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, Q3 2023
Institutional positions in ImmunoGen, Inc. as of Sep 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
- 276
- +12 vs. Q2 2023
- Shares held
- 245.8M
- +21.7M (+9.7%) vs. Q2 2023
- Total value
- $3.91B
- −$313.0M (−7.4%) vs. Q2 2023
- New holders
- 46
- 118 more added
- Sold out
- 34
- 72 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rhumbline Advisers | 364,396 | $5.78M | 0.01% | +449+0.1% | Added |
| Tri Locum Partners LP | 369,912 | $5.87M | 1.88% | +72,105+24.2% | Added |
| ArrowMark Colorado Holdings LLC | 383,780 | $6.09M | 0.07% | +219,288+133.3% | Added |
| Ikarian Capital, LLC | 390,162 | $6.19M | 2.30% | −57,538−12.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 392,500 | $6.23M | 0.06% | +15,531+4.1% | Added |
| Decheng Capital Management III (Cayman), LLC | 415,880 | $6.60M | 2.20% | +415,880 | New |
| Fisher Asset Management, LLC | 450,795 | $7.15M | 0.00% | −252,122−35.9% | Reduced |
| Sectoral Asset Management Inc | 464,112 | $7.37M | 1.43% | +27,665+6.3% | Added |
| Bridger Management, LLC | 467,220 | $7.41M | 2.72% | 00.0% | Unchanged |
| Swiss National Bank | 480,800 | $7.63M | 0.01% | +4,700+1.0% | Added |
| CM Management, LLC | 500,000 | $7.93M | 8.42% | 00.0% | Unchanged |
| Voya Investment Management LLC | 515,136 | $8.18M | 0.01% | +86,946+20.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 523,074 | $8.30M | 0.53% | +7,795+1.5% | Added |
| Bank of America Corp | 541,802 | $8.60M | 0.00% | +127,624+30.8% | Added |
| Rafferty Asset Management, LLC | 566,985 | $9.00M | 0.05% | +229,699+68.1% | Added |
| Man Group plc | – | $10.5M | 0.03% | – | – |
| Granahan Investment Management Inc | 681,377 | $10.8M | 0.39% | +254,625+59.7% | Added |
| American Century Companies Inc | 699,116 | $11.1M | 0.01% | −1,207−0.2% | Reduced |
| Rhenman & Partners Asset Management AB | 700,000 | $11.1M | 1.20% | −50,000−6.7% | Reduced |
| Parkman Healthcare Partners LLC | 717,920 | $11.4M | 2.09% | −122,891−14.6% | Reduced |
| Altium Capital Management LP | 725,000 | $11.5M | 6.66% | +240,000+49.5% | Added |
| Renaissance Technologies LLC | 734,640 | $11.7M | 0.02% | −483,400−39.7% | Reduced |
| Rock Springs Capital Management LP | 759,365 | $12.1M | 0.32% | +646,745+574.3% | Added |
| Lord, Abbett & Co. LLC | 759,450 | $12.1M | 0.04% | −159,545−17.4% | Reduced |
| PFM Health Sciences, LP | 869,889 | $13.8M | 0.66% | +869,889 | New |
| Ensign Peak Advisors, Inc | 875,868 | $13.9M | 0.03% | +289,275+49.3% | Added |
| Jane Street Group, LLC | 917,764 | $14.6M | 0.02% | +38,064+4.3% | Added |
| Susquehanna International Group, LLP | 974,887 | $15.5M | 0.02% | −340,771−25.9% | Reduced |
| Principal Financial Group Inc | 984,664 | $15.6M | 0.01% | −3,222−0.3% | Reduced |
| Pinnacle Associates Ltd | 1,016,156 | $16.1M | 0.30% | −193,767−16.0% | Reduced |
| Invesco Ltd. | 1,086,168 | $17.2M | 0.00% | +50,463+4.9% | Added |
| Panagora Asset Management Inc | 1,098,417 | $17.4M | 0.11% | −19,552−1.7% | Reduced |
| Candriam Luxembourg S.C.A. | 1,122,588 | $17.8M | 0.15% | +130,006+13.1% | Added |
| Dimensional Fund Advisors LP | 1,180,744 | $18.7M | 0.01% | −8,475−0.7% | Reduced |
| Goldman Sachs Group Inc | 1,239,099 | $19.7M | 0.00% | −372,003−23.1% | Reduced |
| Citadel Advisors LLC | 1,287,542 | $20.4M | 0.02% | +359,302+38.7% | Added |
| Two Sigma Advisers, LP | 1,294,518 | $20.5M | 0.05% | +108,400+9.1% | Added |
| Eventide Asset Management, LLC | 1,300,000 | $20.6M | 0.37% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 1,307,435 | $20.7M | 7.73% | −112,565−7.9% | Reduced |
| QVT Financial LP | 1,375,900 | $21.8M | 1.30% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 1,440,052 | $22.9M | 0.30% | +263,922+22.4% | Added |
| Emerald Mutual Fund Advisers Trust | 1,466,063 | $23.3M | 1.40% | +649,069+79.4% | Added |
| Tang Capital Management LLC | 1,500,000 | $23.8M | 3.36% | +200,000+15.4% | Added |
| Artal Group S.A. | 1,512,113 | $24.0M | 1.05% | +746,616+97.5% | Added |
| Millennium Management LLC | 1,605,714 | $25.5M | 0.03% | −1,092,149−40.5% | Reduced |
