Ownership history in GROUP ONE TRADING LLC · 24 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in POST HLDGS INC (POST). 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 | ADDED | 1,946 | +770 | +65.5% | 0.00% | $209K | $107.48 |
| 2025 Q2 | UNCHANGED | 1,176 | — | 0% | 0.00% | $128K | $109.03 |
| 2025 Q1 | REDUCED | 1,176 | -938 | -44.4% | 0.00% | $137K | $116.36 |
| 2022 Q4 | ADDED | 2,114 | +466 | +28.3% | 0.00% | $191K | $90.26 |
| 2022 Q3 | REDUCED | 1,648 | -7,267 | -81.5% | 0.00% | $135K | $81.91 |
| 2022 Q2 | ADDED | 8,915 | +7,915 | +791.5% | 0.00% | $734K | $82.35 |
| 2021 Q2 | ADDED | 1,000 | +963 | +2602.7% | 0.00% | $108K | $70.99 |
| 2020 Q4 | REDUCED | 37 | -20,733 | -99.8% | 0.00% | $4K | $66.11 |
| 2018 Q4 | REDUCED | 20,770 | -2,719 | -11.6% | 0.02% | $1.9M | $58.33 |
| 2018 Q3 | ADDED | 23,489 | +3,343 | +16.6% | 0.02% | $2.3M | $64.16 |
As of 2025 Q4 — sorted by position size