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 2022
Institutional positions in ImmunoGen, Inc. as of Dec 31, 2022. 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
- 204
- −17 vs. Q3 2022
- Shares held
- 204.0M
- +7.15M (+3.6%) vs. Q3 2022
- Total value
- $1.01B
- +$69.4M (+7.4%) vs. Q3 2022
- New holders
- 27
- 69 more added
- Sold out
- 44
- 68 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 21,853,958 | $108.4M | 2.20% | +112,500+0.5% | Added |
| BlackRock Inc. | 18,016,002 | $89.4M | 0.00% | +570,976+3.3% | Added |
| State Street Corp | 17,508,113 | $86.8M | 0.01% | +2,913,240+20.0% | Added |
| Vanguard Group Inc | 14,378,435 | $71.3M | 0.00% | −1,246,413−8.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 11,119,000 | $55.2M | 0.13% | +3,219,000+40.7% | Added |
| Wellington Management Group LLP | 9,226,708 | $45.8M | 0.01% | −780,797−7.8% | Reduced |
| Jennison Associates LLC | 9,140,359 | $45.3M | 0.05% | +2,942,879+47.5% | Added |
| Redmile Group, LLC | 8,532,817 | $42.3M | 1.73% | −15,328−0.2% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,878,943 | $34.1M | 0.83% | +3,325,815+93.6% | Added |
| Deerfield Management Company, L.P. (Series C) | 6,358,314 | $31.5M | 0.65% | −7,381,891−53.7% | Reduced |
| Woodline Partners LP | 5,027,027 | $24.9M | 0.34% | +5,027,027 | New |
| Morgan Stanley | 4,255,220 | $21.1M | 0.00% | −488,254−10.3% | Reduced |
| Geode Capital Management, LLC | 3,839,090 | $19.0M | 0.00% | +131,812+3.6% | Added |
| Braidwell LP | 3,474,497 | $17.2M | 0.58% | +3,474,497 | New |
| Two Sigma Advisers, LP | 3,279,118 | $16.3M | 0.05% | +266,700+8.9% | Added |
| Janus Henderson Group PLC | 3,147,576 | $15.6M | 0.01% | +1,837,084+140.2% | Added |
| Deutsche Bank AG | 3,037,560 | $15.1M | 0.01% | +31,075+1.0% | Added |
| Candriam Luxembourg S.C.A. | 2,689,296 | $13.3M | 0.09% | −165,339−5.8% | Reduced |
| Goldman Sachs Group Inc | 2,643,269 | $13.1M | 0.00% | +1,578,901+148.3% | Added |
| Dimensional Fund Advisors LP | 2,404,056 | $11.9M | 0.00% | −136,795−5.4% | Reduced |
| Segall Bryant & Hamill, LLC | 2,274,564 | $11.3M | 0.13% | +1,395,603+158.8% | Added |
| Granahan Investment Management Inc | 2,185,958 | $10.8M | 0.33% | +308,998+16.5% | Added |
| Northern Trust Corp | 2,148,536 | $10.7M | 0.00% | +21,682+1.0% | Added |
| Two Sigma Investments, LP | 1,977,127 | $9.81M | 0.03% | −447,630−18.5% | Reduced |
| Sofinnova Investments, Inc. | 1,686,154 | $8.36M | 0.51% | +1,183,761+235.6% | Added |
| Bank of America Corp | 1,654,874 | $8.21M | 0.00% | +468,537+39.5% | Added |
| Charles Schwab Investment Management Inc | 1,561,584 | $7.75M | 0.00% | +36,478+2.4% | Added |
| Rhenman & Partners Asset Management AB | 1,500,000 | $7.44M | 0.78% | +400,000+36.4% | Added |
| QVT Financial LP | 1,375,900 | $6.82M | 0.41% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 1,368,213 | $6.79M | 0.06% | +420,762+44.4% | Added |
| Pinnacle Associates Ltd | 1,333,558 | $6.61M | 0.14% | −15,405−1.1% | Reduced |
| Nuveen Asset Management, LLC | 1,288,180 | $6.39M | 0.00% | +634,141+97.0% | Added |
| Tang Capital Management LLC | 1,274,853 | $6.32M | 0.92% | −225,147−15.0% | Reduced |
| FMR LLC | 1,197,223 | $5.94M | 0.00% | +91,494+8.3% | Added |
| Prudential Financial Inc | 1,132,078 | $5.62M | 0.01% | −29,316−2.5% | Reduced |
| Putnam Investments LLC | 1,121,312 | $5.56M | 0.01% | +90,220+8.7% | Added |
| Panagora Asset Management Inc | 1,071,351 | $5.31M | 0.03% | −9,657−0.9% | Reduced |
| UBS Group AG | 945,688 | $4.69M | 0.00% | +800,497+551.3% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 936,501 | $4.65M | 0.37% | 00.0% | Unchanged |
| Millennium Management LLC | 933,720 | $4.63M | 0.01% | −907,117−49.3% | Reduced |
| Fisher Asset Management, LLC | 852,032 | $4.23M | 0.00% | +267,257+45.7% | Added |
| Sectoral Asset Management Inc | 803,944 | $3.99M | 0.77% | −44,800−5.3% | Reduced |
| Bank of New York Mellon Corp | 789,306 | $3.91M | 0.00% | −26,766−3.3% | Reduced |
| Barclays PLC | 780,649 | $3.87M | 0.00% | +168,152+27.5% | Added |
| Voya Investment Management LLC | 728,183 | $3.61M | 0.00% | −304,318−29.5% | Reduced |
| Primecap Management Co | 700,227 | $3.47M | 0.00% | −28,100−3.9% | Reduced |
| Citigroup Inc | 602,926 | $2.99M | 0.00% | −301,572−33.3% | Reduced |
