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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.

Q4 2023 vs. Q3 2023

How the institutions holding ImmunoGen, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of IMGN: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders2761327+52
Shares245.8M415.9K254.1M+8.75M (+3.6%)
Value$3.91B$6.60M$7.54B+$3.63B (+93.0%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (121)

Institutions that held ImmunoGen, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Showing the largest 100 of 121 by value.

Institutions new to IMGN in Q4 2023
InstitutionSharesValue% of portfolio
Pentwater Capital Management LP5,662,500$167.9M3.15%
FIL Ltd5,360,000$158.9M0.17%
Davidson Kempner Capital Management LP3,252,001$96.5M1.70%
TIG Advisors, LLC2,313,670$68.6M10.29%
Omni Event Management Ltd2,036,155$60.4M9.61%
UBS Oconnor LLC1,915,452$56.8M1.80%
Alpine Associates Management Inc.1,761,300$52.2M2.68%
Magnetar Financial LLC1,629,285$48.3M1.23%
CNH Partners LLC1,429,078$42.4M1.71%
Kynam Capital Management, LP1,422,503$42.2M4.77%
Affinity Asset Advisors, LLC1,404,608$41.6M8.30%
Westchester Capital Management, LLC1,364,927$40.5M1.63%
Taconic Capital Advisors LP1,325,000$39.3M3.79%
Marshall Wace, LLP1,187,027$35.2M0.07%
Water Island Capital LLC893,758$26.5M2.72%
Avoro Capital Advisors LLC875,000$25.9M0.36%
Farallon Capital Management, L.L.C.842,000$25.0M0.16%
Eversept Partners, LP748,950$22.2M2.18%
Gabelli Funds LLC745,500$22.1M0.17%
New York Life Investment Management LLC682,396$20.2M0.21%
Decheng Capital LLC659,928$19.6M5.47%
Gabelli & Co Investment Advisers, Inc.624,750$18.5M3.48%
Superstring Capital Management LP598,072$17.7M12.66%
Vivaldi Asset Management, LLC596,720$17.7M1.36%
Canada Pension Plan Investment Board586,990$17.4M0.02%
Melqart Asset Management (UK) Ltd531,324$15.8M1.27%
HSBC Holdings PLC519,779$15.4M0.01%
Picton Mahoney Asset Management500,000$14.8M0.69%
Carlson Capital L P466,188$13.8M1.11%
Slotnik Capital, LLC460,000$13.6M9.47%
Segantii Capital Management Ltd415,000$12.3M0.72%
First Trust Advisors LP307,539$9.12M0.01%
Glazer Capital, LLC268,135$7.95M0.82%
Qube Research & Technologies Ltd263,880$7.82M0.02%
Kennedy Capital Management, Inc.241,032$7.15M0.16%
FORA Capital, LLC221,921$6.58M0.57%
Twin Securities, Inc.221,622$6.57M7.10%
Harvest Management LLC214,000$6.35M7.16%
Highbridge Capital Management LLC200,000$5.93M0.31%
Versor Investments LP192,295$5.70M1.16%
Calamos Advisors LLC191,117$5.67M0.03%
HGC Investment Management Inc.188,929$5.60M1.63%
Exome Asset Management LLC186,900$5.54M5.48%
Vestcor Inc175,000$5.19M0.18%
P Schoenfeld Asset Management LP165,000$4.89M1.37%
Readystate Asset Management LP149,510$4.43M0.26%
Armistice Capital, LLC134,698$3.99M0.11%
Cowen and Company, LLC131,099$3.89M0.25%
Centiva Capital, LP125,000$3.71M0.23%
Carmignac Gestion114,380$3.39M0.06%
Walleye Capital LLC111,863$3.32M0.05%
ClearAlpha Technologies LP100,956$2.99M1.14%
Murchinson Ltd.100,000$2.96M0.56%
Susquehanna Portfolio Strategies, LLC96,427$2.86M0.05%
Jefferies Financial Group Inc.95,166$2.82M0.04%
Wolverine Asset Management LLC93,223$2.76M0.04%
Engineers Gate Manager LP87,651$2.60M0.07%
Tudor Investment Corp Et Al85,609$2.54M0.04%
Angelo Gordon & Co., L.P.80,000$2.37M0.82%
Polar Asset Management Partners Inc.80,000$2.37M0.06%
Dynamic Technology Lab Private Ltd72,466$2.15M0.23%
Kellner Capital, LLC69,200$2.05M3.70%
Keebeck Alpha, LP67,137$1.99M1.57%
Yakira Capital Management, Inc.66,219$1.96M0.64%
Silphium Asset Management Ltd65,000$1.93M1.03%
Laurion Capital Management LP64,930$1.93M0.07%
ADAR1 Capital Management, LLC64,355$1.91M0.85%
Verition Fund Management LLC59,396$1.76M0.02%
DLD Asset Management, LP55,000$1.63M0.26%
Gamco Investors, Inc. Et Al52,554$1.56M0.02%
Fifth Lane Capital, LP49,362$1.46M1.72%
Bardin Hill Management Partners LP40,806$1.21M0.52%
PenderFund Capital Management Ltd.27,580$1.08M0.35%
BCK Capital Management LP35,000$1.04M1.02%
Public Employees Retirement System of Ohio33,000$978.5K0.00%
Point72 Middle East FZE31,665$938.9K0.07%
Kapitalo Investimentos Ltda31,437$932.1K0.19%
Parkwood LLC25,826$766.0K0.12%
Leo Wealth, LLC25,016$741.7K0.08%
Anson Funds Management LP25,000$741.3K0.15%
Baystate Wealth Management LLC24,106$714.7K0.05%
Friedenthal Financial23,440$695.0K0.45%
Pathstone Holdings, LLC21,428$635.3K0.00%
Blackstone Group Inc.20,450$606.3K0.00%
Cetera Investment Advisers19,591$580.9K0.00%
First Bank & Trust19,374$574.4K0.14%
Oxford Asset Management LLP18,857$559.1K0.84%
NEOS Investment Management LLC17,626$522.6K0.05%
Diametric Capital, LP15,907$471.6K0.29%
Hunting Hill Global Capital, LLC15,000$444.8K0.34%
Whittier Trust Co15,000$444.6K0.01%
Hudson Bay Capital Management LP13,473$399.5K0.00%
Soleus Capital Management, L.P.13,050$386.9K0.04%
Chicago Partners Investment Group LLC11,873$350.3K0.02%
Bridgefront Capital, LLC11,509$341.2K0.26%
FNY Investment Advisers, LLC11,420$338.0K0.38%
Oracle Alpha Inc.11,322$335.7K0.43%
Quinn Opportunity Partners LLC10,000$296.5K0.03%
Wolverine Trading, LLC9,166$271.8K0.00%
Lido Advisors, LLC8,161$242.0K0.00%

