★
Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

Guided View
New to markets (prices, yields, YTD, market cap)? We explain every term as you browse, in plain English. Same data, with the help built in.

Expert View
You already know the market. Just the data: clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record

ATMU

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

42.81 +0.4% mkt cap $3.50B quote delayed (FMP) · as of Oct 11 03:53 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 ↗ ×15
2 Fidelity (FMR) ✦ 5.32M +7.7% $271.08M 0.0% ▲ Add 5 SEC ↗ ×5
3 Invesco Ltd. 4.46M +33.3% $227.29M 0.0% ▲ Add 3 SEC ↗ ×11
4 T. Rowe Price ✦ 4.39M -2.2% $223.76M 0.0% ▼ Trim 9 SEC ↗ ×2
5 Vanguard Capital Management Llc 3.61M +1.2% $184.06M 0.0% ▲ Add 2 SEC ↗
6 State Street Global Advisors ✦ (passive) 3.26M +71.8% $166.04M 0.0% ▲ Add 7 SEC ↗
7 Goldman Sachs Group ✦ 2.90M -11.8% $148.06M 0.0% ▼ Trim 4 SEC ↗ ×4
8 Geode Capital Management ✦ (passive) 2.87M +8.4% $146.27M 0.0% ▲ Add 9 SEC ↗ ×2
9 Neuberger Berman Group LLC 2.42M +106.2% $123.43M 0.1% ▲ Add 3 SEC ↗ ×2
10 Morgan Stanley ✦ 1.62M -6.8% $82.51M 0.0% ▼ Trim 4 SEC ↗ ×15
11 First Trust Advisors Lp 1.59M -28.0% $80.91M 0.0% ▼ Trim 3 SEC ↗
12 Dimensional Fund Advisors Lp 1.46M +12.1% $74.49M 0.0% ▲ Add 3 SEC ↗ ×5
13 Wellington Management ✦ 1.45M +4.3% $73.72M 0.0% ▲ Add 9 SEC ↗ ×3
14 Charles Schwab Investment… 957.07K +1.8% $48.80M 0.0% ▲ Add 3 SEC ↗
15 Nuveen, LLC 930.52K -35.6% $47.45M 0.0% ▼ Trim 3 SEC ↗ ×4
16 Raymond James Financial Inc 915.57K +11.4% $46.68M 0.0% ▲ Add 3 SEC ↗ ×5
17 Northern Trust Corp 852.44K +17.3% $43.47M 0.0% ▲ Add 3 SEC ↗ ×6
18 Marshall Wace ✦ 806.25K +149.9% $41.11M 0.0% ▲ Add 9 SEC ↗ ×3
19 Manufacturers Life Insurance… 767.84K +1.2% $39.15M 0.0% ▲ Add 3 SEC ↗
20 Bank of New York Mellon Corp 578.86K +60.9% $29.52M 0.0% ▲ Add 3 SEC ↗ ×8
21 Aberdeen Group plc 521.72K +40.0% $26.60M 0.0% ▲ Add 3 SEC ↗ ×3
22 Boston Partners 494.69K New $25.28M 0.0% New 1 SEC ↗ ×3
23 Bank Of America Corp /De/ 484.70K -45.8% $24.72M 0.0% ▼ Trim 3 SEC ↗ ×5
24 Principal Financial Group Inc 482.39K +486.3% $24.60M 0.0% ▲ Add 3 SEC ↗ ×2
25 D. E. Shaw & Co. ✦ 482.03K -70.3% $24.58M 0.0% ▼ Trim 9 SEC ↗ ×2
26 Federated Hermes, Inc. 478.26K -1.9% $24.39M 0.0% ▼ Trim 3 SEC ↗ ×3
27 New York State Common Retirement… 457.33K +26.3% $23.32M 0.0% ▲ Add 3 SEC ↗
28 Massachusetts Financial Services Co… 403.49K -50.7% $20.57M 0.0% ▼ Trim 3 SEC ↗
29 Ameriprise Financial Inc 401.13K +50.9% $20.45M 0.0% ▲ Add 3 SEC ↗ ×2
30 Nomura Asset Management… 395.98K +39.3% $20.19M 0.0% ▲ Add 2 SEC ↗
