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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, Q2 2021

Institutional positions in IGM Biosciences, Inc. as of Jun 30, 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
105
−4 vs. Q1 2021
Shares held
16.3M
−1.66M (−9.2%) vs. Q1 2021
Total value
$1.36B
−$22.1M (−1.6%) vs. Q1 2021
New holders
18
38 more added
Sold out
22
32 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

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 holdersQ2 2021: 105 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 heldQ2 2021: $1.36B
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, Q2 2021

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q1 2021.

Institutions holding IGMS in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,425,455$285.0M4.22%00.0%Unchanged
Baker Bros. Advisors LP3,156,102$262.6M1.15%00.0%Unchanged
Price T Rowe Associates Inc1,986,071$165.2M0.02%+189,760+10.6%Added
Artal Group S.A.1,100,000$91.5M2.08%−25,000−2.2%Reduced
Alkeon Capital Management LLC1,051,429$87.5M0.31%−2,123−0.2%Reduced
Woodline Partners LP745,393$62.0M1.16%+314,710+73.1%Added
BlackRock Inc.632,801$52.6M0.00%−106,244−14.4%Reduced
State Street Corp586,838$48.8M0.00%−100,377−14.6%Reduced
Pictet Asset Management Ltd439,297$36.5M0.04%+70,034+19.0%Added
Goldman Sachs Group Inc422,883$35.2M0.01%−317,427−42.9%Reduced
Vanguard Group Inc409,803$34.1M0.00%+5,702+1.4%Added
UBS Asset Management Americas Inc335,579$27.9M0.01%+83,647+33.2%Added
Cormorant Asset Management, LP250,000$20.8M0.81%−245,769−49.6%Reduced
Ensign Peak Advisors, Inc196,978$16.4M0.03%+13,500+7.4%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)151,390$12.6M0.13%00.0%Unchanged
Geode Capital Management, LLC145,009$12.1M0.00%+8,943+6.6%Added
Candriam Luxembourg S.C.A.122,029$10.2M0.07%+13,137+12.1%Added
Northern Trust Corp102,254$8.51M0.00%−877−0.9%Reduced
FMR LLC99,368$8.27M0.00%−22,700−18.6%Reduced
Bruce & Co., Inc.55,000$4.58M0.87%+55,000New
Charles Schwab Investment Management Inc50,881$4.23M0.00%+1,848+3.8%Added
Morgan Stanley45,066$3.75M0.00%+2,345+5.5%Added
Altium Capital Management LP42,473$3.53M0.82%+42,473New
Citigroup Inc40,592$3.38M0.00%−6,512−13.8%Reduced
Nuveen Asset Management, LLC39,607$3.29M0.00%+6,747+20.5%Added
EcoR1 Capital, LLC38,030$3.16M0.12%+38,030New
Victory Capital Management Inc37,508$3.12M0.00%−2,303−5.8%Reduced
Moody Aldrich Partners LLC35,012$2.91M0.41%−422−1.2%Reduced
Eagle Bay Advisors LLC34,835$2.90M2.33%+34,835New
Russell Investments Group, Ltd.33,927$2.82M0.00%+24,998+280.0%Added
Norges Bank30,933$2.57M0.00%00.0%Unchanged
Bank of New York Mellon Corp29,650$2.47M0.00%−3,442−10.4%Reduced
TD Asset Management Inc35,786$2.43M0.00%−2,622−6.8%Reduced
Royal Bank of Canada28,621$2.38M0.00%+5,392+23.2%Added
D. E. Shaw & Co., Inc.27,360$2.28M0.00%−28,331−50.9%Reduced
Rafferty Asset Management, LLC25,695$2.14M0.01%−12,242−32.3%Reduced
Polar Capital Holdings Plc21,144$1.76M0.01%+21,144New
Raymond James & Associates20,428$1.70M0.00%+50+0.2%Added
Wells Fargo & Company20,336$1.69M0.00%+7,120+53.9%Added
Vident Investment Advisory, LLC16,717$1.39M0.04%−407−2.4%Reduced
Swiss National Bank16,600$1.38M0.00%00.0%Unchanged
Alliancebernstein L.P.15,500$1.29M0.00%+3,500+29.2%Added
Allianz Asset Management GmbH11,825$984.0K0.00%−2,000−14.5%Reduced
