Ownership history in PEAK6 Group LLC · 10 quarters on record
This page tracks every 13F SEC filing in which PEAK6 Group LLC reported a position in SPOK HLDGS INC (SPOK). 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 | ADDED | 7,111 | +2,611 | +58.0% | 0.00% | $106K | $8.17 |
| 2018 Q1 | REDUCED | 4,500 | -18,800 | -80.7% | 0.00% | $67K | $8.17 |
| 2018 Q1 | ADDED | 23,300 | +18,300 | +366.0% | 0.00% | $348K | $8.17 |
| 2017 Q4 | REDUCED | 5,000 | -3,338 | -40.0% | 0.00% | $78K | $8.48 |
| 2017 Q4 | REDUCED | 8,338 | -31,062 | -78.8% | 0.00% | $130K | $8.48 |
| 2017 Q4 | ADDED | 39,400 | +37,500 | +1973.7% | 0.00% | $617K | $8.48 |
| 2015 Q2 | REDUCED | 1,900 | -8,600 | -81.9% | 0.00% | $32K | $8.32 |
| 2015 Q2 | REDUCED | 10,500 | -16,200 | -60.7% | 0.00% | $177K | $8.32 |
| 2015 Q1 | ADDED | 26,700 | +400 | +1.5% | 0.00% | $512K | $9.40 |
| 2014 Q4 | INITIATED | 26,300 | — | — | 0.00% | $457K | $8.45 |
As of 2025 Q4 — sorted by position size