Ownership history in PEAK6 Group LLC · 53 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in COSTAR GROUP INC COM (CSGP). 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 Q2 | ADDED | 7,000 | +5,100 | +268.4% | 0.01% | $2.9M | $41.26 |
| 2018 Q2 | ADDED | 1,900 | +1,841 | +3120.3% | 0.00% | $784K | $41.26 |
| 2018 Q1 | REDUCED | 59 | -841 | -93.4% | 0.00% | $21K | $36.27 |
| 2018 Q1 | ADDED | 900 | +400 | +80.0% | 0.00% | $326K | $36.27 |
| 2018 Q1 | REDUCED | 500 | -2,600 | -83.9% | 0.00% | $181K | $36.27 |
| 2017 Q4 | REDUCED | 3,100 | -4,300 | -58.1% | 0.00% | $921K | $29.69 |
| 2017 Q4 | ADDED | 7,400 | +6,848 | +1240.6% | 0.01% | $2.2M | $29.69 |
| 2017 Q4 | REDUCED | 552 | -7,548 | -93.2% | 0.00% | $164K | $29.69 |
| 2017 Q3 | ADDED | 8,100 | +3,100 | +62.0% | 0.01% | $2.2M | $26.83 |
| 2017 Q3 | REDUCED | 5,000 | -8,700 | -63.5% | 0.01% | $1.3M | $26.83 |
As of 2025 Q4 — sorted by position size