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, Q1 2023
Institutional positions in ImmunoGen, Inc. as of Mar 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
- Institutional holders
- 191
- −9 vs. Q4 2022
- Shares held
- 210.0M
- +6.17M (+3.0%) vs. Q4 2022
- Total value
- $806.0M
- −$204.8M (−20.3%) vs. Q4 2022
- New holders
- 21
- 62 more added
- Sold out
- 30
- 57 more reduced
4 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| STRS Ohio | 84,400 | $324.0K | 0.00% | 00.0% | Unchanged |
| Baxter Bros Inc | 85,550 | $328.5K | 0.05% | 00.0% | Unchanged |
| Legal & General Group Plc | 92,485 | $355.1K | 0.00% | +6,294+7.3% | Added |
| Twin Focus Capital Partners, LLC | 93,875 | $360.5K | 0.07% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 100,000 | $384.0K | 0.01% | +32,847+48.9% | Added |
| Balyasny Asset Management LLC | 102,751 | $394.6K | 0.00% | −284,043−73.4% | Reduced |
| American International Group, Inc. | 103,624 | $397.9K | 0.00% | +2,062+2.0% | Added |
| MetLife Investment Management | 110,444 | $424.1K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 113,928 | $438.0K | 0.00% | +8,878+8.5% | Added |
| Marshall Wace, LLP | 114,355 | $439.1K | 0.00% | −114,060−49.9% | Reduced |
| ClariVest Asset Management LLC | 116,899 | $449.0K | 0.02% | −101−0.1% | Reduced |
| Simplex Trading, LLC | 119,012 | $457.0K | 0.02% | +57,332+93.0% | Added |
| Ghost Tree Capital, LLC | 124,977 | $480.0K | 0.18% | +124,977 | New |
| Bank of Montreal | 128,929 | $500.2K | 0.00% | +37,060+40.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 145,814 | $559.9K | 0.00% | +51,686+54.9% | Added |
| Fernwood Investment Management, LLC | 146,180 | $561.3K | 0.22% | 00.0% | Unchanged |
| Alps Advisors Inc | 148,874 | $571.7K | 0.01% | −766−0.5% | Reduced |
| Silverarc Capital Management, LLC | 150,000 | $576.0K | 0.26% | −257,269−63.2% | Reduced |
| Birchview Capital, LP | 150,000 | $576.0K | 0.45% | 00.0% | Unchanged |
| Man Group plc | – | $584.6K | 0.00% | – | – |
| Commonwealth Equity Services, LLC | 179,219 | $688.0K | 0.00% | +10,125+6.0% | Added |
| Invesco Ltd. | 182,068 | $699.1K | 0.00% | +90,988+99.9% | Added |
| State of Wisconsin Investment Board | 183,242 | $703.6K | 0.00% | −9,233−4.8% | Reduced |
| Ironwood Investment Management LLC | 193,753 | $744.0K | 0.47% | −5,080−2.6% | Reduced |
| Kennedy Capital Management, Inc. | 200,032 | $768.1K | 0.02% | −277,210−58.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 201,953 | $775.0K | 0.01% | +28,698+16.6% | Added |
| Group One Trading, L.P. | 219,203 | $841.7K | 0.04% | +80,145+57.6% | Added |
| New York State Common Retirement Fund | 241,711 | $928.2K | 0.00% | +23,084+10.6% | Added |
| Kercheville Advisors, LLC | 252,552 | $969.8K | 0.66% | −26,075−9.4% | Reduced |
| Profund Advisors LLC | 252,826 | $970.9K | 0.06% | +252,826 | New |
| California State Teachers Retirement System | 254,360 | $976.7K | 0.00% | −4,207−1.6% | Reduced |
| Primecap Management Co | 283,100 | $1.09M | 0.00% | −417,127−59.6% | Reduced |
| Credit Suisse AG | 285,385 | $1.10M | 0.00% | −4,720−1.6% | Reduced |
| Ameriprise Financial Inc | 286,867 | $1.10M | 0.00% | −882−0.3% | Reduced |
| Alliancebernstein L.P. | 288,664 | $1.11M | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 293,790 | $1.13M | 0.00% | +46,711+18.9% | Added |
| Rhumbline Advisers | 320,502 | $1.23M | 0.00% | −2,046−0.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 394,654 | $1.52M | 0.01% | +378,881+2,402.1% | Added |
| Swiss National Bank | 428,800 | $1.65M | 0.00% | −50,800−10.6% | Reduced |
| Wells Fargo & Company | 429,520 | $1.65M | 0.00% | +307,204+251.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 480,737 | $1.85M | 0.11% | +11,100+2.4% | Added |
| CM Management, LLC | 500,000 | $1.92M | 2.28% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 537,702 | $2.06M | 0.00% | +174,138+47.9% | Added |
| UBS Group AG | 546,102 | $2.10M | 0.00% | −399,586−42.3% | Reduced |
| Blair William & Co | 579,595 | $2.23M | 0.01% | +235,000+68.2% | Added |
| Susquehanna International Group, LLP | 658,816 | $2.53M | 0.00% | +334,180+102.9% | Added |
| Prudential Financial Inc | 685,775 | $2.63M | 0.00% | −446,303−39.4% | Reduced |
