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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, Q4 2021

Institutional positions in ImmunoGen, Inc. as of Dec 31, 2021. 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
236
+21 vs. Q3 2021
Shares held
189.8M
+13.2M (+7.5%) vs. Q3 2021
Total value
$1.41B
+$405.5M (+40.5%) vs. Q3 2021
New holders
49
88 more added
Sold out
28
55 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 236 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 heldQ4 2021: $1.41B
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, Q4 2021

Shares, value and share of portfolio for each institution holding ImmunoGen, Inc.; share changes are against Q3 2021.

Institutions holding IMGN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Panagora Asset Management Inc1,134,470$8.42M0.04%−12,724−1.1%Reduced
Citadel Advisors LLC1,135,151$8.42M0.01%+1,135,151New
Pinnacle Associates Ltd1,186,058$8.80M0.15%+324,176+37.6%Added
Renaissance Technologies LLC1,217,387$9.03M0.01%+75,547+6.6%Added
Granahan Investment Management Inc1,266,690$9.40M0.19%+589,072+86.9%Added
HealthCor Management, L.P.1,310,340$9.72M0.54%+1,110,340+555.2%Added
QVT Financial LP1,375,900$10.2M0.36%00.0%Unchanged
Charles Schwab Investment Management Inc1,421,923$10.6M0.00%+15,921+1.1%Added
Tang Capital Management LLC1,500,000$11.1M2.24%+1,500,000New
Rhenman & Partners Asset Management AB1,500,000$11.2M0.74%+281,150+23.1%Added
Silverarc Capital Management, LLC1,514,411$11.2M5.04%+864,492+133.0%Added
Sofinnova Investments, Inc.1,749,882$13.0M0.83%+1,749,882New
Deutsche Bank AG1,841,640$13.7M0.01%+6,194+0.3%Added
D. E. Shaw & Co., Inc.1,857,706$13.8M0.02%−228,529−11.0%Reduced
Norges Bank1,934,900$14.4M0.00%+1,934,900New
Healthcare of Ontario Pension Plan Trust Fund2,075,700$15.4M0.03%+672,900+48.0%Added
Northern Trust Corp2,129,508$15.8M0.00%+21,104+1.0%Added
Lynx1 Capital Management LP2,129,531$15.8M13.79%+2,129,531New
Two Sigma Advisers, LP2,160,318$16.0M0.04%+12,596+0.6%Added
Two Sigma Investments, LP2,560,774$19.0M0.05%+494,108+23.9%Added
Lombard Odier Asset Management (Switzerland) SA3,443,524$25.6M1.63%+430,057+14.3%Added
Geode Capital Management, LLC3,546,767$26.3M0.00%+132,422+3.9%Added
Woodline Partners LP3,861,498$28.7M0.42%+3,861,498New
OrbiMed Advisors LLC3,868,786$28.7M0.37%−11,029,128−74.0%Reduced
Morgan Stanley4,207,355$31.2M0.00%+443,017+11.8%Added
Millennium Management LLC5,049,291$37.5M0.04%+2,101,770+71.3%Added
Clearbridge Investments, LLC5,886,930$43.7M0.03%−88,079−1.5%Reduced
State Street Corp8,068,567$59.9M0.00%−997,290−11.0%Reduced
Redmile Group, LLC8,258,345$61.3M1.39%00.0%Unchanged
Adage Capital Partners GP, L.L.C.10,286,193$76.3M0.14%+2,536,193+32.7%Added
FMR LLC12,274,823$91.1M0.01%+709,936+6.1%Added
Wellington Management Group LLP13,902,498$103.2M0.02%−165,610−1.2%Reduced
BlackRock Inc.14,863,304$110.3M0.00%−518,571−3.4%Reduced
Vanguard Group Inc15,131,752$112.3M0.00%+520,129+3.6%Added
Ra Capital Management, L.P.20,241,458$150.2M2.65%+1,824,000+9.9%Added
Federated Hermes, Inc.1––+1New
Candriam Luxembourg S.C.A.0$00.00%−2,562,935−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−714,700−100.0%Sold out
M&G Investment Management Ltd0$00.00%−299,200−100.0%Sold out
Creative Planning0$00.00%−279,963−100.0%Sold out
AXA S.A.0$00.00%−268,500−100.0%Sold out
Employees Retirement System of Texas0$00.00%−208,100−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−200,876−100.0%Sold out
Jefferies Group LLC0$00.00%−200,340−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−87,437−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−87,058−100.0%Sold out
First Trust Advisors LP0$00.00%−77,992−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−59,944−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−56,700−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−46,778−100.0%Sold out
SG3 Management, LLC0$00.00%−25,000−100.0%Sold out
HighVista Strategies LLC0$00.00%−24,088−100.0%Sold out
Lazard Asset Management LLC0$00.00%−11,256−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−10,869−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−10,476−100.0%Sold out
Wrapmanager Inc0$00.00%−10,043−100.0%Sold out
Penserra Capital Management LLC0$00.00%−4,630−100.0%Sold out
Cutler Group LP0$00.00%−1,000−100.0%Sold out
FinTrust Capital Advisors, LLC0$00.00%−356−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−204−100.0%Sold out
Kistler-Tiffany Companies, LLC0$00.00%−100−100.0%Sold out
Stonebridge Capital Advisors LLC0$00.00%−44−100.0%Sold out
Ironwood Financial, llc0$00.00%−47−100.0%Sold out
Zions Bancorporation, N.A.0$00.00%−57−100.0%Sold out
First Mercantile Trust Co––––Not filed
Berman Capital Advisors, LLC––––Not filed