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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.

Q1 2024 vs. Q4 2023

How the institutions holding ImmunoGen, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of IMGN: Q4 2023 compared with Q1 2024
MeasureQ4 2023Of which not filed for Q1 2024Q1 2024Change
Holders32733−321
Shares254.1M94.4K893−254.0M (−100.0%)
Value$7.54B$2.80M$27.8K−$7.53B (−100.0%)

3 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (1)

Institutions that held ImmunoGen, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to IMGN in Q1 2024
InstitutionSharesValue% of portfolio
Mather Group, LLC.62$1.84K0.00%

Sold out (322)

Institutions that held ImmunoGen, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Showing the largest 100 of 322 by value.

Institutions that sold out of IMGN in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Vanguard Group Inc25,466,950$755.1M
Ra Capital Management, L.P.23,750,601$704.2M
BlackRock Inc.21,824,392$647.1M
Redmile Group, LLC16,423,922$487.0M
Janus Henderson Group PLC11,043,986$327.5M
State Street Corp8,075,671$239.4M
Fairmount Funds Management LLC5,929,592$175.8M
Pentwater Capital Management LP5,662,500$167.9M
Norges Bank5,539,334$164.2M
Geode Capital Management, LLC5,382,875$159.6M
FIL Ltd5,360,000$158.9M
D. E. Shaw & Co., Inc.4,522,797$134.1M
Millennium Management LLC4,473,868$132.7M
Morgan Stanley4,109,177$121.8M
Davidson Kempner Capital Management LP3,252,001$96.5M
Voloridge Investment Management, LLC3,221,231$95.5M
Boxer Capital, LLC2,961,000$87.8M
Maverick Capital LtdSuperinvestorMaverick Capital2,493,217$73.9M
Northern Trust Corp2,328,671$69.0M
TIG Advisors, LLC2,313,670$68.6M
Tang Capital Management LLC2,199,137$65.2M
JPMorgan Chase & Co2,063,254$61.2M
Nuveen Asset Management, LLC2,052,894$60.9M
Omni Event Management Ltd2,036,155$60.4M
Wellington Management Group LLP1,954,413$57.9M
UBS Oconnor LLC1,915,452$56.8M
Charles Schwab Investment Management Inc1,892,446$56.1M
Avidity Partners Management LP1,829,215$54.2M
Healthcare of Ontario Pension Plan Trust Fund1,785,296$52.9M
Alpine Associates Management Inc.1,761,300$52.2M
Emerald Advisers, LLC1,744,981$51.7M
Renaissance Technologies LLC1,631,240$48.4M
Magnetar Financial LLC1,629,285$48.3M
Sofinnova Investments, Inc.1,546,902$45.9M
Alliancebernstein L.P.1,507,809$44.7M
Balyasny Asset Management LLC1,496,758$44.4M
CNH Partners LLC1,429,078$42.4M
Kynam Capital Management, LP1,422,503$42.2M
Affinity Asset Advisors, LLC1,404,608$41.6M
QVT Financial LP1,375,900$40.8M
Westchester Capital Management, LLC1,364,927$40.5M
Taconic Capital Advisors LP1,325,000$39.3M
Goldman Sachs Group Inc1,189,485$35.3M
Emerald Mutual Fund Advisers Trust1,188,209$35.2M
Marshall Wace, LLP1,187,027$35.2M
Artisan Partners Limited Partnership1,172,323$34.8M
Principal Financial Group Inc1,127,402$33.4M
Candriam Luxembourg S.C.A.1,122,598$33.3M
Price T Rowe Associates Inc1,088,213$32.3M
Deutsche Bank AG1,065,880$31.6M
Bank of New York Mellon Corp1,063,500$31.5M
Pinnacle Associates Ltd1,011,792$30.0M
Pictet Asset Management Holding SA975,962$28.9M
Adage Capital Partners GP, L.L.C.971,928$28.8M
Water Island Capital LLC893,758$26.5M
Invesco Ltd.885,323$26.2M
Avoro Capital Advisors LLC875,000$25.9M
Farallon Capital Management, L.L.C.842,000$25.0M
American Century Companies Inc836,134$24.8M
Citadel Advisors LLC795,458$23.6M
Bank of America Corp780,279$23.1M
Eventide Asset Management, LLC763,000$22.6M
Rock Springs Capital Management LP759,365$22.5M
Eversept Partners, LP748,950$22.2M
Gabelli Funds LLC745,500$22.1M
Susquehanna International Group, LLP736,034$21.8M
New York Life Investment Management LLC682,396$20.2M
Voya Investment Management LLC677,450$20.1M
Decheng Capital LLC659,928$19.6M
Sio Capital Management, LLC644,366$19.1M
Barclays PLC642,156$19.0M
Jane Street Group, LLC634,353$18.8M
Gabelli & Co Investment Advisers, Inc.624,750$18.5M
Superstring Capital Management LP598,072$17.7M
Vivaldi Asset Management, LLC596,720$17.7M
Canada Pension Plan Investment Board586,990$17.4M
Man Group plc535,000$15.9M
Melqart Asset Management (UK) Ltd531,324$15.8M
Two Sigma Advisers, LP523,118$15.5M
HSBC Holdings PLC519,779$15.4M
Picton Mahoney Asset Management500,000$14.8M
CM Management, LLC500,000$14.8M
Swiss National Bank480,800$14.3M
Carlson Capital L P466,188$13.8M
Slotnik Capital, LLC460,000$13.6M
FMR LLC456,168$13.5M
Dimensional Fund Advisors LP454,213$13.5M
Credit Suisse AG417,277$12.4M
Segantii Capital Management Ltd415,000$12.3M
Panagora Asset Management Inc409,658$12.1M
Woodline Partners LP400,000$11.9M
Two Sigma Investments, LP363,900$10.8M
Rhumbline Advisers361,594$10.7M
Hennion & Walsh Asset Management, Inc.356,997$10.6M
Cubist Systematic Strategies, LLC340,346$10.1M
Citigroup Inc337,743$10.0M
UBS Asset Management Americas Inc310,789$9.21M
First Trust Advisors LP307,539$9.12M
Rafferty Asset Management, LLC307,369$9.11M
Capital Fund Management S.A.297,985$8.84M

Not filed for Q1 2024 yet (3)

Institutions that held ImmunoGen, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IMGN in Q4 2023 that haven't filed for Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Kellner Capital, LLC69,200$2.05M
Baystate Wealth Management LLC24,106$714.7K
Coppell Advisory Solutions LLC1,068$31.7K