Skip to main content

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 2022

Institutional positions in ImmunoGen, Inc. as of Sep 30, 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
222
+6 vs. Q2 2022
Shares held
196.8M
+733.4K (+0.4%) vs. Q2 2022
Total value
$942.2M
+$59.8M (+6.8%) vs. Q2 2022
New holders
29
73 more added
Sold out
23
71 more reduced

Compare with Q2 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.

Institutional holdersQ3 2022: 222 institutions
Q1 2021: 217 institutionsQ2 2021: 214 institutionsQ3 2021: 217 institutionsQ4 2021: 236 institutionsQ1 2022: 217 institutionsQ2 2022: 216 institutionsQ3 2022: 222 institutionsQ4 2022: 204 institutionsQ1 2023: 191 institutionsQ2 2023: 266 institutionsQ3 2023: 276 institutionsQ4 2023: 327 institutionsQ1 2024: 3 institutionsQ2 2024: 1 institutionQ3 2024: 1 institutionQ4 2024: 1 institutionQ1 2025: 1 institutionQ2 2025: 1 institutionQ3 2025: 1 institutionQ4 2025: 1 institutionQ1 2026: 1 institutionQ2 2026: 1 institution
Value heldQ3 2022: $942.2M
Q1 2021: $1.48BQ2 2021: $1.19BQ3 2021: $1.00BQ4 2021: $1.41BQ1 2022: $925.0MQ2 2022: $882.4MQ3 2022: $942.2MQ4 2022: $1.01BQ1 2023: $806.0MQ2 2023: $4.24BQ3 2023: $3.91BQ4 2023: $7.54BQ1 2024: $27.8KQ2 2024: $31Q3 2024: $269Q4 2024: $269Q1 2025: $269Q2 2025: $269Q3 2025: $269Q4 2025: $269Q1 2026: $269Q2 2026: $269
Institutions holding IMGN and their total value by quarter
QuarterHoldersValue
Q2 20261$269
Q1 20261$269
Q4 20251$269
Q3 20251$269
Q2 20251$269
Q1 20251$269
Q4 20241$269
Q3 20241$269
Q2 20241$31
Q1 20243$27.8K
Q4 2023327$7.54B
Q3 2023276$3.91B
Q2 2023266$4.24B
Q1 2023191$806.0M
Q4 2022204$1.01B
Q3 2022222$942.2M
Q2 2022216$882.4M
Q1 2022217$925.0M
Q4 2021236$1.41B
Q3 2021217$1.00B
Q2 2021214$1.19B
Q1 2021217$1.48B

Institutions, Q3 2022

Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q2 2022.

