Ownership history in GROUP ONE TRADING LLC · 29 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in ESPERION THERAPEUTICS INC NE (ESPR). 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 Q3 | REDUCED | 162,589 | -65,536 | -28.7% | 0.00% | $431K | $2.65 |
| 2025 Q2 | ADDED | 228,125 | +78,404 | +52.4% | 0.00% | $225K | $0.98 |
| 2025 Q1 | ADDED | 149,721 | +52,587 | +54.1% | 0.00% | $216K | $1.44 |
| 2024 Q4 | REDUCED | 97,134 | -86,517 | -47.1% | 0.00% | $214K | $2.20 |
| 2024 Q3 | ADDED | 183,651 | +166,198 | +952.3% | 0.00% | $303K | $1.65 |
| 2024 Q2 | REDUCED | 17,453 | -103,306 | -85.5% | 0.00% | $39K | $2.22 |
| 2024 Q1 | REDUCED | 120,759 | -190,019 | -61.1% | 0.00% | $324K | $2.68 |
| 2023 Q3 | REDUCED | 310,778 | -11,028 | -3.4% | 0.00% | $305K | $0.98 |
| 2023 Q2 | REDUCED | 321,806 | -25,104 | -7.2% | 0.00% | $447K | $1.39 |
| 2023 Q1 | ADDED | 346,910 | +85,559 | +32.7% | 0.00% | $552K | $1.59 |
As of 2025 Q4 — sorted by position size