CASTLEARK MANAGEMENT LLC
Position in ATMU — Atmus Filtration Technologies Inc.
CIK 1106832
CHICAGO, IL
Position in ATMU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$6,775,499
New position
Shares Held
119,350
first reported quarter
Ownership
0.146%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026CASTLEARK MANAGEMENT LLC holds $38,017,961 across 6 Auto Parts names. ATMU ranks #4 (17.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GTX |
Garrett Motion Inc.
|
488,000 | $8,866,960 | |
| 2 | MOD |
Modine Manufacturing Co
|
37,850 | $8,202,473 | |
| 3 | BWA |
Borgwarner Inc
|
148,506 | $8,057,935 | |
| 4 | ATMU |
Atmus Filtration Technologies Inc.
This page
|
119,350 | $6,775,499 | |
| 5 | ALSN |
Allison Transmission Holdings Inc
|
50,630 | $5,926,747 | |
| 6 | GNTX |
Gentex Corp
|
8,620 | $188,347 |
All Filings in ATMU
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,775,499 | 119,350 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||