.42%	350.3K	12.76M	350.3K	+100.00%
Jun 30, 2025	LOOMIS SAYLES & CO L P	0.42%	350.05K	12.75M	-1.63K	-0.46%
Jun 30, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.41%	340.15K	12.39M	-10.92K	-3.11%
Jun 30, 2025	FRONTIER CAPITAL MANAGEMENT CO LLC	0.41%	339.3K	12.36M	87.53K	+34.77%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.39%	318.1K	11.59B	87.06K	+37.68%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.27%	224.07K	8.16M	-153.22K	-40.61%
Jun 30, 2025	ALTRINSIC GLOBAL ADVISORS LLC	0.25%	206.38K	7.52M	206.38K	+100.00%
Jun 30, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.24%	200.13K	7.29M	-48.91K	-19.64%
Jun 30, 2025	YOST CAPITAL MANAGEMENT, LP	0.22%	185K	6.74M	0	0
Jun 30, 2025	KENNEDY CAPITAL MANAGEMENT LLC	0.22%	184.52K	6.72M	-37.67K	-16.95%
Jun 30, 2025	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.21%	174.37K	6.35M	-11.21K	-6.04%
Jun 30, 2025	STATE OF WISCONSIN INVESTMENT BOARD	0.21%	172.63K	6.29M	-44.44K	-20.47%
Jun 30, 2025	CTF CAPITAL MANAGEMENT, LP	0.2%	166.93K	6.08M	-26.53K	-13.72%
Jun 30, 2025	TWINBEECH CAPITAL LP	0.19%	154.66K	5.63M	140.64K	+1,003.09%
Jun 30, 2025	JEFFERIES FINANCIAL GROUP INC.	0.17%	140.1K	5.1M	5.1K	+3.77%
Jun 30, 2025	MARATHON PARTNERS EQUITY MANAGEMENT, LLC	0.17%	137.5K	5.01M	-2.5K	-1.79%
Jun 30, 2025	PDT PARTNERS, LLC	0.14%	117.97K	4.3M	17.62K	+17.55%
Jun 30, 2025	MOODY ALDRICH PARTNERS LLC	0.14%	117.47K	4.28M	-1.81K	-1.52%
Jun 30, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.13%	109.61K	3.99M	-67.57K	-38.14%
Jun 30, 2025	SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	0.12%	99.02K	3.61M	-78.74K	-44.30%
Jun 30, 2025	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0.97%	797.28K	29.04M	-62.81K	-7.30%
Jun 30, 2025	EMINENCE CAPITAL, LP	7.82%	6.45M	234.87M	691.94K	+12.02%
Jun 30, 2025	WELLINGTON MANAGEMENT GROUP LLP	3.19%	2.63M	95.9M	207.57K	+8.56%
Jun 30, 2025	STATE STREET CORP	2.37%	1.95M	71.15M	14.27K	+0.74%
Jun 30, 2025	PARSIFAL CAPITAL MANAGEMENT, LP	2.11%	1.74M	63.36M	70.48K	+4.22%
Jun 30, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.97%	1.62M	59.08M	-55.79K	-3.32%
Jun 30, 2025	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0.74%	613.06K	22.33M	-62.22K	-9.21%
Jun 30, 2025	AMERICAN CENTURY COMPANIES INC	0.67%	551.57K	20.09M	-256.84K	-31.77%
Jun 30, 2025	NEUBERGER BERMAN GROUP LLC	0.63%	518.12K	18.87M	-305.26K	-37.07%
Jun 30, 2025	VICTORY CAPITAL MANAGEMENT INC	0.61%	503.03K	18.32M	-189.64K	-27.38%
Jun 30, 2025	GW&K INVESTMENT MANAGEMENT, LLC	0.56%	462.78K	16.85M	-4.95K	-1.06%
Jun 30, 2025	NUVEEN, LLC	1.05%	864.11K	31.47M	-469.02K	-35.18%
Jun 30, 2025	HAWK RIDGE CAPITAL MANAGEMENT LP	0.53%	434.8K	15.84M	434.8K	+100.00%
