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, Q2 2023
Institutional positions in ImmunoGen, Inc. as of Jun 30, 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
- 266
- +75 vs. Q1 2023
- Shares held
- 224.8M
- +14.9M (+7.1%) vs. Q1 2023
- Total value
- $4.24B
- +$3.43B (+425.8%) vs. Q1 2023
- New holders
- 100
- 67 more added
- Sold out
- 25
- 72 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 20,904,986 | $394.5M | 0.01% | +2,908,657+16.2% | Added |
| Vanguard Group Inc | 20,899,026 | $394.4M | 0.01% | +5,930,704+39.6% | Added |
| Redmile Group, LLC | 17,730,417 | $334.6M | 12.84% | +9,684,200+120.4% | Added |
| Janus Henderson Group PLC | 15,499,788 | $292.4M | 0.18% | −950,293−5.8% | Reduced |
| Wellington Management Group LLP | 9,752,899 | $184.0M | 0.03% | −111,886−1.1% | Reduced |
| Point72 Asset Management, L.P. | 8,712,142 | $164.4M | 0.57% | +8,712,142 | New |
| State Street Corp | 7,938,914 | $149.8M | 0.01% | −9,138,044−53.5% | Reduced |
| D. E. Shaw & Co., Inc. | 6,280,516 | $118.5M | 0.18% | +6,280,516 | New |
| Fairmount Funds Management LLC | 6,029,592 | $113.8M | 16.04% | +6,029,592 | New |
| FMR LLC | 5,612,742 | $105.9M | 0.01% | +4,413,468+368.0% | Added |
| Geode Capital Management, LLC | 4,752,550 | $89.7M | 0.01% | +713,154+17.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 3,786,898 | $71.5M | 1.52% | −4,069,511−51.8% | Reduced |
| Artisan Partners Limited Partnership | 3,725,921 | $70.3M | 0.11% | +544,542+17.1% | Added |
| Morgan Stanley | 3,338,605 | $63.0M | 0.01% | −3,981,093−54.4% | Reduced |
| Deutsche Bank AG | 3,304,727 | $62.4M | 0.03% | +226,883+7.4% | Added |
| Hood River Capital Management LLC | 2,983,671 | $56.3M | 1.68% | +2,983,671 | New |
| Boxer Capital, LLC | 2,961,000 | $55.9M | 2.59% | +2,961,000 | New |
| Millennium Management LLC | 2,697,863 | $50.9M | 0.05% | −279,061−9.4% | Reduced |
| Nuveen Asset Management, LLC | 2,642,534 | $49.9M | 0.02% | −550,980−17.3% | Reduced |
| Woodline Partners LP | 2,547,639 | $48.1M | 0.57% | +2,547,639 | New |
| Northern Trust Corp | 2,396,046 | $45.2M | 0.01% | +252,225+11.8% | Added |
| Ra Capital Management, L.P. | 2,329,958 | $44.0M | 0.83% | −19,524,000−89.3% | Reduced |
| Price T Rowe Associates Inc | 2,322,261 | $43.8M | 0.01% | +2,208,333+1,938.4% | Added |
| Voloridge Investment Management, LLC | 2,030,955 | $38.3M | 0.18% | +2,030,955 | New |
| Avidity Partners Management LP | 1,997,800 | $37.7M | 1.32% | +1,997,800 | New |
| Charles Schwab Investment Management Inc | 1,810,462 | $34.2M | 0.01% | +251,441+16.1% | Added |
| First Manhattan Co | 1,707,500 | $32.2M | 0.12% | +1,700,000+22,666.7% | Added |
| Goldman Sachs Group Inc | 1,611,102 | $30.4M | 0.01% | −602,717−27.2% | Reduced |
| Baker Bros. Advisors LP | 1,520,097 | $28.7M | 0.17% | +1,520,097 | New |
