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IGM Biosciences, Inc.

IGMSDelisted Aug 14, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001496323

IGM Biosciences, Inc. was delisted on Aug 14, 2025; its insiders filed their last Form 4 on Aug 18, 2025; 66 institutions reported holding it in 13F filings for Q2 2025, worth $17.9M in total; no superinvestor held it.

13F holders, Q1 2021

Institutional positions in IGM Biosciences, Inc. as of Mar 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
109
No complete 13F data for Q4 2020
Shares held
18.0M
No complete 13F data for Q4 2020
Total value
$1.38B
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting IGMS 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 holdersQ1 2021: 109 institutions
Q1 2021: 109 institutionsQ2 2021: 105 institutionsQ3 2021: 107 institutionsQ4 2021: 87 institutionsQ1 2022: 93 institutionsQ2 2022: 89 institutionsQ3 2022: 93 institutionsQ4 2022: 82 institutionsQ1 2023: 75 institutionsQ2 2023: 79 institutionsQ3 2023: 79 institutionsQ4 2023: 72 institutionsQ1 2024: 87 institutionsQ2 2024: 82 institutionsQ3 2024: 72 institutionsQ4 2024: 85 institutionsQ1 2025: 79 institutionsQ2 2025: 66 institutionsQ3 2025: 1 institutionQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2021: $1.38B
Q1 2021: $1.38BQ2 2021: $1.36BQ3 2021: $1.11BQ4 2021: $517.3MQ1 2022: $487.4MQ2 2022: $315.6MQ3 2022: $402.0MQ4 2022: $305.8MQ1 2023: $245.4MQ2 2023: $207.6MQ3 2023: $186.3MQ4 2023: $182.1MQ1 2024: $220.3MQ2 2024: $152.9MQ3 2024: $356.6MQ4 2024: $132.8MQ1 2025: $20.5MQ2 2025: $17.9MQ3 2025: $508Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding IGMS and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20251$508
Q2 202566$17.9M
Q1 202579$20.5M
Q4 202485$132.8M
Q3 202472$356.6M
Q2 202482$152.9M
Q1 202487$220.3M
Q4 202372$182.1M
Q3 202379$186.3M
Q2 202379$207.6M
Q1 202375$245.4M
Q4 202282$305.8M
Q3 202293$402.0M
Q2 202289$315.6M
Q1 202293$487.4M
Q4 202187$517.3M
Q3 2021107$1.11B
Q2 2021105$1.36B
Q1 2021109$1.38B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding IGMS in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,425,455$262.7M3.70%––
Baker Bros. Advisors LP3,156,102$242.0M1.05%––
Price T Rowe Associates Inc1,796,311$137.8M0.01%––
Artal Group S.A.1,125,000$86.3M1.83%––
Alkeon Capital Management LLC1,053,552$80.8M0.31%––
Ra Capital Management, L.P.982,723$75.4M1.14%––
Goldman Sachs Group Inc740,310$56.8M0.02%––
BlackRock Inc.739,045$56.7M0.00%––
State Street Corp687,215$52.7M0.00%––
Cormorant Asset Management, LP495,769$38.0M1.09%––
Woodline Partners LP430,683$33.0M0.73%––
Vanguard Group Inc404,101$31.0M0.00%––
Pictet Asset Management Ltd369,263$28.3M0.03%––
Avidity Partners Management LP293,000$22.5M0.63%––
Janus Henderson Group PLC268,933$20.6M0.01%––
UBS Asset Management Americas Inc251,932$19.3M0.01%––
Ensign Peak Advisors, Inc183,478$14.1M0.03%––
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)151,390$11.6M0.11%––
Geode Capital Management, LLC136,066$10.4M0.00%––
FMR LLC122,068$9.36M0.00%––
Candriam Luxembourg S.C.A.108,892$9.23M0.08%––
Northern Trust Corp103,131$7.91M0.00%––
D. E. Shaw & Co., Inc.55,691$4.27M0.01%––
Charles Schwab Investment Management Inc49,033$3.76M0.00%––
Citadel Advisors LLC47,514$3.64M0.00%––
Citigroup Inc47,104$3.61M0.00%––
Morgan Stanley42,721$3.28M0.00%––
