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 |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 21,853,958 | $83.9M | 1.90% | 00.0% | Unchanged |
| BlackRock Inc. | 17,996,329 | $69.1M | 0.00% | −19,673−0.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 17,632,815 | $67.7M | 0.15% | +6,513,815+58.6% | Added |
| State Street Corp | 17,076,958 | $65.6M | 0.00% | −431,155−2.5% | Reduced |
| Janus Henderson Group PLC | 16,450,081 | $63.2M | 0.04% | +13,302,505+422.6% | Added |
| Vanguard Group Inc | 14,968,322 | $57.5M | 0.00% | +589,887+4.1% | Added |
| Wellington Management Group LLP | 9,864,785 | $37.9M | 0.01% | +638,077+6.9% | Added |
| Redmile Group, LLC | 8,046,217 | $30.9M | 1.34% | −486,600−5.7% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 7,856,409 | $30.2M | 0.78% | +977,466+14.2% | Added |
| Morgan Stanley | 7,319,698 | $28.1M | 0.00% | +3,064,478+72.0% | Added |
| Geode Capital Management, LLC | 4,039,396 | $15.5M | 0.00% | +200,306+5.2% | Added |
| Nuveen Asset Management, LLC | 3,193,514 | $12.3M | 0.00% | +1,905,334+147.9% | Added |
| Artisan Partners Limited Partnership | 3,181,379 | $12.2M | 0.02% | +3,181,379 | New |
| Deutsche Bank AG | 3,077,844 | $11.8M | 0.01% | +40,284+1.3% | Added |
| Millennium Management LLC | 2,976,924 | $11.4M | 0.01% | +2,043,204+218.8% | Added |
| Two Sigma Advisers, LP | 2,930,618 | $11.3M | 0.03% | −348,500−10.6% | Reduced |
| Jennison Associates LLC | 2,308,596 | $8.87M | 0.01% | −6,831,763−74.7% | Reduced |
| Segall Bryant & Hamill, LLC | 2,243,746 | $8.62M | 0.09% | −30,818−1.4% | Reduced |
| Goldman Sachs Group Inc | 2,213,819 | $8.50M | 0.00% | −429,450−16.2% | Reduced |
| Candriam Luxembourg S.C.A. | 2,389,296 | $8.44M | 0.06% | −300,000−11.2% | Reduced |
| Northern Trust Corp | 2,143,821 | $8.23M | 0.00% | −4,715−0.2% | Reduced |
| Bank of America Corp | 1,869,023 | $7.18M | 0.00% | +214,149+12.9% | Added |
| Two Sigma Investments, LP | 1,654,402 | $6.35M | 0.02% | −322,725−16.3% | Reduced |
| Charles Schwab Investment Management Inc | 1,559,021 | $5.99M | 0.00% | −2,563−0.2% | Reduced |
| QVT Financial LP | 1,375,900 | $5.28M | 0.31% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 1,367,970 | $5.25M | 0.04% | −2430.0% | Reduced |
| Pinnacle Associates Ltd | 1,326,479 | $5.09M | 0.10% | −7,079−0.5% | Reduced |
| Tang Capital Management LLC | 1,274,853 | $4.90M | 0.73% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 1,217,142 | $4.67M | 0.03% | +145,791+13.6% | Added |
| Rhenman & Partners Asset Management AB | 1,250,000 | $4.64M | 0.51% | −250,000−16.7% | Reduced |
| FMR LLC | 1,199,274 | $4.61M | 0.00% | +2,051+0.2% | Added |
| Dimensional Fund Advisors LP | 1,191,797 | $4.58M | 0.00% | −1,212,259−50.4% | Reduced |
| Putnam Investments LLC | 1,151,153 | $4.42M | 0.01% | +29,841+2.7% | Added |
| Citigroup Inc | 1,099,652 | $4.22M | 0.01% | +496,726+82.4% | Added |
| Sectoral Asset Management Inc | 1,001,444 | $3.85M | 0.74% | +197,500+24.6% | Added |
| Citadel Advisors LLC | 975,058 | $3.74M | 0.00% | +948,435+3,562.5% | Added |
| JPMorgan Chase & Co | 968,733 | $3.72M | 0.00% | +752,266+347.5% | Added |
| Sofinnova Investments, Inc. | 924,532 | $3.55M | 0.24% | −761,622−45.2% | Reduced |
| Granahan Investment Management Inc | 864,766 | $3.32M | 0.10% | −1,321,192−60.4% | Reduced |
| Fisher Asset Management, LLC | 854,737 | $3.28M | 0.00% | +2,705+0.3% | Added |
| Barclays PLC | 850,735 | $3.27M | 0.00% | +70,086+9.0% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 790,143 | $3.03M | 0.26% | −146,358−15.6% | Reduced |
| Bank of New York Mellon Corp | 782,033 | $3.00M | 0.00% | −7,273−0.9% | Reduced |
| Voya Investment Management LLC | 691,201 | $2.65M | 0.00% | −36,982−5.1% | Reduced |
| Prudential Financial Inc | 685,775 | $2.63M | 0.00% | −446,303−39.4% | Reduced |
| Susquehanna International Group, LLP | 658,816 | $2.53M | 0.00% | +334,180+102.9% | Added |
| Blair William & Co | 579,595 | $2.23M | 0.01% | +235,000+68.2% | Added |
| UBS Group AG | 546,102 | $2.10M | 0.00% | −399,586−42.3% | Reduced |
