Group One Trading, L.P.
- SEC CIK
- 0000932540
- Latest filing
- Aug 13, 2026
AMKR holding history
Amkor Technology, Inc. in every 13F filed by Group One Trading, L.P., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMKR overviewAll 13F holders of AMKRFull Q2 2026 holdings
- Shares (Q2 2026)
- 129,334
- Value
- $11.2M
- % of portfolio
- 0.3%
- Quarters held
- 11
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 129,334 | $11.2M | 0.3% | +129,334 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −21,758−100.0% | Sold out | Holders |
| Q4 2025 | 21,758 | $859.0K | <0.1% | −43,941−66.9% | Reduced | Holders |
| Q3 2025 | 65,699 | $1.87M | 0.1% | +16,673+34.0% | Added | Holders |
| Q2 2025 | 49,026 | $1.03M | <0.1% | −162,820−76.9% | Reduced | Holders |
| Q1 2025 | 211,846 | $3.83M | 0.2% | +211,846 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −7,054−100.0% | Sold out | Holders |
| Q2 2024 | 7,054 | $282.3K | <0.1% | −4,222−37.4% | Reduced | Holders |
| Q1 2024 | 11,276 | $363.5K | <0.1% | −10,415−48.0% | Reduced | Holders |
| Q4 2023 | 21,691 | $721.7K | <0.1% | +21,691 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −21,599−100.0% | Sold out | Holders |
| Q2 2023 | 21,599 | $642.6K | <0.1% | +13,615+170.5% | Added | Holders |
| Q1 2023 | 7,984 | $207.7K | <0.1% | −4,146−34.2% | Reduced | Holders |
| Q4 2022 | 12,130 | $290.9K | <0.1% | +12,130 | New | Holders |