Institutions holding IMGN in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.21,741,458$103.9M2.22%00.0%Unchanged
BlackRock Inc.17,445,026$83.4M0.00%−432,243−2.4%Reduced
Vanguard Group Inc15,624,848$74.7M0.00%−434,172−2.7%Reduced
State Street Corp14,594,873$69.8M0.00%−3,604,681−19.8%Reduced
Deerfield Management Company, L.P. (Series C)13,740,205$65.7M1.31%−1,280,285−8.5%Reduced
Wellington Management Group LLP10,007,505$47.8M0.01%−709,580−6.6%Reduced
Redmile Group, LLC8,548,145$40.9M1.58%−592,900−6.5%Reduced
Adage Capital Partners GP, L.L.C.7,900,000$37.8M0.09%−3,686,193−31.8%Reduced
Jennison Associates LLC6,197,480$29.6M0.03%+6,197,480New
Clearbridge Investments, LLC4,825,543$23.1M0.02%−546,522−10.2%Reduced
Morgan Stanley4,743,474$22.7M0.00%−742,293−13.5%Reduced
Geode Capital Management, LLC3,707,278$17.7M0.00%+21,497+0.6%Added
Maverick Capital LtdSuperinvestorMaverick Capital3,553,128$17.0M0.38%+786,654+28.4%Added
Two Sigma Advisers, LP3,012,418$14.4M0.04%+185,600+6.6%Added
Deutsche Bank AG3,006,485$14.4M0.01%−24,509−0.8%Reduced
Candriam Luxembourg S.C.A.2,854,635$13.6M0.10%+1,798,196+170.2%Added
Dimensional Fund Advisors LP2,540,851$12.1M0.00%+929,775+57.7%Added
Two Sigma Investments, LP2,424,757$11.6M0.04%+399,130+19.7%Added
Northern Trust Corp2,126,854$10.2M0.00%−17,276−0.8%Reduced
Granahan Investment Management Inc1,876,960$8.97M0.29%−4,836−0.3%Reduced
Millennium Management LLC1,840,837$8.80M0.01%−3,216,212−63.6%Reduced
Renaissance Technologies LLC1,705,140$8.15M0.01%+256,400+17.7%Added
Charles Schwab Investment Management Inc1,525,106$7.29M0.00%+60,887+4.2%Added
Tang Capital Management LLC1,500,000$7.17M0.88%00.0%Unchanged
Citadel Advisors LLC1,440,409$6.88M0.01%−409,632−22.1%Reduced
QVT Financial LP1,375,900$6.58M0.54%00.0%Unchanged
Rhenman & Partners Asset Management AB1,100,000$6.53M0.68%−100,000−8.3%Reduced
Pinnacle Associates Ltd1,348,963$6.45M0.15%−41,569−3.0%Reduced
Janus Henderson Group PLC1,310,492$6.27M0.00%+1,090,132+494.7%Added
HealthCor Management, L.P.1,300,000$6.21M0.78%+800,000+160.0%Added
Bank of America Corp1,186,337$5.67M0.00%−318,912−21.2%Reduced
Prudential Financial Inc1,161,394$5.55M0.01%+991,712+584.5%Added
FMR LLC1,105,729$5.29M0.00%+3,746+0.3%Added
Panagora Asset Management Inc1,081,008$5.17M0.04%−80,205−6.9%Reduced
Goldman Sachs Group Inc1,064,368$5.09M0.00%+217,249+25.6%Added
Voya Investment Management LLC1,032,501$4.94M0.01%+946,412+1,099.3%Added
Putnam Investments LLC1,031,092$4.93M0.01%+820,722+390.1%Added
Rafferty Asset Management, LLC947,451$4.53M0.05%+199,435+26.7%Added
Lombard Odier Asset Management (Switzerland) SA936,501$4.48M0.38%−68,125−6.8%Reduced
Citigroup Inc904,498$4.32M0.01%+101,213+12.6%Added
Segall Bryant & Hamill, LLC878,961$4.20M0.05%+24,315+2.8%Added
Sectoral Asset Management Inc848,744$4.06M0.80%−91,500−9.7%Reduced
Bank of New York Mellon Corp816,072$3.90M0.00%+69,210+9.3%Added
Primecap Management Co728,327$3.48M0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.679,132$3.25M0.01%−297,795−30.5%Reduced
Monarch Partners Asset Management LLC674,845$3.23M0.97%+674,845New
Nuveen Asset Management, LLC654,039$3.13M0.00%−304,512−31.8%Reduced
Barclays PLC612,497$2.93M0.00%+595,402+3,482.9%Added
Fisher Asset Management, LLC584,775$2.79M0.00%+203,569+53.4%Added