| Voya Investment Management LLC | 691,201 | $2.65M | 0.00% | −36,982−5.1% | Reduced |
| Bank of New York Mellon Corp | 782,033 | $3.00M | 0.00% | −7,273−0.9% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 790,143 | $3.03M | 0.26% | −146,358−15.6% | Reduced |
| Barclays PLC | 850,735 | $3.27M | 0.00% | +70,086+9.0% | Added |
| Fisher Asset Management, LLC | 854,737 | $3.28M | 0.00% | +2,705+0.3% | Added |
| Granahan Investment Management Inc | 864,766 | $3.32M | 0.10% | −1,321,192−60.4% | Reduced |
| Sofinnova Investments, Inc. | 924,532 | $3.55M | 0.24% | −761,622−45.2% | Reduced |
| JPMorgan Chase & Co | 968,733 | $3.72M | 0.00% | +752,266+347.5% | Added |
| Citadel Advisors LLC | 975,058 | $3.74M | 0.00% | +948,435+3,562.5% | Added |
| Sectoral Asset Management Inc | 1,001,444 | $3.85M | 0.74% | +197,500+24.6% | Added |
| Citigroup Inc | 1,099,652 | $4.22M | 0.01% | +496,726+82.4% | Added |
| Putnam Investments LLC | 1,151,153 | $4.42M | 0.01% | +29,841+2.7% | Added |
| Dimensional Fund Advisors LP | 1,191,797 | $4.58M | 0.00% | −1,212,259−50.4% | Reduced |
| FMR LLC | 1,199,274 | $4.61M | 0.00% | +2,051+0.2% | Added |
| Rhenman & Partners Asset Management AB | 1,250,000 | $4.64M | 0.51% | −250,000−16.7% | Reduced |
| Panagora Asset Management Inc | 1,217,142 | $4.67M | 0.03% | +145,791+13.6% | Added |
| Tang Capital Management LLC | 1,274,853 | $4.90M | 0.73% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 1,326,479 | $5.09M | 0.10% | −7,079−0.5% | Reduced |
| Rafferty Asset Management, LLC | 1,367,970 | $5.25M | 0.04% | −2430.0% | Reduced |
| QVT Financial LP | 1,375,900 | $5.28M | 0.31% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 1,559,021 | $5.99M | 0.00% | −2,563−0.2% | Reduced |
| Two Sigma Investments, LP | 1,654,402 | $6.35M | 0.02% | −322,725−16.3% | Reduced |
| Bank of America Corp | 1,869,023 | $7.18M | 0.00% | +214,149+12.9% | Added |
| Northern Trust Corp | 2,143,821 | $8.23M | 0.00% | −4,715−0.2% | Reduced |
| Candriam Luxembourg S.C.A. | 2,389,296 | $8.44M | 0.06% | −300,000−11.2% | Reduced |
| Goldman Sachs Group Inc | 2,213,819 | $8.50M | 0.00% | −429,450−16.2% | Reduced |
| Segall Bryant & Hamill, LLC | 2,243,746 | $8.62M | 0.09% | −30,818−1.4% | Reduced |
| Jennison Associates LLC | 2,308,596 | $8.87M | 0.01% | −6,831,763−74.7% | Reduced |
| Two Sigma Advisers, LP | 2,930,618 | $11.3M | 0.03% | −348,500−10.6% | Reduced |
| Millennium Management LLC | 2,976,924 | $11.4M | 0.01% | +2,043,204+218.8% | Added |
| Deutsche Bank AG | 3,077,844 | $11.8M | 0.01% | +40,284+1.3% | Added |
| Artisan Partners Limited Partnership | 3,181,379 | $12.2M | 0.02% | +3,181,379 | New |
| Nuveen Asset Management, LLC | 3,193,514 | $12.3M | 0.00% | +1,905,334+147.9% | Added |
| Geode Capital Management, LLC | 4,039,396 | $15.5M | 0.00% | +200,306+5.2% | Added |
| Morgan Stanley | 7,319,698 | $28.1M | 0.00% | +3,064,478+72.0% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 7,856,409 | $30.2M | 0.78% | +977,466+14.2% | Added |
| Redmile Group, LLC | 8,046,217 | $30.9M | 1.34% | −486,600−5.7% | Reduced |
| Wellington Management Group LLP | 9,864,785 | $37.9M | 0.01% | +638,077+6.9% | Added |
| Vanguard Group Inc | 14,968,322 | $57.5M | 0.00% | +589,887+4.1% | Added |
| Janus Henderson Group PLC | 16,450,081 | $63.2M | 0.04% | +13,302,505+422.6% | Added |
| State Street Corp | 17,076,958 | $65.6M | 0.00% | −431,155−2.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 17,632,815 | $67.7M | 0.15% | +6,513,815+58.6% | Added |
| BlackRock Inc. | 17,996,329 | $69.1M | 0.00% | −19,673−0.1% | Reduced |
| Ra Capital Management, L.P. | 21,853,958 | $83.9M | 1.90% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −6,358,314−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −5,027,027−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −3,474,497−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −485,378−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −243,195−100.0% | Sold out |
| Natixis Advisors, L.P. | 0 | $0 | 0.00% | −54,165−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −37,927−100.0% | Sold out |
| NinePointTwo Capital | 0 | $0 | 0.00% | −37,533−100.0% | Sold out |