Position in GNTX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$188,347
-$12,240 QoQ
Shares Held
8,620
0.0% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GNTX 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. GNTX ranks #6 (0.5% 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
|
50,630 | $5,926,747 | |
| 6 | GNTX |
Gentex Corp
This page
|
8,620 | $188,347 |
All Filings in GNTX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $188,347 | 8,620 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $200,587 | 8,620 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $243,946 | 8,620 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $189,553 | 8,620 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $200,846 | 8,620 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $247,652 | 8,620 | Shares | Sole | 2025-02-18 | |
| 2024-09-30 | $255,927 | 8,620 | Shares | Sole | 2024-11-15 | |
| 2024-06-30 | $3,385,158 | 100,420 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $3,838,833 | 106,280 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $3,890,785 | 119,130 | Shares | Sole | 2024-02-15 | |
| 2023-09-30 | $3,881,371 | 119,280 | Shares | Sole | 2023-11-15 | |
| 2023-06-30 | $252,221 | 8,620 | Shares | Sole | 2023-08-16 | |
| 2023-03-31 | $241,618 | 8,620 | Shares | Sole | 2023-05-16 | |
| 2022-12-31 | $235,067 | 8,620 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $205,500 | 8,620 | Shares | Sole | 2022-11-15 | |
| 2022-06-30 | $241,101 | 8,620 | Shares | Sole | 2022-08-16 | |
| 2022-03-31 | $251,445 | 8,620 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $300,407 | 8,620 | Shares | Sole | 2022-02-16 | |
| 2021-09-30 | $284,287 | 8,620 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $285,235 | 8,620 | Shares | Sole | 2021-08-17 | |
| 2021-03-31 | $307,475 | 8,620 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $9,635,203 | 283,973 | Shares | Sole | 2021-02-17 | |
| 2020-09-30 | $8,544,828 | 331,838 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $222,137 | 8,620 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $191,019 | 8,620 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||