| Two Sigma Investments, LP | 1,628,217 | $25.8M | 0.07% | +812,680+99.6% | Added |
| Bank of New York Mellon Corp | 1,796,110 | $28.5M | 0.01% | +703,117+64.3% | Added |
| Emerald Advisers, LLC | 1,811,306 | $28.7M | 1.39% | +827,609+84.1% | Added |
| Charles Schwab Investment Management Inc | 1,830,575 | $29.1M | 0.01% | +20,113+1.1% | Added |
| Avidity Partners Management LP | 1,917,907 | $30.4M | 1.23% | −79,893−4.0% | Reduced |
| Sofinnova Investments, Inc. | 2,045,202 | $32.5M | 2.26% | +1,217,884+147.2% | Added |
| Norges Bank | 2,055,089 | $32.6M | 0.01% | +1,890,089+1,145.5% | Added |
| Nicholas Investment Partners, LP | 2,067,561 | $32.8M | 2.45% | +843,434+68.9% | Added |
| JPMorgan Chase & Co | 2,198,427 | $34.9M | 0.00% | +1,336,005+154.9% | Added |
| Northern Trust Corp | 2,370,864 | $37.6M | 0.01% | −25,182−1.1% | Reduced |
| Woodline Partners LP | 2,433,161 | $38.6M | 0.45% | −114,478−4.5% | Reduced |
| Voloridge Investment Management, LLC | 2,512,251 | $39.9M | 0.20% | +481,296+23.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 2,518,527 | $40.0M | 0.93% | −1,268,371−33.5% | Reduced |
| Boxer Capital, LLC | 2,961,000 | $47.0M | 2.50% | 00.0% | Unchanged |
| Hood River Capital Management LLC | 3,044,485 | $48.3M | 1.55% | +60,814+2.0% | Added |
| Nuveen Asset Management, LLC | 3,108,039 | $49.3M | 0.02% | +465,505+17.6% | Added |
| Pictet Asset Management Holding SA | 3,708,139 | $58.8M | 0.07% | +3,708,139 | New |
| Artisan Partners Limited Partnership | 3,724,583 | $59.1M | 0.10% | −1,3380.0% | Reduced |
| Price T Rowe Associates Inc | 3,906,370 | $62.0M | 0.01% | +1,584,109+68.2% | Added |
| Morgan Stanley | 4,829,091 | $76.6M | 0.01% | +1,490,486+44.6% | Added |
| Geode Capital Management, LLC | 4,899,975 | $77.8M | 0.01% | +147,425+3.1% | Added |
| FMR LLC | 5,788,555 | $91.9M | 0.01% | +175,813+3.1% | Added |
| Fairmount Funds Management LLC | 5,929,592 | $94.1M | 11.32% | −100,000−1.7% | Reduced |
| D. E. Shaw & Co., Inc. | 6,995,239 | $111.0M | 0.18% | +714,723+11.4% | Added |
| State Street Corp | 9,551,852 | $151.6M | 0.01% | +1,612,938+20.3% | Added |
| Wellington Management Group LLP | 13,258,997 | $210.4M | 0.04% | +3,506,098+35.9% | Added |
| Ra Capital Management, L.P. | 13,322,288 | $211.4M | 4.16% | +10,992,330+471.8% | Added |
| Redmile Group, LLC | 17,503,417 | $277.8M | 13.22% | −227,000−1.3% | Reduced |
| Janus Henderson Group PLC | 17,684,816 | $280.6M | 0.18% | +2,185,028+14.1% | Added |
| BlackRock Inc. | 20,273,859 | $321.7M | 0.01% | −631,127−3.0% | Reduced |
| Vanguard Group Inc | 24,482,155 | $388.5M | 0.01% | +3,583,129+17.1% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −8,712,142−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −1,520,097−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −909,595−100.0% | Sold out |
| Artia Global Partners LP | 0 | $0 | 0.00% | −543,358−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −322,121−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −291,857−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −218,776−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −111,320−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −108,000−100.0% | Sold out |
| Connective Portfolio Management, LLC | 0 | $0 | 0.00% | −78,000−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −77,537−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −74,694−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −44,800−100.0% | Sold out |
| Thompson Siegel & Walmsley LLC | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −41,815−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −35,454−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −31,249−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −28,630−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −17,995−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −15,513−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −15,346−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −13,500−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −11,601−100.0% | Sold out |