Susquehanna International Group, LLP574,639$2.75M0.01%+318,022+123.9%Added
Wells Fargo & Company533,640$2.55M0.00%−108,549−16.9%Reduced
Sofinnova Investments, Inc.502,393$2.40M0.15%−638,395−56.0%Reduced
CM Management, LLC500,000$2.39M2.67%+25,000+5.3%Added
Kennedy Capital Management, Inc.477,659$2.28M0.07%+356,952+295.7%Added
Swiss National Bank470,700$2.25M0.00%+3,200+0.7%Added
Silverarc Capital Management, LLC438,695$2.10M0.89%+22,216+5.3%Added
HRT Financial LP361,353$1.73M0.02%+361,353New
Cubist Systematic Strategies, LLC360,770$1.72M0.01%+128,378+55.2%Added
ExodusPoint Capital Management, LP360,717$1.72M0.02%+209,281+138.2%Added
Squarepoint Ops LLC350,010$1.67M0.01%+233,781+201.1%Added
BNP Paribas Arbitrage, SA344,240$1.65M0.00%+281,816+451.5%Added
Qube Research & Technologies Ltd335,370$1.60M0.01%+323,133+2,640.6%Added
Hennion & Walsh Asset Management, Inc.332,874$1.59M0.10%+23,540+7.6%Added
Alliancebernstein L.P.324,073$1.55M0.00%−156,248−32.5%Reduced
Rhumbline Advisers319,328$1.53M0.00%+20,656+6.9%Added
Ensign Peak Advisors, Inc301,826$1.44M0.00%+261,756+653.2%Added
Credit Suisse AG277,669$1.33M0.00%+20,624+8.0%Added
Blair William & Co266,845$1.28M0.01%+400+0.2%Added
California State Teachers Retirement System255,574$1.22M0.00%−5,330−2.0%Reduced
UBS Asset Management Americas Inc244,602$1.17M0.00%+24,834+11.3%Added
Kercheville Advisors, LLC238,302$1.14M1.16%+1,100+0.5%Added
Marshall Wace, LLP236,200$1.13M0.00%+236,200New
Jump Financial, LLC219,140$1.05M0.04%+187,519+593.0%Added
Raymond James & Associates210,737$1.01M0.00%−20,137−8.7%Reduced
New York State Common Retirement Fund207,030$990.0K0.00%−736−0.4%Reduced
State of Wisconsin Investment Board204,717$979.0K0.00%−10,862−5.0%Reduced
Ironwood Investment Management LLC177,600$849.0K0.59%−106−0.1%Reduced
Commonwealth Equity Services, LLC166,685$796.0K0.00%−904−0.5%Reduced
Teachers Retirement System of the State of Kentucky157,685$754.0K0.01%+157,685New
Birchview Capital, LP150,000$717.0K0.50%00.0%Unchanged
Fernwood Investment Management, LLC148,840$711.0K0.30%−10,000−6.3%Reduced
UBS Group AG145,191$694.0K0.00%−50,996−26.0%Reduced
Acuta Capital Partners, LLC140,000$669.0K0.30%+140,000New
JPMorgan Chase & Co133,504$638.0K0.00%+7,452+5.9%Added
STRS Ohio132,000$630.0K0.00%00.0%Unchanged
Ameriprise Financial Inc124,765$596.0K0.00%−1,451−1.1%Reduced
Alps Advisors Inc120,468$576.0K0.01%−10,352−7.9%Reduced
ClariVest Asset Management LLC118,800$568.0K0.03%+118,800New
Royal Bank of Canada117,730$563.0K0.00%+16,125+15.9%Added
MetLife Investment Management110,444$527.9K0.00%+9,667+9.6%Added
Tower Research Capital LLC (TRC)103,455$495.0K0.01%+53,856+108.6%Added
American International Group, Inc.101,932$487.0K0.00%+1,441+1.4%Added
Price T Rowe Associates Inc100,823$482.0K0.00%+52,410+108.3%Added
Allianz Asset Management GmbH98,200$469.0K0.00%−322,120−76.6%Reduced
Mackenzie Financial Corp97,035$464.0K0.00%−1,002−1.0%Reduced
Twin Focus Capital Partners, LLC94,013$449.0K0.11%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.94,050$449.0K0.00%+27,253+40.8%Added
Schonfeld Strategic Advisors LLC92,603$443.0K0.00%+92,603New
Stifel Financial Corp91,596$438.0K0.00%−22,838−20.0%Reduced
Invesco Ltd.91,459$437.0K0.00%+5,062+5.9%Added