ATMUAtmus Filtration Technologies Inc.

$49.49

Who owns ATMU

347 institutions reported holding ATMU for 2026Q1, together 102% of the company, more than the 309 a quarter earlier.

347

Institutions reporting a position · as of 2026Q1 · up from 309 the quarter before

Shares held by institutions
83.6M

Shares held by institutions · 102% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.75B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
34%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
12
New positions
63
Positions exited
31
Added to
121
Reduced
99
Top 10 holdersof the company
48%
Institutional ownership by quarter, 2023Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q134783.6M$4.75B
2025Q430983.5M$4.34B
2025Q328882.8M$3.73B
2025Q227583.3M$3.04B
2025Q127282.8M$3.04B
2024Q428383.4M$3.27B
2024Q327783.7M$3.15B
2024Q223487.6M$2.52B
2024Q122887.4M$2.82B
2023Q49327.3M$640M
2023Q38122.7M$472M
2023Q26617.6M$386M
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC7.9M9.7%$451M
BlackRock Inc.6.8M8.3%$387M
FMR LLC4.9M6.0%$280M
PRICE T ROWE ASSOCIATES INC /MD/4.5M5.5%$255M
Invesco Ltd.3.3M4.1%$190M
GOLDMAN SACHS GROUP INC3.3M4.0%$187M
GEODE CAPITAL MANAGEMENT LLC2.6M3.2%$150M
FIRST TRUST ADVISORS LP2.2M2.7%$125M
STATE STREET CORP1.9M2.3%$108M
MORGAN STANLEY1.7M2.1%$99M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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