| CM Management, LLC | 500,000 | $2.48M | 2.96% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 485,378 | $2.41M | 0.00% | −193,754−28.5% | Reduced |
| Swiss National Bank | 479,600 | $2.38M | 0.00% | +8,900+1.9% | Added |
| Kennedy Capital Management, Inc. | 477,242 | $2.37M | 0.07% | −417−0.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 469,637 | $2.33M | 0.14% | +136,763+41.1% | Added |
| Silverarc Capital Management, LLC | 407,269 | $2.02M | 0.70% | −31,426−7.2% | Reduced |
| Balyasny Asset Management LLC | 386,794 | $1.92M | 0.01% | +386,794 | New |
| BNP Paribas Arbitrage, SA | 363,564 | $1.80M | 0.00% | +19,324+5.6% | Added |
| Blair William & Co | 344,595 | $1.71M | 0.01% | +77,750+29.1% | Added |
| Susquehanna International Group, LLP | 324,636 | $1.61M | 0.00% | −250,003−43.5% | Reduced |
| Rhumbline Advisers | 322,548 | $1.60M | 0.00% | +3,220+1.0% | Added |
| Credit Suisse AG | 290,105 | $1.44M | 0.00% | +12,436+4.5% | Added |
| Alliancebernstein L.P. | 288,664 | $1.43M | 0.00% | −35,409−10.9% | Reduced |
| Ameriprise Financial Inc | 287,749 | $1.43M | 0.00% | +162,984+130.6% | Added |
| Kercheville Advisors, LLC | 278,627 | $1.38M | 0.95% | +40,325+16.9% | Added |
| California State Teachers Retirement System | 258,567 | $1.28M | 0.00% | +2,993+1.2% | Added |
| Cubist Systematic Strategies, LLC | 257,772 | $1.28M | 0.01% | −102,998−28.5% | Reduced |
| UBS Asset Management Americas Inc | 247,079 | $1.23M | 0.00% | +2,477+1.0% | Added |
| Squarepoint Ops LLC | 243,195 | $1.21M | 0.01% | −106,815−30.5% | Reduced |
| Marshall Wace, LLP | 228,415 | $1.13M | 0.00% | −7,785−3.3% | Reduced |
| New York State Common Retirement Fund | 218,627 | $1.08M | 0.00% | +11,597+5.6% | Added |
| JPMorgan Chase & Co | 216,467 | $1.07M | 0.00% | +82,963+62.1% | Added |
| Man Group plc | 215,762 | $1.07M | 0.00% | +215,762 | New |
| Ironwood Investment Management LLC | 198,833 | $986.2K | 0.65% | +21,233+12.0% | Added |
| State of Wisconsin Investment Board | 192,475 | $954.7K | 0.00% | −12,242−6.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 173,255 | $859.0K | 0.01% | +15,570+9.9% | Added |
| Commonwealth Equity Services, LLC | 169,094 | $838.0K | 0.00% | +2,409+1.4% | Added |
| HealthCor Management, L.P. | 150,000 | $744.0K | 0.68% | −1,150,000−88.5% | Reduced |
| Birchview Capital, LP | 150,000 | $744.0K | 0.53% | 00.0% | Unchanged |
| Alps Advisors Inc | 149,640 | $742.2K | 0.01% | +29,172+24.2% | Added |
| Fernwood Investment Management, LLC | 146,180 | $725.1K | 0.30% | −2,660−1.8% | Reduced |
| Group One Trading, L.P. | 139,058 | $689.7K | 0.02% | +74,158+114.3% | Added |
| Wells Fargo & Company | 122,316 | $606.7K | 0.00% | −411,324−77.1% | Reduced |
| ClariVest Asset Management LLC | 117,000 | $581.0K | 0.03% | −1,800−1.5% | Reduced |
| Royal Bank of Canada | 113,008 | $560.0K | 0.00% | −4,722−4.0% | Reduced |
| MetLife Investment Management | 110,444 | $547.8K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 105,903 | $525.3K | 0.00% | +8,868+9.1% | Added |
| Price T Rowe Associates Inc | 105,050 | $521.0K | 0.00% | +4,227+4.2% | Added |
| American International Group, Inc. | 101,562 | $503.7K | 0.00% | −370−0.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 94,128 | $466.9K | 0.00% | +78+0.1% | Added |
| Twin Focus Capital Partners, LLC | 93,875 | $465.6K | 0.10% | −138−0.1% | Reduced |
| Bank of Montreal | 91,869 | $460.3K | 0.00% | +76,110+483.0% | Added |
| Invesco Ltd. | 91,080 | $451.8K | 0.00% | −379−0.4% | Reduced |
| Legal & General Group Plc | 86,191 | $427.5K | 0.00% | +1,236+1.5% | Added |
| Baxter Bros Inc | 85,550 | $424.0K | 0.07% | −1,450−1.7% | Reduced |
| STRS Ohio | 84,400 | $418.0K | 0.00% | −47,600−36.1% | Reduced |
| Manufacturers Life Insurance Company, The | 83,389 | $413.6K | 0.00% | −446−0.5% | Reduced |
| E Fund Management Co., Ltd. | 71,705 | $356.0K | 0.03% | +6,577+10.1% | Added |
| DekaBank Deutsche Girozentrale | 69,900 | $355.0K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 70,387 | $349.1K | 0.00% | −7,100−9.2% | Reduced |
| Jane Street Group, LLC | 68,887 | $341.7K | 0.00% | +40,873+145.9% | Added |
| Advisor Group Holdings, Inc. | 67,912 | $336.2K | 0.00% | −10,735−13.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 67,153 | $333.1K | 0.01% | +67,153 | New |