Group One Trading, L.P.
- SEC CIK
- 0000932540
- Latest filing
- Aug 13, 2026
IMGN holding history
ImmunoGen, 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.
IMGN overviewAll 13F holders of IMGNFull Q2 2026 holdings
- Shares (Q4 2023)
- 0
- Sold out in Q4 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2023 | 0 | $0 | 0.0% | −238,327−100.0% | Sold out | Holders |
| Q3 2023 | 238,327 | $3.78M | 0.2% | +142,766+149.4% | Added | Holders |
| Q2 2023 | 95,561 | $1.80M | 0.1% | −123,642−56.4% | Reduced | Holders |
| Q1 2023 | 219,203 | $841.7K | <0.1% | +80,145+57.6% | Added | Holders |
| Q4 2022 | 139,058 | $689.7K | <0.1% | +74,158+114.3% | Added | Holders |
| Q3 2022 | 64,900 | $310.0K | <0.1% | −15,741−19.5% | Reduced | Holders |
| Q2 2022 | 80,641 | $363.0K | <0.1% | −18,575−18.7% | Reduced | Holders |
| Q1 2022 | 99,216 | $472.0K | <0.1% | +53,287+116.0% | Added | Holders |
| Q4 2021 | 45,929 | $341.0K | <0.1% | −27,702−37.6% | Reduced | Holders |
| Q3 2021 | 73,631 | $417.0K | <0.1% | +60,162+446.7% | Added | Holders |
| Q2 2021 | 13,469 | $89.0K | <0.1% | +13,469 | New | Holders |