Atmus Filtration Technologies Inc.
ATMU- Exchange
- NYSE
- Industry
- Motor Vehicle Parts & Accessories
- SEC CIK
- 0001921963
In the last 90 days, Atmus Filtration Technologies Inc. insiders filed 1 open-market purchase and 1 sale; 335 institutions reported holding it in 13F filings for Q2 2026, worth $4.47B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Atmus Filtration Technologies Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 351
- +46 vs. Q4 2025
- Shares held
- 83.6M
- +8.13M (+10.8%) vs. Q4 2025
- Total value
- $4.75B
- +$829.5M (+21.2%) vs. Q4 2025
- New holders
- 72
- 126 more added
- Sold out
- 26
- 103 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATMU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 335 | $4.47B |
| Q1 2026 | 351 | $4.75B |
| Q4 2025 | 312 | $4.34B |
| Q3 2025 | 291 | $3.73B |
| Q2 2025 | 278 | $3.04B |
| Q1 2025 | 277 | $3.06B |
| Q4 2024 | 287 | $3.28B |
| Q3 2024 | 281 | $3.15B |
| Q2 2024 | 237 | $2.53B |
| Q1 2024 | 230 | $2.82B |
| Q4 2023 | 93 | $640.4M |
| Q3 2023 | 82 | $472.4M |
| Q2 2023 | 67 | $386.1M |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Atmus Filtration Technologies Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Woodline Partners LP | 355,936 | $20.2M | 0.08% | +98,714+38.4% | Added |
| Bank of New York Mellon Corp | 359,696 | $20.4M | 0.00% | +8,624+2.5% | Added |
| New York State Common Retirement Fund | 362,222 | $20.6M | 0.03% | −47,056−11.5% | Reduced |
| Standard Life Aberdeen plc | 372,794 | $21.2M | 0.03% | −27,905−7.0% | Reduced |
| UBS Group AG | 381,676 | $21.7M | 0.00% | +47,970+14.4% | Added |
| William Blair Investment Management, LLC | 426,072 | $24.2M | 0.08% | −255,900−37.5% | Reduced |
| Jane Street Group, LLC | 426,622 | $24.2M | 0.03% | +416,486+4,109.0% | Added |
| GW&K Investment Management, LLC | 439,199 | $24.9M | 0.22% | −43,483−9.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 454,638 | $25.8M | 0.04% | +401,315+752.6% | Added |
| JPMorgan Chase & Co | 481,470 | $26.4M | 0.00% | +157,385+48.6% | Added |
| Teacher Retirement System of Texas | 474,416 | $26.9M | 0.11% | −116,302−19.7% | Reduced |
| Federated Hermes, Inc. | 487,289 | $27.7M | 0.04% | +74,302+18.0% | Added |
| Algert Global LLC | 514,932 | $29.2M | 0.44% | −55,005−9.7% | Reduced |
| Vanguard Fiduciary Trust Co | 564,188 | $32.0M | 0.01% | +564,188 | New |
| Northern Trust Corp | 726,506 | $41.2M | 0.01% | +9,844+1.4% | Added |
| Silvercrest Asset Management Group LLC | 740,647 | $42.0M | 0.30% | −10,003−1.3% | Reduced |
| Qube Research & Technologies Ltd | 741,198 | $42.1M | 0.06% | +406,965+121.8% | Added |
| Frontier Capital Management Co LLC | 742,221 | $42.1M | 0.43% | +88,667+13.6% | Added |
| Boston Trust Walden Corp | 750,579 | $42.6M | 0.35% | −102,898−12.1% | Reduced |
| Manufacturers Life Insurance Company, The | 758,807 | $43.1M | 0.04% | −10,920−1.4% | Reduced |
| Royce & Associates LP | 777,735 | $44.2M | 0.44% | +109,923+16.5% | Added |
| Parsifal Capital Management, LP | 788,987 | $44.8M | 5.78% | −445,300−36.1% | Reduced |
| Raymond James Financial Inc | 821,724 | $45.2M | 0.01% | −43,786−5.1% | Reduced |
| Massachusetts Financial Services Co | 818,850 | $50.3M | 0.02% | −58,551−6.7% | Reduced |
| Bank of America Corp | 893,577 | $50.7M | 0.00% | +225,601+33.8% | Added |
| Port Capital LLC | 908,680 | $51.6M | 2.29% | +31,960+3.6% | Added |
| Charles Schwab Investment Management Inc | 940,625 | $53.4M | 0.01% | +4,750+0.5% | Added |