Jun 30, 2025	THRIVENT FINANCIAL FOR LUTHERANS	0.5%	410.15K	14.94M	-248.75K	-37.75%
Jun 30, 2025	ALGERT GLOBAL LLC	0.48%	399.32K	14.54M	65.31K	+19.55%
Jun 30, 2025	TEACHER RETIREMENT SYSTEM OF TEXAS	0.46%	376.55K	13.71M	254.17K	+207.67%
Jun 30, 2025	ANCORA ADVISORS, LLC	0.45%	374.05K	13.62M	3.7K	+1.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.87%	2.37M	86.15M	407.48K	+20.81%
Jun 30, 2025	INVESCO LTD.	2.65%	2.19M	79.75M	31.83K	+1.47%
Jun 30, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.79%	1.47M	53.7M	142.46K	+10.70%
Jun 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.05%	865.42K	31.52M	66.2K	+8.28%
Jun 30, 2025	MARSHALL WACE, LLP	0.82%	676.88K	24.65M	368.13K	+119.23%
Jun 30, 2025	ROYCE & ASSOCIATES LP	0.82%	673.02K	24.51M	45.23K	+7.21%
Jun 30, 2025	MEDINA VALUE PARTNERS, LLC	0.77%	638.95K	23.27M	74.8K	+13.26%
Jun 30, 2025	WOODLINE PARTNERS LP	0.56%	458.24K	16.69M	300.88K	+191.19%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.53%	438.9K	15.98M	23.8K	+5.73%
Jun 30, 2025	MANGROVE PARTNERS	1.33%	1.1M	40.05M	0	0
Jun 30, 2025	FIRST TRUST ADVISORS LP	1.24%	1.02M	37.31M	433.17K	+73.24%
Jun 30, 2025	RAYMOND JAMES FINANCIAL INC	1.15%	949.95K	34.6M	279.68K	+41.73%
Jun 30, 2025	JANUS HENDERSON GROUP PLC	0.96%	794.62K	28.95M	320.25K	+67.51%
Mar 31, 2025	D. E. SHAW & CO., INC.	2.51%	2.08M	76.31M	166.38K	+8.71%
Mar 31, 2025	FIL LTD	0.67%	552.77K	20.3M	-12.14K	-2.15%
Mar 31, 2025	MEDINA VALUE PARTNERS, LLC	0.68%	564.15K	20.72M	56.6K	+11.15%
Mar 31, 2025	FIRST TRUST ADVISORS LP	0.71%	591.41K	21.72M	433.27K	+273.99%
Mar 31, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.74%	615.94K	22.62M	-1.19M	-65.89%
Mar 31, 2025	ROYCE & ASSOCIATES LP	0.76%	627.79K	23.06M	-16.16K	-2.51%
Mar 31, 2025	RAYMOND JAMES FINANCIAL INC	0.81%	670.27K	24.62M	2.77K	+0.42%
Mar 31, 2025	BLACKROCK, INC.	8.54%	7.07M	259.7M	540.55K	+8.28%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.97%	799.22K	29.36M	45.73K	+6.07%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	2.56%	2.12M	77.99M	-2.14M	-50.18%
Mar 31, 2025	INVESCO LTD.	2.61%	2.16M	79.26M	990.47K	+84.85%
Mar 31, 2025	MORGAN STANLEY	2.86%	2.37M	87.05M	-93.64K	-3.80%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	2.93%	2.43M	89.09M	478.02K	+24.54%
Mar 31, 2025	LOOMIS SAYLES & CO L P	0.42%	351.69K	12.92M	-10.54K	-2.91%
Mar 31, 2025	ANCORA ADVISORS, LLC	0.45%	370.35K	13.6M	7.86K	+2.17%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.46%	377.29K	13.86M	-118.36K	-23.88%
Mar 31, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0.56%	463.73K	17.03M	84.03K	+22.13%
