FRONTIER CAPITAL MANAGEMENT CO LLC
Position in ATMU — Atmus Filtration Technologies Inc.
CIK 351173
Boston, MA
Position in ATMU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$42,135,886
+$8,209,898 QoQ
Shares Held
742,221
+13.6% QoQ
Ownership
0.909%
of shares outstanding
% of Portfolio
0.43%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 35%
Shared 0%
None 65%
Common Shares in ATMU Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026FRONTIER CAPITAL MANAGEMENT CO LLC holds $142,027,489 across 6 Auto Parts names. ATMU ranks #3 (29.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GTX |
Garrett Motion Inc.
|
2,675,133 | $48,607,166 | |
| 2 | MOD |
Modine Manufacturing Co
|
204,039 | $44,217,291 | |
| 3 | ATMU |
Atmus Filtration Technologies Inc.
This page
|
742,221 | $42,135,886 | |
| 4 | THRM |
Gentherm Inc
|
237,152 | $6,588,082 | |
| 5 | LKQ |
Lkq Corp
|
8,916 | $261,862 | |
| 6 | BWA |
Borgwarner Inc
|
4,003 | $217,202 |
All Filings in ATMU
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,135,886 | 742,221 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $33,925,988 | 653,554 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $16,621,346 | 368,626 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $12,357,415 | 339,303 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $9,247,512 | 251,770 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $13,811,968 | 352,526 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $7,805,601 | 207,983 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||