| Silverarc Capital Management, LLC | 1,420,000 | $26.8M | 9.05% | +1,270,000+846.7% | Added |
| QVT Financial LP | 1,375,900 | $25.9M | 1.52% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 1,315,658 | $24.8M | 0.04% | +656,842+99.7% | Added |
| Tang Capital Management LLC | 1,300,000 | $24.5M | 3.61% | +25,147+2.0% | Added |
| Eventide Asset Management, LLC | 1,300,000 | $24.5M | 0.41% | +1,300,000 | New |
| Nicholas Investment Partners, LP | 1,224,127 | $23.1M | 1.58% | +1,224,127 | New |
| Renaissance Technologies LLC | 1,218,040 | $23.0M | 0.03% | +1,138,900+1,439.1% | Added |
| Pinnacle Associates Ltd | 1,209,923 | $22.8M | 0.40% | −116,556−8.8% | Reduced |
| Dimensional Fund Advisors LP | 1,189,219 | $22.4M | 0.01% | −2,578−0.2% | Reduced |
| Two Sigma Advisers, LP | 1,186,118 | $22.4M | 0.06% | −1,744,500−59.5% | Reduced |
| Driehaus Capital Management LLC | 1,176,130 | $22.2M | 0.28% | +1,176,130 | New |
| Panagora Asset Management Inc | 1,117,969 | $21.1M | 0.12% | −99,173−8.1% | Reduced |
| Bank of New York Mellon Corp | 1,092,993 | $20.6M | 0.00% | +310,960+39.8% | Added |
| Invesco Ltd. | 1,035,705 | $19.5M | 0.01% | +853,637+468.9% | Added |
| Balyasny Asset Management LLC | 1,032,579 | $19.5M | 0.05% | +929,828+904.9% | Added |
| Candriam Luxembourg S.C.A. | 992,582 | $18.7M | 0.14% | −1,396,714−58.5% | Reduced |
| Principal Financial Group Inc | 987,886 | $18.6M | 0.01% | +931,890+1,664.2% | Added |
| Emerald Advisers, LLC | 983,697 | $18.6M | 0.81% | +983,697 | New |
| Citadel Advisors LLC | 928,240 | $17.5M | 0.02% | −46,818−4.8% | Reduced |
| Lord, Abbett & Co. LLC | 918,995 | $17.3M | 0.06% | +918,995 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 909,595 | $17.2M | 0.09% | +514,941+130.5% | Added |
| Jane Street Group, LLC | 879,700 | $16.6M | 0.02% | +863,069+5,189.5% | Added |
| JPMorgan Chase & Co | 862,422 | $16.3M | 0.00% | −106,311−11.0% | Reduced |
| Parkman Healthcare Partners LLC | 840,811 | $15.9M | 2.75% | +840,811 | New |
| Sofinnova Investments, Inc. | 827,318 | $15.6M | 1.03% | −97,214−10.5% | Reduced |
| Emerald Mutual Fund Advisers Trust | 816,994 | $15.4M | 0.84% | +816,994 | New |
| Two Sigma Investments, LP | 815,537 | $15.4M | 0.04% | −838,865−50.7% | Reduced |
| Artal Group S.A. | 765,497 | $14.4M | 0.46% | +765,497 | New |
| Rhenman & Partners Asset Management AB | 750,000 | $14.2M | 1.49% | −500,000−40.0% | Reduced |
| Pictet Asset Management SA | 721,075 | $13.6M | 0.02% | +695,266+2,693.9% | Added |
| Fisher Asset Management, LLC | 702,917 | $13.3M | 0.01% | −151,820−17.8% | Reduced |
| American Century Companies Inc | 700,323 | $13.2M | 0.01% | +700,323 | New |
| Man Group plc | 682,227 | $12.9M | 0.04% | – | – |
| Adage Capital Partners GP, L.L.C. | 650,000 | $12.3M | 0.03% | −16,982,815−96.3% | Reduced |
| Ensign Peak Advisors, Inc | 586,593 | $11.1M | 0.02% | +586,593 | New |
