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 2023
Institutional positions in ImmunoGen, Inc. as of Dec 31, 2023. 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
IMGN is no longer listed, so this page shows Q4 2023. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 327
- +52 vs. Q3 2023
- Shares held
- 254.1M
- +8.75M (+3.6%) vs. Q3 2023
- Total value
- $7.54B
- +$3.63B (+93.0%) vs. Q3 2023
- New holders
- 121
- 70 more added
- Sold out
- 69
- 102 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Primecap Management Co | 273,100 | $8.10M | 0.01% | 00.0% | Unchanged |
| Glazer Capital, LLC | 268,135 | $7.95M | 0.82% | +268,135 | New |
| Qube Research & Technologies Ltd | 263,880 | $7.82M | 0.02% | +263,880 | New |
| California State Teachers Retirement System | 250,499 | $7.43M | 0.01% | +4,120+1.7% | Added |
| Kennedy Capital Management, Inc. | 241,032 | $7.15M | 0.16% | +241,032 | New |
| Legal & General Group Plc | 235,326 | $6.98M | 0.00% | +20,751+9.7% | Added |
| State of Wisconsin Investment Board | 232,462 | $6.89M | 0.02% | +12,560+5.7% | Added |
| FORA Capital, LLC | 221,921 | $6.58M | 0.57% | +221,921 | New |
| Twin Securities, Inc. | 221,622 | $6.57M | 7.10% | +221,622 | New |
| Allianz Asset Management GmbH | 214,350 | $6.36M | 0.01% | +169,750+380.6% | Added |
| Harvest Management LLC | 214,000 | $6.35M | 7.16% | +214,000 | New |
| Simplex Trading, LLC | 211,467 | $6.27M | 0.20% | +967+0.5% | Added |
| Fred Alger Management, LLC | 208,660 | $6.19M | 0.03% | −146,199−41.2% | Reduced |
| UBS Group AG | 201,197 | $5.97M | 0.00% | −10,983−5.2% | Reduced |
| ArrowMark Colorado Holdings LLC | 200,780 | $5.95M | 0.07% | −183,000−47.7% | Reduced |
| Highbridge Capital Management LLC | 200,000 | $5.93M | 0.31% | +200,000 | New |
| Driehaus Capital Management LLC | 195,980 | $5.81M | 0.07% | −1,244,072−86.4% | Reduced |
| DAFNA Capital Management LLC | 193,661 | $5.74M | 1.38% | +110,661+133.3% | Added |
| Versor Investments LP | 192,295 | $5.70M | 1.16% | +192,295 | New |
| Calamos Advisors LLC | 191,117 | $5.67M | 0.03% | +191,117 | New |
| Velan Capital Investment Management LP | 189,500 | $5.62M | 3.98% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 188,929 | $5.60M | 1.63% | +188,929 | New |
| Birchview Capital, LP | 188,000 | $5.57M | 4.36% | −2,000−1.1% | Reduced |
| Exome Asset Management LLC | 186,900 | $5.54M | 5.48% | +186,900 | New |
| Vestcor Inc | 175,000 | $5.19M | 0.18% | +175,000 | New |
| Ironwood Investment Management LLC | 174,540 | $5.18M | 2.72% | −106−0.1% | Reduced |
| P Schoenfeld Asset Management LP | 165,000 | $4.89M | 1.37% | +165,000 | New |
| Prelude Capital Management, LLC | 157,856 | $4.68M | 0.41% | +56,541+55.8% | Added |
| State of New Jersey Common Pension Fund D | 156,835 | $4.65M | 0.02% | 00.0% | Unchanged |
| Readystate Asset Management LP | 149,510 | $4.43M | 0.26% | +149,510 | New |
| Nicholas Investment Partners, LP | 148,672 | $4.41M | 0.52% | −1,918,889−92.8% | Reduced |
| New York State Common Retirement Fund | 146,489 | $4.34M | 0.01% | −178,437−54.9% | Reduced |
| HighVista Strategies LLC | 144,772 | $4.29M | 1.56% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 137,098 | $4.06M | 0.01% | −98,984−41.9% | Reduced |
| Armistice Capital, LLC | 134,698 | $3.99M | 0.11% | +134,698 | New |
| Manufacturers Life Insurance Company, The | 133,601 | $3.96M | 0.00% | −96,017−41.8% | Reduced |
| Cowen and Company, LLC | 131,099 | $3.89M | 0.25% | +131,099 | New |
| Blair William & Co | 130,723 | $3.88M | 0.01% | −123,597−48.6% | Reduced |
| SG Americas Securities, LLC | 128,745 | $3.82M | 0.04% | +40,530+45.9% | Added |
| AlphaCentric Advisors LLC | 127,500 | $3.78M | 2.54% | +65,000+104.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 127,205 | $3.77M | 0.01% | −6,934−5.2% | Reduced |
| MetLife Investment Management | 125,461 | $3.72M | 0.03% | −2,433−1.9% | Reduced |
| Centiva Capital, LP | 125,000 | $3.71M | 0.23% | +125,000 | New |
| Bank of Montreal | 120,073 | $3.57M | 0.00% | −3,447−2.8% | Reduced |
| American International Group, Inc. | 119,145 | $3.53M | 0.01% | −480−0.4% | Reduced |
| Granahan Investment Management Inc | 119,016 | $3.53M | 0.12% | −562,361−82.5% | Reduced |
