Ownership history in ACK Asset Management LLC · 13 quarters on record
This page tracks every 13F SEC filing in which ACK Asset Management LLC reported a position in ATS (ATS). 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 | UNCHANGED | 1,846,196 | — | 0% | 6.38% | $50.8M | $27.54 |
| 2025 Q3 | UNCHANGED | 1,846,196 | — | 0% | 6.05% | $48.4M | $26.20 |
| 2025 Q2 | REDUCED | 1,846,196 | -167,000 | -8.3% | 7.73% | $58.9M | $31.88 |
| 2025 Q1 | REDUCED | 2,013,196 | -80,000 | -3.8% | 8.24% | $50.2M | $24.93 |
| 2024 Q4 | REDUCED | 2,093,196 | -162,693 | -7.2% | 8.55% | $63.8M | $30.48 |
| 2024 Q3 | ADDED | 2,255,889 | +255,889 | +12.8% | 8.10% | $65.5M | $29.05 |
| 2024 Q2 | ADDED | 2,000,000 | +460,000 | +29.9% | 7.97% | $64.6M | $32.31 |
| 2024 Q1 | ADDED | 1,540,000 | +235,020 | +18.0% | 6.05% | $51.9M | $33.72 |
| 2023 Q4 | ADDED | 1,304,980 | +83,639 | +6.8% | 6.76% | $56.2M | $43.07 |
| 2023 Q3 | UNCHANGED | 1,221,341 | — | 0% | 7.56% | $52.1M | $42.62 |
As of 2025 Q4 — sorted by position size