California State Teachers Retirement System11,121$925.0K0.00%−171−1.5%Reduced
HighVista Strategies LLC10,481$872.0K0.62%+1,560+17.5%Added
State of Wisconsin Investment Board10,100$840.0K0.00%−4,000−28.4%Reduced
Susquehanna International Group, LLP8,824$734.0K0.00%+4,958+128.2%Added
DekaBank Deutsche Girozentrale8,100$668.0K0.00%00.0%Unchanged
New York State Common Retirement Fund7,859$654.0K0.00%+1,359+20.9%Added
Dimensional Fund Advisors LP7,853$653.0K0.00%+7,853New
Rhumbline Advisers7,695$640.0K0.00%+40+0.5%Added
Cerity Partners LLC7,000$582.0K0.01%+3,500+100.0%Added
ExodusPoint Capital Management, LP6,793$565.0K0.01%+391+6.1%Added
ProShare Advisors LLC6,690$557.0K0.00%+1,167+21.1%Added
Erste Asset Management GmbH6,500$543.0K0.01%00.0%Unchanged
Los Angeles Capital Management LLC6,400$532.0K0.00%+6,400New
JPMorgan Chase & Co5,974$497.0K0.00%+1,561+35.4%Added
Principal Financial Group Inc5,883$489.0K0.00%+500+9.3%Added
US Bancorp5,849$486.0K0.00%−72−1.2%Reduced
Manufacturers Life Insurance Company, The5,197$432.0K0.00%+499+10.6%Added
Deutsche Bank AG5,129$426.0K0.00%+256+5.3%Added
Parametric Portfolio Associates LLC5,020$418.0K0.00%−305−5.7%Reduced
Two Sigma Investments, LP5,000$416.0K0.00%+5,000New
Gsa Capital Partners LLP4,896$407.0K0.05%+1,064+27.8%Added
American International Group, Inc.4,519$376.0K0.00%+155+3.6%Added
Glenmede Trust Co NA4,355$362.0K0.00%−187−4.1%Reduced
Credit Suisse AG4,223$351.0K0.00%−1,871−30.7%Reduced
Invesco Ltd.4,164$346.0K0.00%+4,164New
Atom Investors LP4,151$345.0K0.07%+600+16.9%Added
UBS Group AG4,002$333.0K0.00%−12,259−75.4%Reduced
STRS Ohio4,000$332.0K0.00%−1,100−21.6%Reduced
State Board of Administration of Florida Retirement System3,888$323.0K0.00%+812+26.4%Added
Blueshift Asset Management, LLC3,825$318.0K0.02%+3,825New
MetLife Investment Management3,333$277.3K0.00%00.0%Unchanged
Vontobel Holding Ltd.3,303$275.0K0.00%00.0%Unchanged
Voya Investment Management LLC3,144$262.0K0.00%00.0%Unchanged
Bank of America Corp3,021$251.0K0.00%−133−4.2%Reduced
AlphaCrest Capital Management LLC3,000$250.0K0.01%+3,000New
Handelsbanken Fonder AB2,900$241.0K0.00%+2,900New
Stifel Financial Corp2,845$237.0K0.00%−15−0.5%Reduced
HRT Financial LP2,762$229.0K0.00%+2,762New
Old Well Partners, LLC2,619$218.0K0.10%00.0%Unchanged
SEI Investments Co2,505$208.0K0.00%+2,505New
Virtus ETF Advisers LLC2,328$194.0K0.08%−1,106−32.2%Reduced
Metropolitan Life Insurance Co2,302$191.5K0.00%00.0%Unchanged
Legal & General Group Plc1,336$112.0K0.00%+188+16.4%Added
State of Wyoming1,314$109.0K0.07%+775+143.8%Added
SG Americas Securities, LLC1,289$107.0K0.00%−983−43.3%Reduced
Tower Research Capital LLC (TRC)852$71.0K0.00%−751−46.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)737$61.0K0.00%+51+7.4%Added
Ameritas Investment Partners, Inc.627$52.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC600$50.0K0.00%+600New
Penserra Capital Management LLC585$48.0K0.00%+10+1.7%Added
Macquarie Group Ltd579$48.0K0.00%+439+313.6%Added
Great West Life Assurance Co569$47.0K0.00%00.0%Unchanged
Quantbot Technologies LP300$24.0K0.00%+300New
Captrust Financial Advisors250$21.0K0.00%00.0%Unchanged
Meeder Asset Management Inc247$21.0K0.00%+105+73.9%Added
Endurance Wealth Management, Inc.300$20.0K0.00%00.0%Unchanged
Bellwether Advisors, LLC66$5.00K0.00%−28−29.8%Reduced