| BNP Paribas Arbitrage, SA | 537,702 | $2.06M | 0.00% | +174,138+47.9% | Added |
| CM Management, LLC | 500,000 | $1.92M | 2.28% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 480,737 | $1.85M | 0.11% | +11,100+2.4% | Added |
| Wells Fargo & Company | 429,520 | $1.65M | 0.00% | +307,204+251.2% | Added |
| Swiss National Bank | 428,800 | $1.65M | 0.00% | −50,800−10.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 394,654 | $1.52M | 0.01% | +378,881+2,402.1% | Added |
| Rhumbline Advisers | 320,502 | $1.23M | 0.00% | −2,046−0.6% | Reduced |
| UBS Asset Management Americas Inc | 293,790 | $1.13M | 0.00% | +46,711+18.9% | Added |
| Alliancebernstein L.P. | 288,664 | $1.11M | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 286,867 | $1.10M | 0.00% | −882−0.3% | Reduced |
| Credit Suisse AG | 285,385 | $1.10M | 0.00% | −4,720−1.6% | Reduced |
| Primecap Management Co | 283,100 | $1.09M | 0.00% | −417,127−59.6% | Reduced |
| California State Teachers Retirement System | 254,360 | $976.7K | 0.00% | −4,207−1.6% | Reduced |
| Profund Advisors LLC | 252,826 | $970.9K | 0.06% | +252,826 | New |
| Kercheville Advisors, LLC | 252,552 | $969.8K | 0.66% | −26,075−9.4% | Reduced |
| New York State Common Retirement Fund | 241,711 | $928.2K | 0.00% | +23,084+10.6% | Added |
| Group One Trading, L.P. | 219,203 | $841.7K | 0.04% | +80,145+57.6% | Added |
| Teachers Retirement System of the State of Kentucky | 201,953 | $775.0K | 0.01% | +28,698+16.6% | Added |
| Kennedy Capital Management, Inc. | 200,032 | $768.1K | 0.02% | −277,210−58.1% | Reduced |
| Ironwood Investment Management LLC | 193,753 | $744.0K | 0.47% | −5,080−2.6% | Reduced |
| State of Wisconsin Investment Board | 183,242 | $703.6K | 0.00% | −9,233−4.8% | Reduced |
| Invesco Ltd. | 182,068 | $699.1K | 0.00% | +90,988+99.9% | Added |
| Commonwealth Equity Services, LLC | 179,219 | $688.0K | 0.00% | +10,125+6.0% | Added |
| Man Group plc | – | $584.6K | 0.00% | – | – |
| 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 |
| Alps Advisors Inc | 148,874 | $571.7K | 0.01% | −766−0.5% | Reduced |
| Fernwood Investment Management, LLC | 146,180 | $561.3K | 0.22% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 145,814 | $559.9K | 0.00% | +51,686+54.9% | Added |
| Bank of Montreal | 128,929 | $500.2K | 0.00% | +37,060+40.3% | Added |
| Ghost Tree Capital, LLC | 124,977 | $480.0K | 0.18% | +124,977 | New |
| Simplex Trading, LLC | 119,012 | $457.0K | 0.02% | +57,332+93.0% | Added |
| ClariVest Asset Management LLC | 116,899 | $449.0K | 0.02% | −101−0.1% | Reduced |
| Marshall Wace, LLP | 114,355 | $439.1K | 0.00% | −114,060−49.9% | Reduced |
| Price T Rowe Associates Inc | 113,928 | $438.0K | 0.00% | +8,878+8.5% | Added |
| MetLife Investment Management | 110,444 | $424.1K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 103,624 | $397.9K | 0.00% | +2,062+2.0% | Added |
| Balyasny Asset Management LLC | 102,751 | $394.6K | 0.00% | −284,043−73.4% | Reduced |
| Parallax Volatility Advisers, L.P. | 100,000 | $384.0K | 0.01% | +32,847+48.9% | Added |
| Twin Focus Capital Partners, LLC | 93,875 | $360.5K | 0.07% | 00.0% | Unchanged |
| Legal & General Group Plc | 92,485 | $355.1K | 0.00% | +6,294+7.3% | Added |
| Baxter Bros Inc | 85,550 | $328.5K | 0.05% | 00.0% | Unchanged |
| STRS Ohio | 84,400 | $324.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 83,389 | $320.2K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 79,140 | $304.0K | 0.00% | +79,140 | New |
| E Fund Management Co., Ltd. | 77,663 | $298.0K | 0.02% | +5,958+8.3% | Added |
| State Board of Administration of Florida Retirement System | 70,387 | $270.3K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 69,900 | $255.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 63,650 | $244.4K | 0.00% | −4,262−6.3% | Reduced |
| Royal Bank of Canada | 62,932 | $242.0K | 0.00% | −50,076−44.3% | Reduced |
| Teacher Retirement System of Texas | 61,204 | $235.0K | 0.00% | +1,049+1.7% | Added |
| Virtus ETF Advisers LLC | 59,573 | $228.8K | 0.13% | +1,052+1.8% | Added |