Ack Asset Management Llc Portfolio Stock Holdings
According to the SEC 13F filed on August 13, 2026, Ack Asset Management Llc disclosed 20 stock positions valued at approximately $856.33M as of quarter-end June 30, 2026. The largest holdings include WMS, HLIO, and LFUS.
- Report Period
- June 30, 2026
- No. of Stocks
- 20
- Portfolio Value
- $856.33M
Holdings by Sector
Ack Asset Management Llc Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| WMS | WMS | Industrials | 7.15% | 390,000 | - | - | $61,214,400 |
| HLIO | HLIO | Industrials | 7.10% | 681,000 | -99,378 | -12.73% | $60,779,250 |
| LFUS | LFUS | Technology | 6.65% | 125,000 | -10,000 | -7.41% | $56,916,250 |
| JHX | JHIUF | Other | 6.42% | 2,100,000 | - | - | $54,978,000 |
| GTX | GTX | Consumer Cyclical | 6.35% | 1,500,000 | +1,500,000 | +100.00% | $54,345,000 |
| CNM | CNM | Industrials | 6.14% | 1,090,000 | +190,000 | +21.11% | $52,592,500 |
| EXP | EXP | Basic Materials | 5.78% | 220,000 | +55,000 | +33.33% | $49,500,000 |
| ATS | ATS | Industrials | 5.04% | 1,500,000 | -346,196 | -18.75% | $43,170,000 |
| ASTE | ASTE | Industrials | 4.93% | 690,276 | -96,224 | -12.23% | $42,237,988 |
| MTRN | MTRN | Basic Materials | 4.69% | 135,000 | -339,800 | -71.57% | $40,147,650 |
| BWA | BWA | Consumer Cyclical | 4.65% | 600,000 | +600,000 | +100.00% | $39,840,000 |
| DNOW | DNOW | Industrials | 4.54% | 3,000,000 | +3,000,000 | +100.00% | $38,910,000 |
| MBC | MBC | Consumer Cyclical | 4.45% | 3,700,000 | - | - | $38,073,000 |
| SITE | SITE | Industrials | 4.41% | 330,000 | - | - | $37,755,300 |
| SWIM | SWIM | Industrials | 4.28% | 5,660,000 | +500,000 | +9.69% | $36,620,200 |
| CLFD | CLFD | Technology | 3.76% | 810,200 | +75,000 | +10.20% | $32,237,858 |
| ST | ST | Other | 3.34% | 600,000 | +600,000 | +100.00% | $28,644,000 |
| SHLS | SHLS | Technology | 2.61% | 2,255,000 | +2,255,000 | +100.00% | $22,324,500 |
| EQPT | EQPT | Other | 2.44% | 1,064,830 | +1,064,830 | +100.00% | $20,934,558 |
| MEI | MEI | Technology | 1.94% | 877,500 | +877,500 | +100.00% | $16,646,175 |
Showing 20 of 20 holdings in the latest reporting period.