| Putnam Investments LLC | 557,007 | $10.5M | 0.02% | −594,146−51.6% | Reduced |
| Artia Global Partners LP | 543,358 | $10.3M | 3.53% | +543,358 | New |
| Hennion & Walsh Asset Management, Inc. | 515,279 | $9.72M | 0.58% | +34,542+7.2% | Added |
| CM Management, LLC | 500,000 | $9.44M | 9.20% | 00.0% | Unchanged |
| Altium Capital Management LP | 485,000 | $9.15M | 7.16% | +485,000 | New |
| Swiss National Bank | 476,100 | $8.98M | 0.01% | +47,300+11.0% | Added |
| Bridger Management, LLC | 467,220 | $8.82M | 2.92% | +467,220 | New |
| Ikarian Capital, LLC | 447,700 | $8.45M | 2.98% | +447,700 | New |
| Sectoral Asset Management Inc | 436,447 | $8.24M | 1.37% | −564,997−56.4% | Reduced |
| Voya Investment Management LLC | 428,190 | $8.08M | 0.01% | −263,011−38.1% | Reduced |
| Granahan Investment Management Inc | 426,752 | $8.05M | 0.25% | −438,014−50.7% | Reduced |
| Bank of America Corp | 414,178 | $7.82M | 0.00% | −1,454,845−77.8% | Reduced |
| BNP Paribas Arbitrage, SA | 378,491 | $7.14M | 0.01% | −159,211−29.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 376,969 | $7.11M | 0.06% | +376,969 | New |
| Rhumbline Advisers | 363,947 | $6.87M | 0.01% | +43,445+13.6% | Added |
| Rafferty Asset Management, LLC | 337,286 | $6.36M | 0.04% | −1,030,684−75.3% | Reduced |
| HRT Financial LP | 322,121 | $6.08M | 0.06% | +322,121 | New |
| Bank of Montreal | 321,695 | $6.07M | 0.00% | +192,766+149.5% | Added |
| Credit Suisse AG | 317,719 | $6.00M | 0.01% | +32,334+11.3% | Added |
| Simplex Trading, LLC | 305,978 | $5.77M | 0.25% | +186,966+157.1% | Added |
| Alliancebernstein L.P. | 300,514 | $5.67M | 0.00% | +11,850+4.1% | Added |
| Tri Locum Partners LP | 297,807 | $5.62M | 2.09% | +297,807 | New |
| Segall Bryant & Hamill, LLC | 291,857 | $5.51M | 0.06% | −1,951,889−87.0% | Reduced |
| Hillsdale Investment Management Inc. | 286,700 | $5.41M | 0.50% | +286,700 | New |
| New York State Common Retirement Fund | 284,389 | $5.37M | 0.01% | +42,678+17.7% | Added |
| California State Teachers Retirement System | 273,184 | $5.15M | 0.01% | +18,824+7.4% | Added |
| Primecap Management Co | 273,100 | $5.15M | 0.00% | −10,000−3.5% | Reduced |
| Prudential Financial Inc | 270,894 | $5.11M | 0.01% | −414,881−60.5% | Reduced |
| Barclays PLC | 266,542 | $5.03M | 0.00% | −584,193−68.7% | Reduced |
| Jump Financial, LLC | 257,418 | $4.86M | 0.18% | +235,651+1,082.6% | Added |
| Blair William & Co | 256,005 | $4.83M | 0.02% | −323,590−55.8% | Reduced |
| Sio Capital Management, LLC | 245,921 | $4.64M | 1.64% | +245,921 | New |
| Wells Fargo & Company | 224,047 | $4.23M | 0.00% | −205,473−47.8% | Reduced |
| State of Wisconsin Investment Board | 218,977 | $4.13M | 0.01% | +35,735+19.5% | Added |
| EAM Global Investors LLC | 218,776 | $4.13M | 1.21% | +218,776 | New |
| Legal & General Group Plc | 212,549 | $4.01M | 0.00% | +120,064+129.8% | Added |