Ownership history in ACK Asset Management LLC · 43 quarters on record
This page tracks every 13F SEC filing in which ACK Asset Management LLC reported a position in ROGERS CORP COM (ROG). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 436,707 | -80,793 | -15.6% | 5.02% | $40.0M | $91.57 |
| 2025 Q1 | REDUCED | 517,500 | -62,500 | -10.8% | 5.74% | $34.9M | $67.53 |
| 2024 Q4 | REDUCED | 580,000 | -10,000 | -1.7% | 7.90% | $58.9M | $101.61 |
| 2024 Q3 | UNCHANGED | 590,000 | — | 0% | 8.24% | $66.7M | $113.01 |
| 2024 Q2 | ADDED | 590,000 | +70,000 | +13.5% | 8.78% | $71.2M | $120.61 |
| 2024 Q1 | ADDED | 520,000 | +109,800 | +26.8% | 7.19% | $61.7M | $118.69 |
| 2023 Q4 | ADDED | 410,200 | +40,200 | +10.9% | 6.52% | $54.2M | $132.07 |
| 2023 Q3 | REDUCED | 370,000 | -5,535,000 | -93.7% | 7.07% | $48.6M | $131.47 |
| 2023 Q2 | ADDED | 5,905,000 | +5,535,000 | +1495.9% | 2.82% | $22.6M | $161.93 |
| 2023 Q1 | UNCHANGED | 370,000 | — | 0% | 9.23% | $60.5M | $163.43 |
As of 2025 Q4 — sorted by position size