31 JPMorgan Chase ✦ 387.64K -19.5% $19.80M 0.0% ▼ Trim 4 SEC ↗ ×5
32 Arrowstreet Capital ✦ 383.64K -61.6% $19.56M 0.0% ▼ Trim 8 SEC ↗
33 Victory Capital Management Inc 378.12K +34.0% $19.28M 0.0% ▲ Add 3 SEC ↗
34 UBS Group AG 372.00K -2.5% $18.97M 0.0% ▼ Trim 3 SEC ↗ ×4
35 Allspring Global Investments… 370.08K +43.9% $18.37M 0.0% ▲ Add 3 SEC ↗ ×2
36 Loomis Sayles & Co L P 288.58K -1.3% $14.71M 0.0% ▼ Trim 3 SEC ↗ ×2
37 Healthcare Of Ontario Pension Plan… 262.64K -42.2% $13.39M 0.0% ▼ Trim 3 SEC ↗
38 American Century Companies Inc 198.84K +23.4% $10.14M 0.0% ▲ Add 3 SEC ↗
39 Hotchkis & Wiley Capital Management… 197.80K +25.2% $10.09M 0.0% ▲ Add 3 SEC ↗
40 Rhumbline Advisers 196.80K +88.0% $10.03M 0.0% ▲ Add 3 SEC ↗
41 Legal & General Group Plc 186.32K +163.6% $9.50M 0.0% ▲ Add 3 SEC ↗ ×3
42 Wells Fargo & Company/Mn 176.26K +52.6% $8.99M 0.0% ▲ Add 3 SEC ↗ ×4
43 Swiss National Bank 163.85K +1.6% $8.35M 0.0% ▲ Add 3 SEC ↗
44 UBS AM, a distinct business unit of… 155.48K +16.1% $7.93M 0.0% ▲ Add 3 SEC ↗ ×9
45 Russell Investments Group, Ltd. 130.05K -37.6% $6.63M 0.0% ▼ Trim 3 SEC ↗ ×5
46 Alliancebernstein L.P. 116.78K +22.3% $6.63M 0.0% ▲ Add 3 SEC ↗
47 Tidal Investments LLC 123.69K +2.6% $6.31M 0.0% ▲ Add 2 SEC ↗
48 State Of Wisconsin Investment Board 94.02K +20.0% $4.79M 0.0% ▲ Add 3 SEC ↗
49 Fifth Third Bancorp 93.50K +90.2% $4.77M 0.0% ▲ Add 2 SEC ↗
50 Prudential Financial Inc 92.17K -29.1% $4.70M 0.0% ▼ Trim 3 SEC ↗ ×2
51 Franklin Resources Inc 91.10K -2.4% $4.65M 0.0% ▼ Trim 3 SEC ↗ ×4
52 Deutsche Bank Ag\ 90.52K -68.1% $4.62M 0.0% ▼ Trim 3 SEC ↗ ×3
53 AQR Capital Management ✦ 89.32K -18.9% $4.55M 0.0% ▼ Trim 9 SEC ↗ ×5
54 Citadel Advisors ✦ 87.45K -62.1% $4.46M 0.0% ▼ Trim 9 SEC ↗ ×2
55 Sei Investments Co 80.33K -51.1% $4.10M 0.0% ▼ Trim 3 SEC ↗ ×2
56 Voya Investment Management Llc 74.96K -1.6% $3.82M 0.0% ▼ Trim 3 SEC ↗ ×2
57 BNP Paribas Asset Management… 66.92K +0.9% $3.41M 0.0% ▲ Add 3 SEC ↗ ×3
58 Connor, Clark & Lunn Investment… 63.10K +1346.9% $3.22M 0.0% ▲ Add 2 SEC ↗ ×2
59 Norges Bank ✦ (passive) 53.21K New $2.71M 0.0% New 1 SEC ↗
60 Citigroup Inc 53.10K +10.9% $2.71M 0.0% ▲ Add 3 SEC ↗ ×2
61 Td Asset Management Inc 52.97K -1.4% $2.70M 0.0% ▼ Trim 3 SEC ↗
62 Envestnet Asset Management Inc 47.97K +11.3% $2.45M 0.0% ▲ Add 3 SEC ↗
63 Royal Bank Of Canada 43.13K +5.3% $2.20M 0.0% ▲ Add 3 SEC ↗ ×6
64 Lazard Asset Management Llc 39.05K -5.2% $1.99M 0.0% ▼ Trim 3 SEC ↗
65 MIRAE ASSET GLOBAL ETFS HOLDINGS… 38.46K -0.3% $1.96M 0.0% ▼ Trim 3 SEC ↗
66 Zurcher Kantonalbank (Zurich… 36.08K -9.2% $1.84M 0.0% ▼ Trim 3 SEC ↗
67 Susquehanna International Group, Llp 33.54K -90.1% $1.71M 0.0% ▼ Trim 3 SEC ↗
