Ownership history in GROUP ONE TRADING LLC · 11 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in GEOSPACE TECHNOLOGIES CORP (GEOS). 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 | 996 | -116 | -10.4% | 0.00% | $19K | $18.96 |
| 2025 Q2 | REDUCED | 1,112 | -209 | -15.8% | 0.00% | $16K | $14.26 |
| 2024 Q3 | UNCHANGED | 1,321 | — | 0% | 0.00% | $14K | $10.34 |
| 2024 Q2 | REDUCED | 1,321 | -2,800 | -67.9% | 0.00% | $12K | $8.98 |
| 2024 Q1 | ADDED | 4,121 | +2,406 | +140.3% | 0.00% | $54K | $13.19 |
| 2017 Q2 | ADDED | 1,715 | +1,051 | +158.3% | 0.00% | $24K | $13.83 |
| 2017 Q1 | REDUCED | 664 | -5,646 | -89.5% | 0.00% | $11K | $16.23 |
| 2014 Q4 | ADDED | 6,310 | +2,610 | +70.5% | 0.00% | $167K | $26.50 |
| 2014 Q3 | ADDED | 3,700 | +2,100 | +131.2% | 0.00% | $130K | $35.15 |
| 2013 Q3 | ADDED | 1,600 | +1,550 | +3100.0% | 0.00% | $135K | $84.28 |
As of 2025 Q4 — sorted by position size