Mar 31, 2025	GW&K INVESTMENT MANAGEMENT, LLC	0.56%	467.73K	17.18M	9.21K	+2.01%
Mar 31, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.43%	352.5K	12.95M	-106.87K	-23.26%
Mar 31, 2025	JANUS HENDERSON GROUP PLC	0.57%	474.37K	17.8M	122.43K	+34.79%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.42%	351.07K	12.89M	-677	-0.19%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.47%	390.43K	14.34M	56.41K	+16.89%
Mar 31, 2025	DRIEHAUS CAPITAL MANAGEMENT LLC	0.48%	397.91K	14.62M	-1.48K	-0.37%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.58%	480.6K	17.65M	-121.1K	-20.13%
Mar 31, 2025	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0.82%	675.28K	24.8M	-22.51K	-3.23%
Mar 31, 2025	ABRDN PLC	0.83%	690.81K	25.37M	90.97K	+15.17%
Mar 31, 2025	BOSTON PARTNERS	0.85%	703.04K	25.46M	-42.2K	-5.66%
Mar 31, 2025	NORTHERN TRUST CORP	0.98%	808.23K	29.69M	-20.03K	-2.42%
Mar 31, 2025	NEUBERGER BERMAN GROUP LLC	0.99%	823.37K	30.24M	182.4K	+28.46%
Mar 31, 2025	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	1.04%	860.09K	31.59M	860.09K	+100.00%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	1.24%	1.02M	37.59M	284.76K	+38.56%
Mar 31, 2025	MANGROVE PARTNERS	1.33%	1.1M	40.39M	0	0
Mar 31, 2025	CITADEL ADVISORS LLC	1.45%	1.2M	44.18M	1.04M	+635.76%
Mar 31, 2025	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	1.48%	1.22M	44.86M	-28.45K	-2.28%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.59%	1.31M	48.29M	563.56K	+75.03%
Mar 31, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.61%	1.33M	48.92M	25.17K	+1.93%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.36%	1.96M	71.93M	64.47K	+3.40%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	3.63%	3M	110.36M	-343.22K	-10.25%
Mar 31, 2025	FMR LLC	4.99%	4.13M	151.61M	855.84K	+26.16%
Mar 31, 2025	EMINENCE CAPITAL, LP	6.95%	5.76M	211.46M	1.16M	+25.35%
Mar 31, 2025	VANGUARD GROUP INC	9.87%	8.17M	300.07M	-139.81K	-1.68%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.5%	415.1K	15.25M	-133.3K	-24.31%
Mar 31, 2025	AMERICAN CENTURY COMPANIES INC	0.98%	808.42K	29.69M	-447.99K	-35.66%
Mar 31, 2025		1.61%	1.33M	48.97M	1.33M	+100.00%
Mar 31, 2025	PARSIFAL CAPITAL MANAGEMENT, LP	2.02%	1.67M	61.31M	-512.54K	-23.49%
Mar 31, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	2.03%	1.68M	61.63M	45.81K	+2.81%
Mar 31, 2025	STATE STREET CORP	2.34%	1.94M	71.23M	-60.83K	-3.04%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.54%	444.14K	16.31M	69.21K	+18.46%
Mar 31, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	1.37%	1.13M	42.14M	110.84K	+10.85%
Mar 31, 2025	VICTORY CAPITAL MANAGEMENT INC	0.84%	692.67K	25.44M	17.9K	+2.65%

