CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in ATMU — Atmus Filtration Technologies Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in ATMU
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$5,533,144
+$1,454,264 QoQ
Shares Held
97,466
+24.0% QoQ
Ownership
0.119%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATMU Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $358,339,762 across 39 Auto Parts names. ATMU ranks #12 (1.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ORLY |
O Reilly Automotive Inc
|
1,287,318 | $118,832,324 | |
| 2 | AZO |
Autozone Inc
|
24,841 | $83,907,432 | |
| 3 | APTV |
Aptiv PLC
|
319,454 | $22,182,885 | |
| 4 | GPC |
Genuine Parts Co
|
171,130 | $18,096,997 | |
| 5 | BWA |
Borgwarner Inc
|
249,452 | $13,535,265 | |
| 6 | MOD |
Modine Manufacturing Co
|
58,736 | $12,728,678 | |
| 7 | ALSN |
Allison Transmission Holdings Inc
|
97,486 | $11,411,711 | |
| 8 | LKQ |
Lkq Corp
|
299,663 | $8,801,102 |
All Filings in ATMU
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,533,144 | 97,466 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $4,078,880 | 78,576 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,493,437 | 77,477 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,032,948 | 83,277 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,050,095 | 83,041 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,055,099 | 77,976 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $2,960,516 | 78,884 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $2,341,109 | 81,345 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $793,092 | 24,592 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $417,205 | 17,761 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $385,099 | 18,470 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||