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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
Price T Rowe Associates Inc36,073$268.0K0.00%−51,615−58.9%Reduced
Teacher Retirement System of Texas36,701$272.0K0.00%+5,332+17.0%Added
Grace Capital37,000$275.0K0.16%+9,000+32.1%Added
Quantamental Technologies LLC37,026$275.0K0.14%+37,026New
Gsa Capital Partners LLP37,682$280.0K0.04%+10,442+38.3%Added
Diversified Trust Co41,177$306.0K0.01%+3,617+9.6%Added
ExodusPoint Capital Management, LP42,277$314.0K0.00%−253,725−85.7%Reduced
HRT Financial LP42,731$317.0K0.00%−154,406−78.3%Reduced
Handelsbanken Fonder AB43,300$321.0K0.00%00.0%Unchanged
Gyon Technologies Capital Management, LP45,197$335.0K0.06%+45,197New
Group One Trading, L.P.45,929$341.0K0.01%−27,702−37.6%Reduced
Metropolitan Life Insurance Co51,704$383.6K0.01%+1,029+2.0%Added
PFS Investments Inc.53,419$396.0K0.01%+588+1.1%Added
Arizona State Retirement System54,477$404.0K0.00%+140.0%Added
Schonfeld Strategic Advisors LLC55,400$410.0K0.00%+55,400New
Natixis Advisors, L.P.56,076$416.0K0.00%+17,713+46.2%Added
Janney Montgomery Scott LLC58,219$432.0K0.00%+11,438+24.5%Added
Engineers Gate Manager LP58,200$432.0K0.02%+33,500+135.6%Added
LPL Financial LLC60,406$448.0K0.00%+5,636+10.3%Added
Squarepoint Ops LLC61,208$454.0K0.00%−6,386−9.4%Reduced
BNP Paribas Arbitrage, SA61,561$456.8K0.00%+2,406+4.1%Added
DekaBank Deutsche Girozentrale63,500$473.0K0.00%+1,500+2.4%Added
Jane Street Group, LLC63,928$475.0K0.00%+36,641+134.3%Added
Envestnet Asset Management Inc64,673$480.0K0.00%+326+0.5%Added
Quantum Private Wealth, LLC69,561$516.0K0.20%+69,561New
MetLife Investment Management69,797$517.9K0.00%+10,556+17.8%Added
ProShare Advisors LLC71,750$533.0K0.00%+3,163+4.6%Added
Cresset Asset Management, LLC71,758$533.0K0.01%+31,790+79.5%Added
Walleye Trading LLC72,885$541.0K0.01%+72,885New
Jump Financial, LLC74,500$553.0K0.03%+64,452+641.4%Added
State Board of Administration of Florida Retirement System77,487$575.0K0.00%+170+0.2%Added
Mackenzie Financial Corp77,446$575.0K0.00%+8,916+13.0%Added
Legal & General Group Plc78,043$579.0K0.00%+2,433+3.2%Added
Voya Investment Management LLC79,284$588.0K0.00%−379,385−82.7%Reduced
Simplex Trading, LLC83,063$616.0K0.02%+61,163+279.3%Added
Invesco Ltd.84,022$624.0K0.00%−8,219−8.9%Reduced
Baxter Bros Inc86,800$644.0K0.09%−1,500−1.7%Reduced
Twin Focus Capital Partners, LLC94,068$698.0K0.14%00.0%Unchanged
JPMorgan Chase & Co95,461$709.0K0.00%+7,191+8.1%Added
AE Wealth Management LLC97,951$727.0K0.01%+97,951New
Advisor Group Holdings, Inc.98,339$730.0K0.00%+11,551+13.3%Added
Manufacturers Life Insurance Company, The103,055$765.0K0.00%−1,040−1.0%Reduced
American International Group, Inc.105,116$780.0K0.00%−3,145−2.9%Reduced
Stifel Financial Corp106,422$791.0K0.00%+18,500+21.0%Added
Trexquant Investment LP108,979$809.0K0.05%+85,947+373.2%Added
Hennion & Walsh Asset Management, Inc.118,719$881.0K0.04%+118,719New
Teachers Retirement System of the State of Kentucky123,780$918.0K0.01%00.0%Unchanged
STRS Ohio128,000$949.0K0.00%+4,100+3.3%Added
Ergoteles LLC128,815$956.0K0.04%+86,458+204.1%Added
Cinctive Capital Management LP134,951$1.00M0.05%+34,951+35.0%Added