Insiders

Among the ATMU insiders holding of 0.29% of the stake in company, CUMMINS INC, 10 percent owner, holds the largest shares of 67.05M. DISHER STEPHANIE, Chief Executive Officer, is the second largest ATMU insider with ownership of 187.21K shares. DISHER STEPH, Chief Executive Officer, stands third with possession of 61.11K shares of that stake.

Insiders	Designation	Shares Held
CUMMINS INC	10 percent owner	67.05M
DISHER STEPHANIE	Chief Executive Officer	187.21K
DISHER STEPH	Chief Executive Officer	61.11K
SWAN RENEE	Chief People Officer	46.45K
KIENZLER JACK	Chief Financial Officer	38.59K
MACADAM STEPHEN E.	director	32.08K
MASTERS CHARLES	VP, Engine Products	22.68K
HICKEY TONI	Chief Legal Officer	21.24K
HAGGERTY GRETCHEN R	director	19.88K
LEIPOLD JANE A	director	9.47K
DONOSO DIEGO	director	9.06K
BENNETT ROY EDWIN	director	8.25K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Nov 13, 2025	DONOSO DIEGO	SALE	48.84	20	976.8	9.06K
Sep 05, 2025	DONOSO DIEGO	PURCHASE	45.81	15	687.15	9.08K
Aug 13, 2025	DONOSO DIEGO	PURCHASE	45.00	25	1.13K	9.06K
Apr 02, 2025	DONOSO DIEGO	SALE	37.79	40	1.51K	9.04K
Aug 23, 2024	HAGGERTY GRETCHEN R	PURCHASE	34.20	5.85K	200K	19.88K
Aug 07, 2024	MACADAM STEPHEN E.	PURCHASE	31.56	8.25K	260.37K	32.08K
Nov 09, 2023	MACADAM STEPHEN E.	PURCHASE	19.49	5.2K	101.35K	19.27K
Aug 14, 2023	HICKEY TONI	AWARD	0.00	12.61K	-	21.24K
Aug 14, 2023	MASTERS CHARLES	AWARD	0.00	12.61K	-	22.68K
Aug 14, 2023	DISHER STEPHANIE	AWARD	0.00	126.1K	-	187.21K
Aug 14, 2023	SWAN RENEE	AWARD	0.00	46.45K	-	46.45K
Aug 14, 2023	LEIPOLD JANE A	AWARD	0.00	4.62K	-	9.47K
Aug 14, 2023	BENNETT ROY EDWIN	AWARD	0.00	4.62K	-	8.25K
Aug 14, 2023	HAGGERTY GRETCHEN R	AWARD	0.00	4.62K	-	9.47K
Aug 14, 2023	MACADAM STEPHEN E.	AWARD	0.00	4.62K	-	14.07K
Aug 14, 2023	KIENZLER JACK	AWARD	0.00	25.22K	-	38.59K
Jun 30, 2023	KIENZLER JACK	AWARD	0.00	9.78K	-	13.37K
Jun 30, 2023	MASTERS CHARLES	AWARD	0.00	5.04K	-	10.07K
Jun 30, 2023	HICKEY TONI	AWARD	0.00	5.04K	-	8.63K
Jun 30, 2023	DISHER STEPH	AWARD	0.00	40.29K	-	61.11K
Jun 16, 2023	HICKEY TONI	AWARD	0.00	3.59K	-	3.59K
Jun 16, 2023	MASTERS CHARLES	AWARD	0.00	5.04K	-	5.04K
Jun 16, 2023	KIENZLER JACK	AWARD	0.00	3.59K	-	3.59K
Jun 16, 2023	DISHER STEPH	AWARD	0.00	20.82K	-	20.82K
Jun 02, 2023	HAGGERTY GRETCHEN R	AWARD	0.00	4.84K	-	4.84K
Jun 02, 2023	LEIPOLD JANE A	AWARD	0.00	4.84K	-	4.84K
Jun 02, 2023	MACADAM STEPHEN E.	AWARD	0.00	4.84K	-	9.44K
Jun 02, 2023	BENNETT ROY EDWIN	AWARD	0.00	3.63K	-	3.63K
May 30, 2023	CUMMINS INC	SALE	0.00	16.24M	-	67.05M
May 26, 2023	MACADAM STEPHEN E.	PURCHASE	21.75	4.6K	100.05K	4.6K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE402

SALES201

NET SHARES201

SHARES HELD27.2K3

% NET SHARES-99.93%-66.67%

Frequently Asked Questions