Ownership history in PEAK6 LLC · 5 quarters on record
This page tracks every 13F SEC filing in which PEAK6 LLC reported a position in CECO ENVIRONMENTAL CORP (CECO). 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 Q3 | REDUCED | 56 | -6,444 | -99.1% | 0.00% | $3K | $51.20 |
| 2025 Q3 | UNCHANGED | 6,500 | — | 0% | 0.00% | $333K | $51.20 |
| 2025 Q2 | REDUCED | 6,500 | -43,500 | -87.0% | 0.00% | $184K | $28.31 |
| 2025 Q2 | UNCHANGED | 50,000 | — | 0% | 0.00% | $1.4M | $28.31 |
| 2025 Q1 | INITIATED | 50,000 | — | — | 0.00% | $1.1M | $22.80 |
As of 2025 Q4 — sorted by position size