Ownership history in PEAK6 LLC · 8 quarters on record
This page tracks every 13F SEC filing in which PEAK6 LLC reported a position in CORE NATURAL RESOURCES INC (CNR). 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 | 798 | -4,302 | -84.4% | 0.00% | $71K | $88.40 |
| 2025 Q4 | UNCHANGED | 5,100 | — | 0% | 0.00% | $451K | $88.40 |
| 2025 Q3 | REDUCED | 5,100 | -156,500 | -96.8% | 0.00% | $426K | $83.27 |
| 2025 Q3 | ADDED | 161,600 | +147,300 | +1030.1% | 0.02% | $13.5M | $83.27 |
| 2025 Q2 | ADDED | 14,300 | +7,383 | +106.7% | 0.00% | $997K | $69.47 |
| 2025 Q1 | REDUCED | 6,917 | -5,783 | -45.5% | 0.00% | $533K | $76.69 |
| 2025 Q1 | REDUCED | 12,700 | -6,200 | -32.8% | 0.00% | $979K | $76.69 |
| 2025 Q1 | INITIATED | 18,900 | — | — | 0.00% | $1.5M | $76.69 |
As of 2025 Q4 — sorted by position size