Sold out (69)

Institutions that held ImmunoGen, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of IMGN in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Hood River Capital Management LLC3,044,485$48.3M
Artal Group S.A.1,512,113$24.0M
Silverarc Capital Management, LLC1,307,435$20.7M
Ensign Peak Advisors, Inc875,868$13.9M
PFM Health Sciences, LP869,889$13.8M
Lord, Abbett & Co. LLC759,450$12.1M
Altium Capital Management LP725,000$11.5M
Parkman Healthcare Partners LLC717,920$11.4M
Rhenman & Partners Asset Management AB700,000$11.1M
Bridger Management, LLC467,220$7.41M
Fisher Asset Management, LLC450,795$7.15M
Tri Locum Partners LP369,912$5.87M
Hillsdale Investment Management Inc.285,890$4.54M
Moody Aldrich Partners LLC283,950$4.51M
TD Asset Management Inc282,400$4.48M
Seven Eight Capital, LP238,930$3.79M
Group One Trading, L.P.238,327$3.78M
BIT Capital GmbH212,852$3.38M
Trexquant Investment LP200,746$3.19M
Zimmer Partners, LP192,200$3.05M
Algert Global LLC180,317$2.86M
Ghost Tree Capital, LLC175,000$2.78M
EAM Investors, LLC155,429$2.47M
Alyeska Investment Group, L.P.150,000$2.38M
Bayesian Capital Management, LP147,282$2.34M
Lighthouse Investment Partners, LLC143,049$2.27M
Aquatic Capital Management LLC116,000$1.84M
Jump Financial, LLC113,128$1.80M
Atom Investors LP99,302$1.58M
Castleark Management LLC88,490$1.40M
Putnam Investments LLC75,073$1.19M
Natixis75,000$1.19M
Jackson Creek Investment Advisors LLC67,439$1.07M
Teachers Retirement System of the State of Kentucky66,878$1.06M
Neo Ivy Capital Management55,120$875.0K
Legato Capital Management LLC43,144$684.7K
Caption Management, LLC40,600$644.3K
Monashee Investment Management LLC40,000$634.8K
ExodusPoint Capital Management, LP38,733$615.0K
Alpha DNA Investment Management LLC35,896$569.7K
Graham Capital Management, L.P.35,572$564.5K
Glenmede Trust Co NA34,813$552.5K
AE Wealth Management LLC34,147$541.9K
Mach-1 Financial Group, Inc.31,780$504.3K
Omers Administration Corp26,400$419.0K
Cambridge Investment Research Advisors, Inc.21,362$339.0K
Caxton Associates LP18,839$299.0K
Shay Capital LLC18,100$287.2K
NinePointTwo Capital17,767$281.0K
Virtus ETF Advisers LLC17,174$272.6K
Mesirow Financial Investment Management, Inc.17,094$271.3K
Quarry LP14,000$222.2K
Brinker Capital Investments, LLC13,571$215.4K
Orion Portfolio Solutions, LLC13,571$215.4K
Axq Capital, LP13,000$206.3K
Allspring Global Investments Holdings, LLC12,927$205.2K
GTS Securities LLC12,199$193.6K
Globeflex Capital L P10,978$174.2K
Capstone Investment Advisors, LLC10,722$170.2K
Essex Investment Management Co LLC7,443$118.1K
PEAK6 Investments LLC4,527$71.8K
West Tower Group, LLC3,541$56.2K
BluePath Capital Management, LLC2,193$34.8K
Cary Street Partner Investment Advisory LLC1,500$23.8K
Federated Hermes, Inc.609$9.66K
Geneos Wealth Management Inc.300$4.76K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC185$2.94K
Harbour Investments, Inc.29$460
Tfo-TDC, LLC13$245

Not filed for Q4 2023 yet (1)

Institutions that held ImmunoGen, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IMGN in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Decheng Capital Management III (Cayman), LLC415,880$6.60M