CASTLEARK MANAGEMENT LLC
Position in ALSN — Allison Transmission Holdings Inc
CIK 1106832
CHICAGO, IL
Position in ALSN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,926,747
+$3,235,383 QoQ
Shares Held
50,630
+11.1% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALSN Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026CASTLEARK MANAGEMENT LLC holds $38,017,961 across 6 Auto Parts names. ALSN ranks #5 (15.6% 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.
|
119,350 | $6,775,499 | |
| 5 | ALSN |
Allison Transmission Holdings Inc
This page
|
50,630 | $5,926,747 | |
| 6 | GNTX |
Gentex Corp
|
8,620 | $188,347 |
All Filings in ALSN
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,926,747 | 50,630 | Shares | Sole | 2026-05-15 | |
| 2023-09-30 | $2,691,364 | 45,570 | Shares | Sole | 2023-11-15 | |
| 2023-06-30 | $3,253,789 | 57,630 | Shares | Sole | 2023-08-16 | |
| 2023-03-31 | $3,519,219 | 77,790 | Shares | Sole | 2023-05-16 | |
| 2022-12-31 | $4,066,816 | 97,760 | Shares | Sole | 2023-02-10 | |
| No filing history on record for this holder in this stock. | ||||||