Atmus Filtration Technologies
ATMU · NYSE
$44.75+$0.41 (+0.92%)TodayMarket closed ·
Prev close $44.34
Who owns ATMU
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 53.4% of ATMU’s shares.
- BlackRock Institutional Trust Company, N.A.13.9%
- Vanguard Portfolio Management, LLC5.6%
- Fidelity Management & Research Company LLC5.3%
- T. Rowe Price Associates, Inc.5.2%
- Next 6 largest institutions23.3%
- All other shareholders46.6%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 11.39M | 13.94% |
| Vanguard Portfolio Management, LLC | 4.60M | 5.64% |
| Fidelity Management & Research Company LLC | 4.29M | 5.26% |
| T. Rowe Price Associates, Inc. | 4.26M | 5.21% |
| Invesco Advisers, Inc. | 4.14M | 5.07% |
| Vanguard Capital Management, LLC | 3.61M | 4.42% |
| State Street Investment Management (US) | 3.26M | 3.99% |
| Geode Capital Management, L.L.C. | 2.87M | 3.51% |
| Goldman Sachs Asset Management, L.P. | 2.76M | 3.38% |
| Neuberger Berman, LLC | 2.42M | 2.96% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.98M | 6.09% |
| Vanguard Total Stock Market Index Fund | 2.60M | 3.18% |
| iShares Russell 2000 ETF | 2.18M | 2.67% |
| Vanguard Small-Cap Index Fund | 1.88M | 2.30% |
| Neuberger Genesis Fund | 1.38M | 1.69% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $209.53K (4 trades) and sold $1.84M (5 trades) of ATMU on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Swan Renee | Sale | 3.87K | $196.96K |
| Macadam Stephen E. | Buy | 2.00K | $99.55K |
| Swan Renee | Sale | 2.57K | $116.10K |
| Kienzler Jack | Sale | 5.13K | $232.21K |
| Masters Charles | Sale | 2.89K | $130.76K |
| Disher Stephanie | Sale | 25.65K | $1.16M |
| Sharp Heath | Award | 2.62K | — |
| Bennett Roy Edwin | Award | 2.62K | — |
| Carpenter Kevin N | Award | 28.51K | — |
| Donoso Diego | Award | 2.62K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.40M
- Days to cover
- 3.76
- % of shares outstanding
- 4.16%
- Average daily volume
- 903.23K
- Change since last report
- +10.1%
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