| Kercheville Advisors, LLC | 114,897 | $3.41M | 1.91% | −1,680−1.4% | Reduced |
| Carmignac Gestion | 114,380 | $3.39M | 0.06% | +114,380 | New |
| Walleye Capital LLC | 111,863 | $3.32M | 0.05% | +111,863 | New |
| Raymond James & Associates | 104,485 | $3.10M | 0.00% | −63,093−37.6% | Reduced |
| ClearAlpha Technologies LP | 100,956 | $2.99M | 1.14% | +100,956 | New |
| Murchinson Ltd. | 100,000 | $2.96M | 0.56% | +100,000 | New |
| Skandinaviska Enskilda Banken AB (publ) | 98,515 | $2.92M | 0.02% | +50,000+103.1% | Added |
| Susquehanna Portfolio Strategies, LLC | 96,427 | $2.86M | 0.05% | +96,427 | New |
| Jefferies Financial Group Inc. | 95,166 | $2.82M | 0.04% | +95,166 | New |
| Wolverine Asset Management LLC | 93,223 | $2.76M | 0.04% | +93,223 | New |
| Ikarian Capital, LLC | 90,162 | $2.67M | 0.73% | −300,000−76.9% | Reduced |
| Engineers Gate Manager LP | 87,651 | $2.60M | 0.07% | +87,651 | New |
| Tudor Investment Corp Et Al | 85,609 | $2.54M | 0.04% | +85,609 | New |
| Guggenheim Capital LLC | 84,991 | $2.52M | 0.02% | −5,982−6.6% | Reduced |
| Fernwood Investment Management, LLC | 83,780 | $2.48M | 0.82% | −2,500−2.9% | Reduced |
| Wells Fargo & Company | 80,191 | $2.38M | 0.00% | −162,652−67.0% | Reduced |
| Angelo Gordon & Co., L.P. | 80,000 | $2.37M | 0.82% | +80,000 | New |
| Polar Asset Management Partners Inc. | 80,000 | $2.37M | 0.06% | +80,000 | New |
| AQR Capital Management LLC | 77,523 | $2.30M | 0.00% | −48,114−38.3% | Reduced |
| Royal Bank of Canada | 77,312 | $2.29M | 0.00% | +33,971+78.4% | Added |
| DekaBank Deutsche Girozentrale | 72,697 | $2.15M | 0.00% | +2,797+4.0% | Added |
| Dynamic Technology Lab Private Ltd | 72,466 | $2.15M | 0.23% | +72,466 | New |
| Boothbay Fund Management, LLC | 70,394 | $2.09M | 0.08% | −16,592−19.1% | Reduced |
| Kellner Capital, LLC | 69,200 | $2.05M | 3.70% | +69,200 | New |
| State Board of Administration of Florida Retirement System | 69,187 | $2.05M | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 68,227 | $2.02M | 0.01% | +20,232+42.2% | Added |
| Captrust Financial Advisors | 67,877 | $2.01M | 0.01% | −28,501−29.6% | Reduced |
| Keebeck Alpha, LP | 67,137 | $1.99M | 1.57% | +67,137 | New |
| Yakira Capital Management, Inc. | 66,219 | $1.96M | 0.64% | +66,219 | New |
| Arizona State Retirement System | 66,111 | $1.96M | 0.01% | +3,839+6.2% | Added |
| Silphium Asset Management Ltd | 65,000 | $1.93M | 1.03% | +65,000 | New |
| Laurion Capital Management LP | 64,930 | $1.93M | 0.07% | +64,930 | New |
| ADAR1 Capital Management, LLC | 64,355 | $1.91M | 0.85% | +64,355 | New |
| Erste Asset Management GmbH | 63,000 | $1.87M | 0.03% | +16,000+34.0% | Added |
| Quantum Private Wealth, LLC | 59,546 | $1.77M | 0.74% | 00.0% | Unchanged |
| Verition Fund Management LLC | 59,396 | $1.76M | 0.02% | +59,396 | New |
| DLD Asset Management, LP | 55,000 | $1.63M | 0.26% | +55,000 | New |
| Teacher Retirement System of Texas | 54,685 | $1.62M | 0.01% | −7,455−12.0% | Reduced |
| Profund Advisors LLC | 54,327 | $1.61M | 0.07% | −43,837−44.7% | Reduced |
| Gamco Investors, Inc. Et Al | 52,554 | $1.56M | 0.02% | +52,554 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 50,066 | $1.48M | 0.01% | +5,357+12.0% | Added |
| Tower Research Capital LLC (TRC) | 49,870 | $1.48M | 0.02% | +44,616+849.2% | Added |
| Fifth Lane Capital, LP | 49,362 | $1.46M | 1.72% | +49,362 | New |
| Handelsbanken Fonder AB | 48,700 | $1.44M | 0.01% | +4,600+10.4% | Added |
| Advisor Group Holdings, Inc. | 47,950 | $1.42M | 0.00% | −12,688−20.9% | Reduced |
| STRS Ohio | 47,000 | $1.39M | 0.01% | +18,000+62.1% | Added |
| Natixis Advisors, L.P. | 43,254 | $1.28M | 0.00% | +1,400+3.3% | Added |
| Envestnet Asset Management Inc | 42,695 | $1.27M | 0.00% | −21,777−33.8% | Reduced |
| Los Angeles Capital Management LLC | 42,170 | $1.25M | 0.00% | −4,815−10.2% | Reduced |
| Bardin Hill Management Partners LP | 40,806 | $1.21M | 0.52% | +40,806 | New |
| Schonfeld Strategic Advisors LLC | 36,704 | $1.09M | 0.01% | −355,796−90.6% | Reduced |
| PenderFund Capital Management Ltd. | 27,580 | $1.08M | 0.35% | +27,580 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 35,409 | $1.05M | 0.02% | −43,264−55.0% | Reduced |
| Victory Capital Management Inc | 35,213 | $1.04M | 0.00% | −105,633−75.0% | Reduced |