Ownership history in PEAK6 Group LLC · 44 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in BERKLEY W R CORP COM (WRB). 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) |
|---|---|---|---|---|---|---|---|
| 2018 Q1 | REDUCED | 200 | -8,100 | -97.6% | 0.00% | $15K | $18.03 |
| 2018 Q1 | REDUCED | 8,300 | -1,700 | -17.0% | 0.00% | $603K | $18.03 |
| 2017 Q1 | ADDED | 10,000 | +9,900 | +9900.0% | 0.01% | $706K | $17.12 |
| 2017 Q1 | ADDED | 100 | +47 | +88.7% | 0.00% | $7K | $17.12 |
| 2017 Q1 | REDUCED | 53 | -147 | -73.5% | 0.00% | $4K | $17.12 |
| 2016 Q4 | REDUCED | 200 | -4,800 | -96.0% | 0.00% | $13K | $16.09 |
| 2016 Q4 | REDUCED | 5,000 | -7,500 | -60.0% | 0.00% | $333K | $16.09 |
| 2016 Q4 | ADDED | 12,500 | +12,200 | +4066.7% | 0.01% | $831K | $16.09 |
| 2016 Q2 | REDUCED | 300 | -3,100 | -91.2% | 0.00% | $18K | $14.18 |
| 2016 Q2 | ADDED | 3,400 | +3,100 | +1033.3% | 0.00% | $204K | $14.18 |
As of 2025 Q4 — sorted by position size