Institutional Fund
Ack Asset Management LLC
Greenwich, CTCIK 15109405 filings on record
Portfolio Value
$801.14M
Q1 2026
Holdings
20
Reported positions
New Buys
3
Opened this quarter
QoQ Change
+0.6%
from $796.76M
Portfolio Value Trend
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeTop Allocations
Largest positions by weight
- Materion Corp8.6%
- Advanced Drain Sys Inc Del6.7%
- Ats Corporation6.5%
- Rogers Corp6.4%
- Helios Technologies Inc6.3%
- Littelfuse Inc5.7%
- Other59.9%
Portfolio Holdings
20 positions · Q1 2026
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Materion Corp | 474.8K | $68.68M | 8.6% | 0 | Held |
| 2 | Advanced Drain Sys Inc Del | 390.0K | $53.48M | 6.7% | 0 | Held |
| 3 | Ats Corporation | 1.85M | $52.06M | 6.5% | 0 | Held |
| 4 | Rogers Corp | 475.0K | $50.98M | 6.4% | +38.3K | Added |
| 5 | Helios Technologies Inc | 780.4K | $50.50M | 6.3% | 0 | Held |
| 6 | Littelfuse Inc | 135.0K | $45.81M | 5.7% | +135.0K | New |
| 7 | Core & Main Inc | 900.0K | $44.46M | 5.5% | 0 | Held |
| 8 | Novanta Inc | 375.0K | $44.29M | 5.5% | 0 | Held |
| 9 | Siteone Landscape Supply Inc | 330.0K | $43.93M | 5.5% | 0 | Held |
| 10 | Astec Inds Inc | 786.5K | $42.35M | 5.3% | 0 | Held |
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