ImmunoGen, Inc.
Hedge Funds Holdings

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ImmunoGen, Inc.‘s stocks are currently a part of 201 hedge funds’ portfolios, which represents 93.35% of the total amount of its stocks outstanding. This makes up a total of 192.42M shares of ImmunoGen, Inc.. Compared to the previous quarter, the number grew by 1.38% or 2.62M shares more. As for the holding position changes, 36.82% (74) of current hedge fund investors increased the number of shares held, 30.35% (61) of current holders sold a part of the shares held, and 20.4% (41) closed the holdings completely. 27 hedge funds are new holders of ImmunoGen, Inc. stock in Q1 2022, it is 13.43% of total holders.

Hedge funds holding ImmunoGen (Q2 2017 – Q1 2022)

Number of hedge funds
Q2 2017 153
Q3 2017 175
Q4 2017 191
Q1 2018 200
Q2 2018 191
Q3 2018 198
Q4 2018 187
Q1 2019 195
Q2 2019 175
Q3 2019 173
Q4 2019 182
Q1 2020 174
Q2 2020 181
Q3 2020 170
Q4 2020 203
Q1 2021 208
Q2 2021 204
Q3 2021 207
Q4 2021 222
Q1 2022 201

Hedge funds changes in ImmunoGen positions (Q2 2017 – Q1 2022)

Changes in positions
Q2 2017 364145625
Q3 2017 3943561621
Q4 2017 476250293
Q1 2018 45576834-4
Q2 2018 277352345
Q3 2018 3560612913
Q4 2018 34665645-14
Q1 2019 3764542911
Q2 2019 255951400
Q3 2019 275259305
Q4 2019 355756259
Q1 2020 30704534-5
Q2 2020 3066502411
Q3 2020 1648682810
Q4 2020 4455711221
Q1 2021 327171268
Q2 2021 3167583414
Q3 2021 2859762321
Q4 2021 4289532711
Q1 2022 27746141-2

Hedge funds changes in ImmunoGen stock options (Q2 2017 – Q1 2022)

Changes in stock options
Q2 2017 4,327,000 1,700,000
Q3 2017 5,987,000 5,375,000
Q4 2017 3,448,000 1,944,000
Q1 2018 8,846,000 27,496,000
Q2 2018 8,067,000 8,013,000
Q3 2018 16,855,000 2,218,000
Q4 2018 18,370,000 3,492,000
Q1 2019 13,064,000 10,343,000
Q2 2019 2,472,000 860,000
Q3 2019 2,463,000 476,000
Q4 2019 2,700,000 777,000
Q1 2020 1,012,000 566,000
Q2 2020 891,000 803,000
Q3 2020 945,000 559,000
Q4 2020 3,911,000 4,088,000
Q1 2021 7,099,000 3,560,000
Q2 2021 12,855,000 1,072,000
Q3 2021 17,004,000 6,540,000
Q4 2021 11,795,000 6,802,000
Q1 2022 6,121,000 1,697,000

Top 50 hedge fund holders of ImmunoGen, Inc. (NASDAQ:IMGN)

Hedge fund Value Shares owned Portfolio share
RA CAPITAL MANAGEMENT, L.P. 103.92M 21.74M 2.217%
BLACKROCK INC. Larry Fink 83.38M 17.44M 0.003%
VANGUARD GROUP INC 74.68M 15.62M 0.002%
STATE STREET CORP 69.76M 14.59M 0.004%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 65.67M 13.74M 1.307%
WELLINGTON MANAGEMENT GROUP LLP Jean Hynes 47.83M 10.00M 0.010%
REDMILE GROUP, LLC 40.86M 8.54M 1.585%
ADAGE CAPITAL PARTNERS GP, L.L.C. 37.76M 7.9M 0.094%
JENNISON ASSOCIATES LLC 29.62M 6.19M 0.029%
CLEARBRIDGE INVESTMENTS, LLC 23.06M 4.82M 0.023%
MORGAN STANLEY 22.67M 4.74M 0.003%
GEODE CAPITAL MANAGEMENT, LLC 17.72M 3.70M 0.003%
MAVERICK CAPITAL LTD 16.98M 3.55M 0.383%
TWO SIGMA ADVISERS, LP 14.39M 3.01M 0.042%
DEUTSCHE BANK AG\ 14.37M 3.00M 0.009%
CANDRIAM S.C.A. 13.64M 2.85M 0.096%
DIMENSIONAL FUND ADVISORS LP 12.14M 2.54M 0.005%
TWO SIGMA INVESTMENTS, LP John Overdeck 11.59M 2.42M 0.039%
NORTHERN TRUST CORP 10.16M 2.12M 0.002%
GRANAHAN INVESTMENT MANAGEMENT, LLC 8.97M 1.87M 0.293%
MILLENNIUM MANAGEMENT LLC Israel Englander 8.79M 1.84M 0.005%
RENAISSANCE TECHNOLOGIES LLC Jim Simons 8.15M 1.70M 0.011%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 7.29M 1.52M 0.003%
TANG CAPITAL MANAGEMENT LLC 7.17M 1.5M 0.879%
CITADEL ADVISORS LLC Ken Griffin 6.88M 1.44M 0.002%
QVT FINANCIAL LP 6.57M 1.37M 0.459%
RHENMAN & PARTNERS ASSET MANAGEMENT AB 6.53M 1.1M 0.684%
PINNACLE ASSOCIATES LTD 6.44M 1.34M 0.148%
JANUS HENDERSON GROUP PLC 6.27M 1.31M 0.005%
HEALTHCOR MANAGEMENT, L.P. 6.21M 1.3M 0.777%
BANK OF AMERICA CORP /DE/ 5.67M 1.18M 0.001%
PRUDENTIAL FINANCIAL INC 5.55M 1.16M 0.009%
FMR LLC 5.28M 1.10M 0.001%
PANAGORA ASSET MANAGEMENT INC 5.16M 1.08M 0.036%
GOLDMAN SACHS GROUP INC 5.08M 1.06M 0.001%
VOYA INVESTMENT MANAGEMENT LLC 4.93M 1.03M 0.005%
PUTNAM INVESTMENTS LLC 4.92M 1.03M 0.009%
RAFFERTY ASSET MANAGEMENT, LLC 4.52M 947.45K 0.048%
LOMBARD ODIER ASSET MANAGEMENT (SWITZERLAND) SA 4.47M 936.50K 0.380%
CITIGROUP INC 4.32M 904.35K 0.003%
SEGALL BRYANT & HAMILL, LLC 4.19M 878.96K 0.050%
SECTORAL ASSET MANAGEMENT INC 4.05M 848.74K 0.799%
BANK OF NEW YORK MELLON CORP 3.90M 815.97K 0.001%
PRIMECAP MANAGEMENT CO/CA/ 3.48M 728.32K 0.003%
D. E. SHAW & CO., INC. David E. Shaw 3.24M 679.13K 0.004%
MONARCH PARTNERS ASSET MANAGEMENT LLC 3.22M 674.84K 0.969%
NUVEEN ASSET MANAGEMENT, LLC 3.12M 654.03K 0.001%
BARCLAYS PLC 2.92M 612.49K 0.003%
MILLENNIUM MANAGEMENT LLC Israel Englander 2.89M 605K 0.002%
FISHER ASSET MANAGEMENT, LLC 2.79M 584.77K 0.002%