68 Bnp Paribas Financial Markets 32.65K -52.9% $1.66M 0.0% ▼ Trim 3 SEC ↗
69 Two Sigma Investments ✦ 30.19K -64.9% $1.54M 0.0% ▼ Trim 9 SEC ↗
70 Universal- Beteiligungs- und… 20.45K -24.9% $1.04M 0.0% ▼ Trim 3 SEC ↗
71 Creative Planning 19.89K -24.6% $1.01M 0.0% ▼ Trim 3 SEC ↗
72 Quantinno Capital Management LP 16.07K +13.8% $819,448 0.0% ▲ Add 3 SEC ↗
73 Barclays Plc 13.90K -95.5% $708,965 0.0% ▼ Trim 3 SEC ↗ ×2
74 Squarepoint Ops LLC 13.75K -82.2% $701,316 0.0% ▼ Trim 2 SEC ↗
75 Canada Pension Plan Investment Board 12.80K -82.6% $652,672 0.0% ▼ Trim 3 SEC ↗
76 Pictet Asset Management Holding SA 12.55K 0.0% $639,823 0.0% Held 3 SEC ↗
77 Cerity Partners LLC 12.40K -44.4% $632,327 0.0% ▼ Trim 3 SEC ↗ ×2
78 ProShare Advisors LLC 11.89K -0.4% $606,169 0.0% ▼ Trim 3 SEC ↗
79 LPL Financial LLC 11.82K -10.8% $602,665 0.0% ▼ Trim 3 SEC ↗
80 Stifel Financial Corp 11.58K +76.2% $590,544 0.0% ▲ Add 2 SEC ↗ ×2
81 Jane Street Group, Llc 10.35K -97.6% $527,543 0.0% ▼ Trim 3 SEC ↗ ×2
82 Jones Financial Companies Lllp 9.56K +8.3% $514,943 0.0% ▲ Add 3 SEC ↗
83 Mackenzie Financial Corp 9.30K +43.6% $474,411 0.0% ▲ Add 3 SEC ↗
84 Wealth Enhancement Advisory… 8.52K -0.2% $431,911 0.0% ▼ Trim 3 SEC ↗
85 Storebrand Asset Management As 6.31K 0.0% $321,594 0.0% Held 3 SEC ↗
86 Captrust Financial Advisors 6.16K -25.3% $314,200 0.0% ▼ Trim 3 SEC ↗
87 Bank Of Montreal /Can/ 6.04K New $308,031 0.0% New 1 SEC ↗ ×4
88 IMC-Chicago, LLC 5.89K New $300,484 0.0% New 1 SEC ↗
89 Us Bancorp \De\ 5.45K +2.6% $277,743 0.0% ▲ Add 3 SEC ↗ ×2
90 CIBC Bancorp USA Inc. 5.35K +4.5% $273,001 0.0% ▲ Add 2 SEC ↗ ×3
91 Mitsubishi UFJ Trust & Banking Corp 4.93K New $251,177 0.0% New 1 SEC ↗
92 Cetera Investment Advisers 4.84K +10.1% $246,645 0.0% ▲ Add 3 SEC ↗
93 State Board Of Administration Of… 4.69K 0.0% $239,143 0.0% Held 3 SEC ↗
94 HighTower Advisors, LLC 4.32K -12.0% $220,341 0.0% ▼ Trim 3 SEC ↗
95 CIBC Asset Management Inc 4.12K New $209,875 0.0% New 1 SEC ↗
96 Mercer Global Advisors Inc /Adv 3.94K -18.6% $201,076 0.0% ▼ Trim 2 SEC ↗
97 Osaic Holdings, Inc. 2.89K +5.9% $147,415 0.0% ▲ Add 3 SEC ↗ ×2
98 Rockefeller Capital Management L.P. 1.99K +59.2% $101,519 0.0% ▲ Add 3 SEC ↗ ×3
99 Pnc Financial Services Group, Inc. 1.77K +36.5% $90,151 0.0% ▲ Add 3 SEC ↗ ×5
100 Optiver Holding B.V. 724 +78.3% $36,917 0.0% ▲ Add 3 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%
Norges Bank $2.71M 0.0%
Bank Of Montreal /Can/ $308,031 0.0%
IMC-Chicago, LLC $300,484 0.0%
Mitsubishi UFJ Trust &… $251,177 0.0%
CIBC Asset Management Inc $209,875 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