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 MEDNAX INC COM COM (MD). 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 | REDUCED | 6,259 | -11,011 | -63.8% | 0.00% | $271K | $43.28 |
| 2018 Q1 | ADDED | 17,270 | +11,470 | +197.8% | 0.00% | $961K | $55.63 |
| 2018 Q1 | REDUCED | 5,800 | -52,800 | -90.1% | 0.00% | $323K | $55.63 |
| 2017 Q4 | ADDED | 58,600 | +42,900 | +273.2% | 0.01% | $3.1M | $53.44 |
| 2017 Q4 | REDUCED | 15,700 | -27,300 | -63.5% | 0.00% | $839K | $53.44 |
| 2017 Q3 | ADDED | 43,000 | +5,100 | +13.5% | 0.01% | $1.9M | $43.12 |
| 2017 Q3 | ADDED | 37,900 | +23,518 | +163.5% | 0.01% | $1.6M | $43.12 |
| 2017 Q3 | REDUCED | 14,382 | -718 | -4.8% | 0.00% | $620K | $43.12 |
| 2017 Q2 | REDUCED | 15,100 | -15,400 | -50.5% | 0.01% | $912K | $60.37 |
| 2017 Q2 | ADDED | 30,500 | +26,100 | +593.2% | 0.01% | $1.8M | $60.37 |
As of 2025 Q4 — sorted by position size