§ MACHINERY
USD · MachineryATMU
ATMUS FILTRATION TECHNOLOGIE
USDSector · MachineryBeta · 1.64
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
180 increased/new, 108 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 22.6 | P/B | 11.18 |
| EPS (TTM) | 2.51 | Dividend | 0.37% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 6.8M | 0.0% | +1% |
| Fidelity Management | 4.9M | 0.0% | +12% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | n/a | n/a |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.6M | n/a | n/a |
| Goldman Sachs | 3.3M | 0.0% | n/a |
| Geode Capital Management | 2.6M | 0.0% | +9% |
◇ AC INTELLIGENCE
Top institutional owners for ATMU as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER48.4% · 253 holders
PASSIVE / INDEX20.0% · 11 holders
QUALITY / COMPOUNDER19.7% · 22 holders
DEALER / BANK13.4% · 28 holders
INCOME / DEFENSIVE3.2% · 19 holders
SYSTEMATIC / QUANT2.4% · 13 holders
ACTIVIST2.0% · 1 holder
TACTICAL / MACRO0.5% · 3 holders
DEEP VALUE0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for ATMU in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention ATMU yet.