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CIK: 0001510940
Total reported value
$856.3M
$856.3M
21 檔
33.1%
As reported in its official Q2 2025 Form 13F filing, ACK Asset Management LLC's tracked investment portfolio stood at $856.3M with 21 total positions.
ACK Asset Management LLC executed strategic sector rebalancing during Q2 2025, establishing 6 new positions while fully exiting 5 holdings and trimming 9 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ATRO | Astronics CORP | Stock-Other | 9.06% | — | — | |
| 2 | ATS | Ats CORP | Stock-Other | 7.73% | -1.46% | -8.30% | |
| 3 | DY | Dycom Industries Inc | Stock-Industrials | 7.21% | — | -41.30% | |
| 4 | GVA | Granite Construction Inc | Stock-Industrials | 6.69% | -3.74% | EXIT | |
| 5 | ENS | Enersys | Stock-Industrials | 6.58% | — | -6.41% | |
| 6 | MYRG | Myr Group Inc/delaware | Stock-Industrials | 6.32% | — | -4.98% | |
| 7 | CTRI | Centuri Holdings Inc | Stock-Other | 5.99% | — | +66.48% | |
| 8 | JBTM | Jbt Marel CORP | Stock-Industrials | 5.54% | — | -5.21% | |
| 9 | MTRN | Materion CORP | Stock-Other | 5.47% | -3.88% | +14.29% | |
| 10 | AIN | Albany Intl Corp-cl A | Stock-Other | 5.39% | — | — | |
| 11 | RRX | Regal Rexnord CORP | Stock-Industrials | 5.24% | — | — | |
| 12 | WMS | Advanced Drainage Systems In | Stock-Industrials | 5.20% | +0.47% | — | |
| 13 | 37M | Mrc Global Inc | Stock-Other | 4.08% | — | +44.86% | |
| 14 | SITE | Siteone Landscape Supply Inc | Stock-Industrials | 3.97% | -1.07% | +150.00% | |
| 15 | MIR | Mirion Technologies Inc | Stock-Industrials | 3.78% | — | -17.39% | |
| 16 | CLFD | Clearfield Inc | Stock-Other | 3.56% | +1.33% | -9.02% | |
| 17 | MTZ | Mastec Inc | Stock-Industrials | 2.80% | — | -72.98% | |
| 18 | MTRX | Matrix Service Co | Stock-Other | 1.93% | — | -8.19% | |
| 19 | NPKI | Npk International Inc | Stock-Other | 1.37% | — | — | |
| 20 | CTOS | Custom Truck One Source Inc | Stock-Other | 1.22% | — | — | |
| 21 | DXPE | Dxp Enterprises Inc | Stock-Other | 0.87% | -4.53% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AIN | Albany Intl Corp-cl A | +5.4% | NEW | New buy |
| 2 | RRX | Regal Rexnord CORP | +5.2% | NEW | New buy |
| 3 | WMS | Advanced Drainage Systems In | +5.2% | NEW | New buy |
| 4 | GVA | Granite Construction Inc | +4.3% | +185.79% | Add |
| 5 | CTRI | Centuri Holdings Inc | +2.7% | +66.48% | Add |
| 6 | SITE | Siteone Landscape Supply Inc | +2% | +150.00% | Add |
| 7 | NPKI | Npk International Inc | +1.4% | NEW | New buy |
| 8 | CTOS | Custom Truck One Source Inc | +1.2% | NEW | New buy |
| 9 | MYRG | Myr Group Inc/delaware | +1.1% | -4.98% | Trim |
| 10 | 37M | Mrc Global Inc | +1.1% | +44.86% | Add |
| 11 | ATRO | Astronics CORP | +0.9% | — | Unchanged |
| 12 | DXPE | Dxp Enterprises Inc | +0.9% | NEW | New buy |
| 13 | CLFD | Clearfield Inc | +0.2% | -9.02% | Trim |
| 14 | MIR | Mirion Technologies Inc | -0.1% | -17.39% | Trim |
| 15 | MTRX | Matrix Service Co | -0.5% | -8.19% | Trim |
| 16 | ATS | Ats CORP | -0.5% | -8.30% | Trim |
| 17 | MTRN | Materion CORP | -0.7% | +14.29% | Add |
| 18 | LASR | Nlight Inc | -1% | EXIT | Sold out |
| 19 | JBTM | Jbt Marel CORP | -1.9% | -5.21% | Trim |
| 20 | DY | Dycom Industries Inc | -2.4% | -41.30% | Trim |
| 21 | MBC | Masterbrand Inc | -2.8% | EXIT | Sold out |
| 22 | BIRDF | Bird Construction Inc | -2.8% | EXIT | Sold out |
| 23 | ENS | Enersys | -2.8% | -6.41% | Trim |
| 24 | CECO | Ceco Environmental CORP | -4.5% | EXIT | Sold out |
| 25 | ROG | Rogers CORP | -5.7% | EXIT | Sold out |
| 26 | MTZ | Mastec Inc | -6.1% | -72.98% | Trim |
According to official SEC Form 13F filings, ACK Asset Management LLC reported a total U.S. public equity portfolio value of $856.3M across 21 disclosed positions in Q2 2025.
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In terms of portfolio concentration, the top 5 core holdings (including ATRO, ATS, DY) accounted for 33.1% of total reported equity market value during Q2 2025.
Top New Position Initiated
AIN
市值: $41.0M
Top Position Liquidated / Trimmed
ROG
前期市值: $34.9M
During Q2 2025, ACK Asset Management LLC's top holdings by market value included ATRO (9.1%)、ATS (7.7%)、DY (7.2%). The largest single position, ATRO, represented 9.1% of total portfolio value.
In Q2 2025, ACK Asset Management LLC made 25 total portfolio adjustments, initiating 6 new buys, adding to 5 positions, trimming 9 holdings, and fully liquidating 5 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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