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Security record

ATMU

Atmus Filtration Technologies Inc. · Consumer Cyclical · Auto - Parts

49.64 +3.1% mkt cap $4.05B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
104Tracked holders
-4Δ holders
63.87MShares held
$3.26BReported value
+7New positions
−10Exits
Stable Conviction score 43/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -3.7% · share flow +9.7% · net new positions -2.9%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 104 -4 63.87M $3.26B +7 −10
Q1 2026 110 +5 59.84M $3.40B +8 −4
Q4 2025 105 0 60.18M $3.12B +1
Q3 2025 19 0 38.08M $1.72B
Q2 2025 16 -1 31.86M $1.16B −1
Q1 2025 14 0 13.32M $489.30M
Q4 2024 14 -1 14.18M $555.78M −1
Q3 2024 14 +1 11.88M $445.74M +1
Q2 2024 13 10.01M $288.06M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
2 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
3 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
4 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
5 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
9 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
11 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
12 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
13 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
14 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
15 BlackRock (passive) 12.39M +81.9% $631.62M 0.0% ▲ Add 5 SEC ↗
16 Fidelity (FMR) 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗
17 Fidelity (FMR) 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗
18 Fidelity (FMR) 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗
19 Fidelity (FMR) 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗
20 Fidelity (FMR) 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗
21 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
22 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
23 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
24 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
25 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
26 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
27 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
28 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
29 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
30 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
31 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗
32 T. Rowe Price 4.39M -2.2% $223.76M 0.0% ▼ Trim 9 SEC ↗
33 T. Rowe Price 4.39M -2.2% $223.76M 0.0% ▼ Trim 9 SEC ↗
34 Vanguard Capital Management Llc 3.61M +1.2% $184.06M 0.0% ▲ Add 2 SEC ↗
35 State Street Global Advisors (passive) 3.26M +71.8% $166.04M 0.0% ▲ Add 7 SEC ↗
36 Goldman Sachs Group 2.90M -11.8% $148.06M 0.0% ▼ Trim 4 SEC ↗
37 Goldman Sachs Group 2.90M -11.8% $148.06M 0.0% ▼ Trim 4 SEC ↗
38 Goldman Sachs Group 2.90M -11.8% $148.06M 0.0% ▼ Trim 4 SEC ↗
39 Goldman Sachs Group 2.90M -11.8% $148.06M 0.0% ▼ Trim 4 SEC ↗
40 Geode Capital Management (passive) 2.87M +8.4% $146.27M 0.0% ▲ Add 9 SEC ↗
41 Geode Capital Management (passive) 2.87M +8.4% $146.27M 0.0% ▲ Add 9 SEC ↗
42 Neuberger Berman Group LLC 2.42M +106.2% $123.43M 0.1% ▲ Add 3 SEC ↗
43 Neuberger Berman Group LLC 2.42M +106.2% $123.43M 0.1% ▲ Add 3 SEC ↗
44 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
45 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
46 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
47 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
48 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
49 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
50 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
51 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
52 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
53 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
54 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
55 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
56 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
57 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
58 Morgan Stanley 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗
59 First Trust Advisors Lp 1.59M -28.0% $80.91M 0.0% ▼ Trim 3 SEC ↗
60 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗
61 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗
62 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗
63 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗
64 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗
65 Wellington Management 1.45M +4.3% $73.72M 0.0% ▲ Add 9 SEC ↗
66 Wellington Management 1.45M +4.3% $73.72M 0.0% ▲ Add 9 SEC ↗
67 Wellington Management 1.45M +4.3% $73.72M 0.0% ▲ Add 9 SEC ↗
68 Charles Schwab Investment… 957.07K +1.8% $48.80M 0.0% ▲ Add 3 SEC ↗
69 Nuveen, LLC 930.52K -35.6% $47.45M 0.0% ▼ Trim 3 SEC ↗
70 Nuveen, LLC 930.52K -35.6% $47.45M 0.0% ▼ Trim 3 SEC ↗
71 Nuveen, LLC 930.52K -35.6% $47.45M 0.0% ▼ Trim 3 SEC ↗
72 Nuveen, LLC 930.52K -35.6% $47.45M 0.0% ▼ Trim 3 SEC ↗
73 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗
74 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗
75 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗
76 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗
77 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗
78 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
79 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
80 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
81 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
82 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
83 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗
84 Marshall Wace 806.25K +149.9% $41.11M 0.0% ▲ Add 9 SEC ↗
85 Marshall Wace 806.25K +149.9% $41.11M 0.0% ▲ Add 9 SEC ↗
86 Marshall Wace 806.25K +149.9% $41.11M 0.0% ▲ Add 9 SEC ↗
87 Manufacturers Life Insurance… 767.84K +1.2% $39.15M 0.0% ▲ Add 3 SEC ↗
88 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
89 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
90 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
91 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
92 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
93 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
94 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
95 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗
96 Aberdeen Group plc 521.72K +40.0% $26.60M 0.0% ▲ Add 3 SEC ↗
97 Aberdeen Group plc 521.72K +40.0% $26.60M 0.0% ▲ Add 3 SEC ↗
98 Aberdeen Group plc 521.72K +40.0% $26.60M 0.0% ▲ Add 3 SEC ↗
99 Boston Partners 494.69K New $25.28M 0.0% New 1 SEC ↗
100 Boston Partners 494.69K New $25.28M 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Boston Partners $25.28M 0.0%
Boston Partners $25.28M 0.0%

Exited

Qube Research & Technologies… $42.08M was 0.1%
Assenagon Asset Management… $10.32M was 0.0%
Millennium Management $6.74M was 0.0%
Hsbc Holdings Plc $2.22M was 0.0%
Hrt Financial Lp $1.64M was 0.0%
DZ BANK AG Deutsche Zentral… $1.51M was 0.0%
Capstone Investment Advisors… $1.09M was 0.0%
Renaissance Technologies $1.06M was 0.0%
Mariner, LLC $344,493 was 0.0%
Corient Private Wealth LP $242,137 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 349 holders, 83.15M shares, $4.30B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 12 Macadam Stephen E.

Director · 2.00K sh @ 49.78 · $99,551

Open-market sales (S)

Aug 17 Swan Renee

Officer · 3.87K sh · $196,956

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 13 SC 13G — Invesco Ltd.

View original SEC filing ↗

Aug 06 SC 13G/A — FMR LLC

View original SEC filing ↗

Jul 31 SC 13G — VANGUARD PORTFOLIO MANAGEMENT LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API