| Arrowstreet Capital, Limited Partnership | 999,548 | $56.7M | 0.03% | +659,357+193.8% | Added |
| Neuberger Berman Group LLC | 1,174,210 | $66.7M | 0.05% | +1,168,811+21,648.7% | Added |
| Westwood Holdings Group Inc. | 1,239,186 | $70.3M | 0.51% | −142,299−10.3% | Reduced |
| Eminence Capital, LP | 1,281,995 | $72.8M | 1.67% | −2,543,351−66.5% | Reduced |
| Dimensional Fund Advisors LP | 1,302,972 | $74.0M | 0.02% | +45,138+3.6% | Added |
| Mangrove Partners | 1,315,227 | $74.7M | 6.05% | 00.0% | Unchanged |
| Channing Capital Management, LLC | 1,385,924 | $78.7M | 2.01% | −242,969−14.9% | Reduced |
| Wellington Management Group LLP | 1,386,421 | $78.7M | 0.01% | −216,074−13.5% | Reduced |
| Nuveen, LLC | 1,444,750 | $82.0M | 0.02% | +134,310+10.2% | Added |
| Janus Henderson Group PLC | 1,551,117 | $88.1M | 0.04% | +181,792+13.3% | Added |
| T. Rowe Price Investment Management, Inc. | 1,580,676 | $89.7M | 0.06% | −42,110−2.6% | Reduced |
| D. E. Shaw & Co., Inc. | 1,620,752 | $92.0M | 0.07% | +176,783+12.2% | Added |
| Morgan Stanley | 1,736,994 | $98.6M | 0.01% | −386,409−18.2% | Reduced |
| State Street Corp | 1,895,114 | $107.6M | 0.00% | −6,590−0.3% | Reduced |
| First Trust Advisors LP | 2,202,816 | $125.1M | 0.09% | +70,905+3.3% | Added |
| Geode Capital Management, LLC | 2,645,085 | $150.2M | 0.01% | +216,401+8.9% | Added |
| Goldman Sachs Group Inc | 3,290,936 | $186.8M | 0.02% | +88,794+2.8% | Added |
| Invesco Ltd. | 3,343,900 | $189.8M | 0.02% | +615,430+22.6% | Added |
| Vanguard Capital Management LLC | 3,566,486 | $202.5M | 0.01% | +3,566,486 | New |
| Vanguard Portfolio Management LLC | 3,689,470 | $209.5M | 0.01% | +3,689,470 | New |
| Price T Rowe Associates Inc | 4,486,690 | $254.7M | 0.03% | −191,194−4.1% | Reduced |
| FMR LLC | 4,937,777 | $280.3M | 0.01% | +517,992+11.7% | Added |
| BlackRock, Inc. | 6,810,861 | $386.7M | 0.01% | +40,299+0.6% | Added |
| Altshuler Shaham Ltd | 21 | – | – | +21 | New |
| Trexquant Investment LP | 0 | $0 | 0.00% | −133,698−100.0% | Sold out |
| NEOS Investment Management LLC | 0 | $0 | 0.00% | −89,857−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −67,992−100.0% | Sold out |
| Ionic Capital Management LLC | 0 | $0 | 0.00% | −60,003−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −41,291−100.0% | Sold out |
| Tweedy, Browne Co LLC | 0 | $0 | 0.00% | −40,550−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −29,327−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −23,492−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −18,470−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −14,708−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −14,061−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −5,530−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −5,423−100.0% | Sold out |
| IHT Wealth Management, LLC | 0 | $0 | 0.00% | −4,580−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −3,803−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −2,625−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,378−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,822−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −245−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −208−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Financial Network Wealth Advisors LLC | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Turning Point Benefit Group, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Yost Capital Management, LP | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |