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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 2022

Institutional positions in ImmunoGen, Inc. as of Jun 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
216
+2 vs. Q1 2022
Shares held
196.1M
+1.89M (+1.0%) vs. Q1 2022
Total value
$882.4M
−$41.1M (−4.4%) vs. Q1 2022
New holders
25
62 more added
Sold out
23
82 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 216 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 heldQ2 2022: $882.4M
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, Q2 2022

Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q1 2022.

Institutions holding IMGN in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.21,741,458$97.8M2.61%00.0%Unchanged
State Street Corp18,199,554$81.9M0.00%+4,492,165+32.8%Added
BlackRock Inc.17,877,269$80.4M0.00%+1,444,336+8.8%Added
Vanguard Group Inc16,059,020$72.3M0.00%+580,504+3.8%Added
Deerfield Management Company, L.P. (Series C)15,020,490$67.6M1.42%+11,549,815+332.8%Added
Adage Capital Partners GP, L.L.C.11,586,193$52.1M0.12%00.0%Unchanged
Wellington Management Group LLP10,717,085$48.2M0.01%−2,346,399−18.0%Reduced
Redmile Group, LLC9,141,045$41.1M1.57%−76,900−0.8%Reduced
Morgan Stanley5,485,767$24.7M0.00%+241,147+4.6%Added
Clearbridge Investments, LLC5,372,065$24.2M0.02%−130,778−2.4%Reduced
Millennium Management LLC5,057,049$22.8M0.03%+1,557,032+44.5%Added
Geode Capital Management, LLC3,685,781$16.6M0.00%+196,412+5.6%Added
Deutsche Bank AG3,030,994$13.6M0.01%+85,277+2.9%Added
Two Sigma Advisers, LP2,826,818$12.7M0.04%+364,900+14.8%Added
Maverick Capital LtdSuperinvestorMaverick Capital2,766,474$12.4M0.31%+2,766,474New
Northern Trust Corp2,144,130$9.65M0.00%−54,108−2.5%Reduced
Two Sigma Investments, LP2,025,627$9.12M0.03%−60,205−2.9%Reduced
Granahan Investment Management Inc1,881,796$8.47M0.29%−75,923−3.9%Reduced
Citadel Advisors LLC1,850,041$8.32M0.01%+1,112,373+150.8%Added
Dimensional Fund Advisors LP1,611,076$7.25M0.00%+1,611,076New
Bank of America Corp1,505,249$6.77M0.00%+44,817+3.1%Added
Tang Capital Management LLC1,500,000$6.75M1.02%00.0%Unchanged
Charles Schwab Investment Management Inc1,464,219$6.59M0.00%−36,000−2.4%Reduced
Renaissance Technologies LLC1,448,740$6.52M0.01%−13,600−0.9%Reduced
Pinnacle Associates Ltd1,390,532$6.26M0.14%−14,136−1.0%Reduced
QVT Financial LP1,375,900$6.19M0.41%00.0%Unchanged
Rhenman & Partners Asset Management AB1,200,000$5.40M0.61%−225,000−15.8%Reduced
Panagora Asset Management Inc1,161,213$5.22M0.03%−12,642−1.1%Reduced
Sofinnova Investments, Inc.1,140,788$5.13M0.46%−287,381−20.1%Reduced
FMR LLC1,101,983$4.96M0.00%−10,972,360−90.9%Reduced
Candriam Luxembourg S.C.A.1,056,439$4.75M0.04%+1,056,439New
Lombard Odier Asset Management (Switzerland) SA1,004,626$4.52M0.38%−1,270,783−55.8%Reduced
D. E. Shaw & Co., Inc.976,927$4.40M0.01%−274,750−22.0%Reduced
Nuveen Asset Management, LLC958,551$4.31M0.00%−1,231,506−56.2%Reduced
Sectoral Asset Management Inc940,244$4.23M0.85%+61,400+7.0%Added
Segall Bryant & Hamill, LLC854,646$3.85M0.04%+10,483+1.2%Added
Goldman Sachs Group Inc847,119$3.81M0.00%+167,137+24.6%Added
Citigroup Inc803,285$3.61M0.00%+619,203+336.4%Added
Rafferty Asset Management, LLC748,016$3.37M0.03%−104,868−12.3%Reduced
Bank of New York Mellon Corp746,862$3.36M0.00%−52,040−6.5%Reduced
Primecap Management Co728,327$3.28M0.00%−28,500−3.8%Reduced
Wells Fargo & Company642,189$2.89M0.00%−178,669−21.8%Reduced
HealthCor Management, L.P.500,000$2.25M0.23%−810,340−61.8%Reduced
Alliancebernstein L.P.480,321$2.16M0.00%+191,657+66.4%Added
CM Management, LLC475,000$2.14M2.28%+25,000+5.6%Added
Swiss National Bank467,500$2.10M0.00%−11,600−2.4%Reduced
Allianz Asset Management GmbH420,320$1.89M0.00%+220,185+110.0%Added
Silverarc Capital Management, LLC416,479$1.87M0.88%−228,521−35.4%Reduced
Fisher Asset Management, LLC381,206$1.72M0.00%+722+0.2%Added
Driehaus Capital Management LLC330,909$1.49M0.02%+80,909+32.4%Added
Tudor Investment Corp Et Al320,147$1.44M0.04%−254,522−44.3%Reduced
Hennion & Walsh Asset Management, Inc.309,334$1.39M0.09%+113,188+57.7%Added
Rhumbline Advisers298,672$1.34M0.00%+46,584+18.5%Added
Altium Capital Management LP280,000$1.26M0.53%−640,000−69.6%Reduced
Bridger Management, LLC278,000$1.25M0.28%−224,000−44.6%Reduced
Blair William & Co266,445$1.20M0.01%−271,965−50.5%Reduced
California State Teachers Retirement System260,904$1.17M0.00%−3,683−1.4%Reduced
Credit Suisse AG257,045$1.16M0.00%−12,205−4.5%Reduced
Susquehanna International Group, LLP256,617$1.16M0.00%−139,068−35.1%Reduced
Kercheville Advisors, LLC237,202$1.07M0.70%+10,600+4.7%Added
Cubist Systematic Strategies, LLC232,392$1.05M0.01%+92,838+66.5%Added
Raymond James & Associates230,874$1.04M0.00%−11,066−4.6%Reduced
Janus Henderson Group PLC220,360$993.0K0.00%−1,017,967−82.2%Reduced
UBS Asset Management Americas Inc219,768$989.0K0.00%+32,642+17.4%Added
State of Wisconsin Investment Board215,579$970.0K0.00%−29,521−12.0%Reduced
Walleye Capital LLC215,198$968.0K0.03%+158,682+280.8%Added
Putnam Investments LLC210,370$946.0K0.00%−2,612−1.2%Reduced
New York State Common Retirement Fund207,766$935.0K0.00%+433+0.2%Added
UBS Group AG196,187$883.0K0.00%−382,315−66.1%Reduced
HighVista Strategies LLC191,726$863.0K0.52%+114,032+146.8%Added
SG Americas Securities, LLC179,071$806.0K0.01%+179,071New
Ironwood Investment Management LLC177,706$800.0K0.53%+145+0.1%Added
Prudential Financial Inc169,682$764.0K0.00%+152,368+880.0%Added
Commonwealth Equity Services, LLC167,589$754.0K0.00%+137,534+457.6%Added
Algert Global LLC162,237$730.0K0.05%−87,360−35.0%Reduced
Fernwood Investment Management, LLC158,840$715.0K0.31%00.0%Unchanged
ExodusPoint Capital Management, LP151,436$681.0K0.01%+731+0.5%Added
Birchview Capital, LP150,000$675.0K0.49%−40,000−21.1%Reduced
STRS Ohio132,000$594.0K0.00%+4,000+3.1%Added
Alps Advisors Inc130,820$589.0K0.01%−95,829−42.3%Reduced
Altshuler Shaham Ltd129,000$581.0K0.01%00.0%Unchanged
JPMorgan Chase & Co126,052$568.0K0.00%+479+0.4%Added
Ameriprise Financial Inc126,216$568.0K0.00%+676+0.5%Added
Kennedy Capital Management, Inc.120,707$543.0K0.02%+120,707New
Squarepoint Ops LLC116,229$523.0K0.00%−140,721−54.8%Reduced
Norges Bank114,900$517.0K0.00%−1,820,000−94.1%Reduced
Stifel Financial Corp114,434$516.0K0.00%+3,050+2.7%Added
Balyasny Asset Management LLC109,741$493.0K0.00%+109,741New
Royal Bank of Canada101,605$457.0K0.00%−22,965−18.4%Reduced
MetLife Investment Management100,777$453.5K0.00%−7,699−7.1%Reduced
American International Group, Inc.100,491$452.0K0.00%−6,215−5.8%Reduced
Mackenzie Financial Corp98,037$441.0K0.00%+17,221+21.3%Added
Twin Focus Capital Partners, LLC94,013$423.0K0.10%−55−0.1%Reduced
Baxter Bros Inc87,000$391.0K0.07%00.0%Unchanged
Invesco Ltd.86,397$389.0K0.00%+2,110+2.5%Added
Voya Investment Management LLC86,089$388.0K0.00%+3,659+4.4%Added
Manufacturers Life Insurance Company, The85,799$386.1K0.00%+434+0.5%Added
E Fund Management Co., Ltd.85,764$386.0K0.03%+42,978+100.4%Added
Advisor Group Holdings, Inc.80,636$363.0K0.00%−8,391−9.4%Reduced
Group One Trading, L.P.80,641$363.0K0.01%−18,575−18.7%Reduced