Jacobs Levy Equity Management, Inc137,574$1.02M0.01%+94,150+216.8%Added
Campbell & CO Investment Adviser LLC145,100$1.08M0.37%+145,100New
Fernwood Investment Management, LLC154,840$1.15M0.38%+3,500+2.3%Added
Royal Bank of Canada156,201$1.16M0.00%+16,414+11.7%Added
Altshuler Shaham Ltd164,000$1.22M0.03%00.0%Unchanged
Toronto Dominion Bank177,221$1.31M0.00%+175,883+13,145.2%Added
Truist Financial Corp186,910$1.39M0.00%−24,233−11.5%Reduced
UBS Asset Management Americas Inc187,126$1.39M0.00%+26,993+16.9%Added
Birchview Capital, LP190,000$1.41M0.91%00.0%Unchanged
AQR Capital Management LLC192,558$1.43M0.00%+1,621+0.8%Added
Allspring Global Investments Holdings, LLC194,973$1.45M0.00%+194,973New
New York State Common Retirement Fund199,520$1.48M0.00%+71,084+55.3%Added
Kercheville Advisors, LLC206,652$1.53M0.67%+16,950+8.9%Added
Alpha DNA Investment Management LLC217,047$1.61M1.03%+217,047New
Principal Financial Group Inc219,341$1.63M0.00%−29,618−11.9%Reduced
Allianz Asset Management GmbH220,895$1.64M0.00%+159,005+256.9%Added
Parametric Portfolio Associates LLC227,514$1.69M0.00%+4,358+2.0%Added
Putnam Investments LLC229,160$1.70M0.00%+229,160New
Fisher Asset Management, LLC235,981$1.75M0.00%+151,183+178.3%Added
Alps Advisors Inc247,759$1.84M0.02%−6,983−2.7%Reduced
Pura Vida Investments, LLC249,283$1.85M0.19%−93,765−27.3%Reduced
Integral Health Asset Management, LLC250,000$1.85M0.52%−50,000−16.7%Reduced
Driehaus Capital Management LLC250,000$1.85M0.02%+250,000New
Raymond James & Associates253,872$1.88M0.00%−5,395−2.1%Reduced
Credit Suisse AG264,886$1.97M0.00%+13,965+5.6%Added
Rhumbline Advisers268,320$1.99M0.00%−3,286−1.2%Reduced
California State Teachers Retirement System277,833$2.06M0.00%+8,918+3.3%Added
State of Wisconsin Investment Board285,900$2.12M0.00%−22,000−7.1%Reduced
Alliancebernstein L.P.287,864$2.14M0.00%−126,607−30.5%Reduced
UBS Group AG302,097$2.24M0.00%+283,972+1,566.7%Added
Alyeska Investment Group, L.P.336,436$2.50M0.03%+336,436New
CM Management, LLC375,000$2.78M2.10%00.0%Unchanged
Citigroup Inc394,015$2.92M0.00%−57,911−12.8%Reduced
Rafferty Asset Management, LLC413,034$3.06M0.02%+109,741+36.2%Added
Janus Henderson Group PLC423,863$3.14M0.00%+404,198+2,055.4%Added
Swiss National Bank445,300$3.30M0.00%+3,500+0.8%Added
Cubist Systematic Strategies, LLC457,287$3.39M0.03%+375,249+457.4%Added
Susquehanna International Group, LLP461,306$3.42M0.01%+200,285+76.7%Added
Barclays PLC498,324$3.70M0.00%+292,628+142.3%Added
Blair William & Co535,485$3.97M0.01%+19,885+3.9%Added
Tudor Investment Corp Et Al542,308$4.02M0.08%+58,318+12.0%Added
Nuveen Asset Management, LLC774,966$4.75M0.00%−55,057−6.6%Reduced
Bank of Montreal652,756$4.88M0.00%+652,756New
Bank of New York Mellon Corp746,659$5.54M0.00%−9,825−1.3%Reduced
Primecap Management Co761,727$5.65M0.00%−27,200−3.4%Reduced
Wells Fargo & Company826,939$6.14M0.00%−128,643−13.5%Reduced
First Manhattan Co959,432$7.12M0.02%+951,886+12,614.4%Added
Eventide Asset Management, LLC1,000,000$7.42M0.09%+1,000,000New
Goldman Sachs Group Inc1,011,487$7.51M0.00%−289,023−22.2%Reduced
Bank of America Corp1,083,865$8.04M0.00%+325,868+43.0%Added