Victory Capital Management Inc39,811$3.05M0.00%––
Marshall Wace North America L.P.39,090$3.00M0.01%––
TD Asset Management Inc38,408$2.95M0.00%––
Rafferty Asset Management, LLC37,937$2.91M0.02%––
Moody Aldrich Partners LLC35,434$2.72M0.39%––
Bank of New York Mellon Corp33,092$2.54M0.00%––
Nuveen Asset Management, LLC32,860$2.52M0.00%––
Norges Bank30,933$2.37M0.00%––
Marshall Wace, LLP26,046$2.00M0.01%––
Royal Bank of Canada23,229$1.78M0.00%––
Raymond James & Associates20,378$1.56M0.00%––
Vivo Capital, LLC20,000$1.53M0.05%––
Schonfeld Strategic Advisors LLC18,921$1.45M0.02%––
Vident Investment Advisory, LLC17,124$1.31M0.04%––
Swiss National Bank16,600$1.27M0.00%––
UBS Group AG16,261$1.25M0.00%––
Squarepoint Ops LLC15,624$1.20M0.01%––
California Public Employees Retirement System14,400$1.10M0.00%––
State of Wisconsin Investment Board14,100$1.08M0.00%––
Allianz Asset Management GmbH13,825$1.06M0.00%––
Wells Fargo & Company13,216$1.01M0.00%––
Alliancebernstein L.P.12,000$920.0K0.00%––
California State Teachers Retirement System11,292$866.0K0.00%––
HighVista Strategies LLC8,921$684.0K0.51%––
Russell Investments Group, Ltd.8,929$684.0K0.00%––
DekaBank Deutsche Girozentrale8,100$600.0K0.00%––
Rhumbline Advisers7,655$587.0K0.00%––
Jane Street Group, LLC7,025$539.0K0.00%––
New York State Common Retirement Fund6,500$498.0K0.00%––
ExodusPoint Capital Management, LP6,402$491.0K0.01%––
Erste Asset Management GmbH6,500$487.9K0.01%––
Credit Suisse AG6,094$468.0K0.00%––
US Bancorp5,921$454.0K0.00%––
ProShare Advisors LLC5,523$424.0K0.00%––
Principal Financial Group Inc5,383$413.0K0.00%––
Parametric Portfolio Associates LLC5,325$408.0K0.00%––
Cubist Systematic Strategies, LLC5,284$405.0K0.01%––
STRS Ohio5,100$391.0K0.00%––
Deutsche Bank AG4,873$373.0K0.00%––
Manufacturers Life Insurance Company, The4,698$360.0K0.00%––
Glenmede Trust Co NA4,542$348.0K0.00%––
JPMorgan Chase & Co4,413$338.0K0.00%––
American International Group, Inc.4,364$335.0K0.00%––
Essex Investment Management Co LLC4,073$312.0K0.04%––
Verition Fund Management LLC3,902$299.0K0.01%––
Susquehanna International Group, LLP3,866$296.0K0.00%––
Gsa Capital Partners LLP3,832$294.0K0.05%––
Atom Investors LP3,551$272.0K0.05%––
Cerity Partners LLC3,500$268.0K0.01%––
Virtus ETF Advisers LLC3,434$263.0K0.11%––
MetLife Investment Management3,333$255.6K0.00%––
Vontobel Holding Ltd.3,303$253.0K0.00%––
Athanor Capital, LP3,234$248.0K0.01%––
Bank of America Corp3,154$242.0K0.00%––
Voya Investment Management LLC3,144$241.0K0.00%––
State Board of Administration of Florida Retirement System3,076$236.0K0.00%––
L & S Advisors Inc3,000$230.0K0.03%––
AQR Capital Management LLC2,875$220.0K0.00%––
Stifel Financial Corp2,860$219.0K0.00%––
Old Well Partners, LLC2,619$201.0K0.10%––
Metropolitan Life Insurance Co2,302$176.5K0.00%––
SG Americas Securities, LLC2,272$174.0K0.00%––
Tower Research Capital LLC (TRC)1,603$123.0K0.00%––
Legal & General Group Plc1,148$88.0K0.00%––
Pacer Advisors, Inc.890$68.0K0.00%––
Exane Derivatives833$63.9K0.02%––
Zurcher Kantonalbank (Zurich Cantonalbank)686$53.0K0.00%––
Ameritas Investment Partners, Inc.627$48.0K0.00%––
Penserra Capital Management LLC575$44.0K0.00%––
Great West Life Assurance Co569$43.0K0.00%––
State of Wyoming539$41.0K0.07%––
Endurance Wealth Management, Inc.300$23.0K0.00%––
Ikarian Capital, LLC300$23.0K0.00%––