13F HOLDINGS REPORT
ACK Asset Management LLC
Quarter ended Q4 2025 · Filed February 13, 2026 · Accession 0001510940-26-000001
Total Value
$796.8M
Positions
23
Other Managers
0
Confidential Omitted
No
Holdings (23)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | MTRN | MTRN | 474,800 | $59.0M | 7.41% |
| 2 | GVA | GVA | 500,000 | $57.7M | 7.24% |
| 3 | WMS | 00790R104 | 390,000 | $56.5M | 7.09% |
| 4 | ATS | ATS | 1,846,196 | $50.8M | 6.38% |
| 5 | CNM | CNM | 900,000 | $46.8M | 5.87% |
| 6 | ENS | ENS | 304,324 | $44.7M | 5.61% |
| 7 | NOVT | NOVTU | 375,000 | $44.6M | 5.60% |
| 8 | JHX | G4253H101 | 2,100,000 | $43.6M | 5.47% |
| 9 | HLIO | HLIO | 780,378 | $41.7M | 5.24% |
| 10 | SITE | SITE | 330,000 | $41.1M | 5.16% |
| 11 | ROG | ROG | 436,707 | $40.0M | 5.02% |
| 12 | EXP | 26969P108 | 165,000 | $34.1M | 4.28% |
| 13 | ASTE | 046224101 | 786,500 | $34.1M | 4.28% |
| 14 | ATRO | ATROB | 597,469 | $32.4M | 4.07% |
| 15 | AIN | 012348108 | 600,000 | $30.4M | 3.82% |
| 16 | APOG | APOG | 813,000 | $29.6M | 3.72% |
| 17 | DXPE | DXPE | 240,000 | $26.3M | 3.31% |
| 18 | MBC | MBC | 2,300,000 | $25.4M | 3.19% |
| 19 | CDNL | CDNL | 844,591 | $20.4M | 2.56% |
| 20 | CLFD | CLFD | 625,200 | $18.2M | 2.29% |
| 21 | ERII | ERII | 677,251 | $9.1M | 1.15% |
| 22 | AERO-SWX | H55555108 | 154,851 | $5.5M | 0.69% |
| 23 | CTOS | CTOS | 800,136 | $4.6M | 0.58% |