Q2 2025 · 13F-HR
ACK Asset Management LLCholdings as filed
Filed 2025-08-13 · accession 0001510940-25-000005
$761.4M
Reported value
21
Positions
2025-06-30
Period end
The Brief · ACK Asset Management LLC · Q2 2025
AI · grounded in 13F
ACK Asset Management LLC established a new position in ATRO valued at $68.97M. The fund also initiated new stakes in ATS for $58.86M and DY for $54.91M. Additional new positions include GVA at $50.96M and ENS at $50.12M. Total assets under management stand at $761.43M across 21 positions.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 046433108 | ATRO | ATRO | $69.0M | 9.06% | 2,060,000 | Common | SOLE |
| 00217Y104 | ATS | ATS | $58.9M | 7.73% | 1,846,196 | Common | SOLE |
| 267475101 | DY | DY | $54.9M | 7.21% | 224,700 | Common | SOLE |
| 387328107 | GVA | GVA | $51.0M | 6.69% | 545,000 | Common | SOLE |
| 29275Y102 | ENS | ENS | $50.1M | 6.58% | 584,324 | Common | SOLE |
| 55405W104 | MYRG | MYRG | $48.1M | 6.32% | 265,200 | Common | SOLE |
| 155923105 | CTRI | CTRI | $45.6M | 5.99% | 2,032,000 | Common | SOLE |
| 477839104 | JBTM | JBTM | $42.2M | 5.54% | 350,546 | Common | SOLE |
| 576690101 | MTRN | MTRN | $41.7M | 5.47% | 524,800 | Common | SOLE |
| 012348108 | AIN | AIN | $41.0M | 5.39% | 585,000 | Common | SOLE |
| 758750103 | RRX | RRX | $39.9M | 5.24% | 275,000 | Common | SOLE |
| 00790R104 | WMS | WMS | $39.6M | 5.20% | 345,000 | Common | SOLE |
| 55345K103 | 37M | MRC | $31.1M | 4.08% | 2,267,000 | Common | SOLE |
| 82982L103 | SITE | SITE | $30.2M | 3.97% | 250,000 | Common | SOLE |
| 60471A101 | MIR | MIR | $28.8M | 3.78% | 1,337,000 | Common | SOLE |
| 18482P103 | CLFD | CLFD | $27.1M | 3.56% | 625,200 | Common | SOLE |
| 576323109 | MTZ | MTZ | $21.3M | 2.80% | 125,000 | Common | SOLE |
| 576853105 | MTRX | MTRX | $14.7M | 1.93% | 1,087,100 | Common | SOLE |
| 651718504 | NPKI | NPKI | $10.4M | 1.37% | 1,226,808 | Common | SOLE |
| 23204X103 | CTOS | CTOS | $9.3M | 1.22% | 1,875,000 | Common | SOLE |
| 233377407 | DXPE | DXPE | $6.6M | 0.87% | 75,600 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.