ImmunoGen, Inc.
IMGNDelisted Feb 12, 2024- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000855654
ImmunoGen, Inc. was delisted on Feb 12, 2024; its insiders filed their last Form 4 on Feb 12, 2024; 327 institutions reported holding it in 13F filings for Q4 2023, worth $7.54B in total; Maverick Capital was the only superinvestor holding it.
13F holders, Q4 2021
Institutional positions in ImmunoGen, Inc. as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 236
- +21 vs. Q3 2021
- Shares held
- 189.8M
- +13.2M (+7.5%) vs. Q3 2021
- Total value
- $1.41B
- +$405.5M (+40.5%) vs. Q3 2021
- New holders
- 49
- 88 more added
- Sold out
- 28
- 55 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IMGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $269 |
| Q1 2026 | 1 | $269 |
| Q4 2025 | 1 | $269 |
| Q3 2025 | 1 | $269 |
| Q2 2025 | 1 | $269 |
| Q1 2025 | 1 | $269 |
| Q4 2024 | 1 | $269 |
| Q3 2024 | 1 | $269 |
| Q2 2024 | 1 | $31 |
| Q1 2024 | 3 | $27.8K |
| Q4 2023 | 327 | $7.54B |
| Q3 2023 | 276 | $3.91B |
| Q2 2023 | 266 | $4.24B |
| Q1 2023 | 191 | $806.0M |
| Q4 2022 | 204 | $1.01B |
| Q3 2022 | 222 | $942.2M |
| Q2 2022 | 216 | $882.4M |
| Q1 2022 | 217 | $925.0M |
| Q4 2021 | 236 | $1.41B |
| Q3 2021 | 217 | $1.00B |
| Q2 2021 | 214 | $1.19B |
| Q1 2021 | 217 | $1.48B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q3 2021.