Ack Asset Management
$828M 13F equity value
26 Holdings
Quarter ended June 30, 2026
The latest 13F on file for Ack Asset Management covers the quarter ended June 30, 2026. Institutional managers report holdings quarterly to the SEC, so each filing is a snapshot of positions held on that date.
Top Holdings
| Ticker | Company | Shares | Value | Weight |
|---|---|---|---|---|
| WMS | WMS | 390,000 | $61M | 7.4% |
| HLIO | HLIO | 681,000 | $61M | 7.3% |
| LFUS | LFUS | 125,000 | $57M | 6.9% |
| JHX | JHX | 2,100,000 | $55M | 6.6% |
| GTX | GTX | 1,500,000 | $54M | 6.6% |
| CNM | CNM | 1,090,000 | $53M | 6.4% |
| EXP | EXP | 220,000 | $50M | 6.0% |
| ATS | ATS | 1,500,000 | $43M | 5.2% |
| ASTE | ASTE | 690,276 | $42M | 5.1% |
| MTRN | MTRN | 135,000 | $40M | 4.8% |
Track Ack Asset Management's 13F portfolio: $828M in reported holdings, 26 positions. Top holdings and quarterly changes on SentiSense.
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