Atmus Filtration Ownership | Who Owns Atmus Filtration?
Atmus Filtration Ownership Summary
Atmus Filtration is owned by 17.42% institutional investors, 0.30% insiders, and 82.28% retail investors. Vanguard group is the largest institutional shareholder, holding 9.56% of ATMU shares.
ATMU Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atmus Filtration | 17.42% | 0.30% | 82.28% |
| Sector | Industrials Stocks | 47.69% | 12.55% | 39.76% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 7.84M | 9.56% | $407.09M |
| Blackrock funding, inc. /de | 6.77M | 8.26% | $351.46M |
| Eminence capital, lp | 6.52M | 7.91% | $294.10M |
| Price t rowe associates inc /md/ | 4.08M | 4.95% | $184.03M |
| Fmr | 3.50M | 4.25% | $157.93M |
| Goldman sachs group | 3.20M | 3.90% | $166.13M |
| Geode capital management | 2.43M | 2.96% | $126.09M |
| Invesco | 2.22M | 2.70% | $100.27M |
| Wellington management group llp | 2.22M | 2.69% | $100.05M |
| Morgan stanley | 2.12M | 2.59% | $110.23M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Yost capital management, lp | 109.00K | 8.21% | $5.66M |
| Medina value partners | 504.82K | 5.32% | $22.76M |
| Parsifal capital management, lp | 1.24M | 5.22% | $56.05M |
| Mangrove partners | 1.33M | 4.43% | $59.99M |
| Marathon partners equity management | 112.50K | 3.65% | $5.07M |
| Eminence capital, lp | 6.52M | 3.57% | $294.10M |
| Prentiss smith | 106.69K | 3.31% | $5.54M |
| Bayberry capital partners lp | 282.50K | 3.03% | $12.74M |
| Channing capital management | 1.72M | 2.04% | $77.33M |
| Charter oak advisors lp | 66.46K | 1.08% | $3.00M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Price t rowe associates inc /md/ | 4.08M | 0.02% | 1.97M |
| Channing capital management | 1.72M | 2.04% | 1.66M |
| Westwood group | 1.64M | 0.53% | 1.30M |
| Boston trust walden | 853.48K | 0.33% | 853.48K |
| First trust advisors lp | 1.53M | 0.05% | 503.38K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Royal bank of canada | 114.11K | 0.00% | -757.06K |
| Boston partners | - | - | -586.40K |
| Fil | - | - | -552.77K |
| Neuberger berman group | - | - | -518.12K |
| Allspring global investments | 740.50K | 0.06% | -509.45K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Boston trust walden | 853.48K | 0.33% | 853.48K | $44.30M |
| Port capital | 430.46K | 0.81% | 430.46K | $19.41M |
| Axiom investors llc /de | 224.75K | 0.10% | 224.75K | $11.67M |
| Bar harbor wealth management | 112.67K | 0.34% | 112.67K | $5.85M |
| Norges bank | 53.21K | 0.00% | 53.21K | $2.76M |
Sold Out
| Holder | Change |
|---|---|
| Cornerstone planning group | -6.00 |
| Global financial private client | -9.00 |
| Wealthspire advisors | -12.00 |
| Org partners | -12.00 |
| Bruce g. allen investments | -14.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 102 | -65.77% | 14,287,835 | -82.74% | 17 | 0.17% | 48 | -63.08% | 28 | -76.47% |
| Sep 30, 2025 | 109 | -60.65% | 17,717,776 | -78.74% | 21 | 0.21% | 35 | -73.48% | 48 | -53.40% |
| Jun 30, 2025 | 275 | -1.43% | 82,600,818 | -0.13% | 100 | 1.00% | 131 | -3.68% | 102 | 8.51% |
| Mar 31, 2025 | 277 | -3.15% | 82,703,882 | 1.38% | 99 | 1.04% | 135 | -2.17% | 94 | 1.08% |
| Dec 31, 2024 | 289 | 2.48% | 83,585,612 | -0.09% | 100 | 0.99% | 140 | -9.09% | 94 | 10.59% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 02, 2025 | Donoso Diego | - | Sell | $1.51K |
| Sep 05, 2025 | Donoso Diego | - | Buy | $687.15 |
| Aug 13, 2025 | Donoso Diego | - | Buy | $1.13K |
| Nov 13, 2025 | Donoso Diego | - | Sell | $976.80 |
| Aug 23, 2024 | HAGGERTY GRETCHEN R | - | Buy | $200.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | - | 1 |
| 2025 Q3 | 2 | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
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