Ownership history in GROUP ONE TRADING LLC · 41 quarters on record
This page tracks every 13F SEC filing in which GROUP ONE TRADING LLC reported a position in MATTEL INC COM (MAT). 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 | 29,181 | -61,491 | -67.8% | 0.00% | $491K | $16.83 |
| 2025 Q2 | ADDED | 90,672 | +88,223 | +3602.4% | 0.00% | $1.8M | $19.72 |
| 2025 Q1 | REDUCED | 2,449 | -21,970 | -90.0% | 0.00% | $48K | $19.43 |
| 2024 Q4 | ADDED | 24,419 | +7,410 | +43.6% | 0.00% | $433K | $17.73 |
| 2024 Q3 | REDUCED | 17,009 | -27,346 | -61.7% | 0.00% | $324K | $19.05 |
| 2023 Q4 | REDUCED | 44,355 | -63,147 | -58.7% | 0.00% | $837K | $18.88 |
| 2023 Q3 | ADDED | 107,502 | +56,212 | +109.6% | 0.01% | $2.4M | $22.03 |
| 2023 Q2 | ADDED | 51,290 | +4,037 | +8.5% | 0.00% | $1.0M | $19.54 |
| 2023 Q1 | ADDED | 47,253 | +17,612 | +59.4% | 0.00% | $870K | $18.41 |
| 2022 Q4 | ADDED | 29,641 | +1,579 | +5.6% | 0.00% | $529K | $17.84 |
As of 2025 Q4 — sorted by position size