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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 2024

Institutional positions in IGM Biosciences, Inc. as of Mar 31, 2024. 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
87
+15 vs. Q4 2023
Shares held
22.8M
+916.4K (+4.2%) vs. Q4 2023
Total value
$220.3M
+$38.2M (+21.0%) vs. Q4 2023
New holders
26
22 more added
Sold out
11
22 more reduced

Compare with Q4 2023: 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 holdersQ1 2024: 87 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 2024: $220.3M
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 2024

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q4 2023.

Institutions holding IGMS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC1$00.00%+1New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC3$280.00%+3New
Group One Trading, L.P.4$390.00%+4New
The PNC Financial Services Group, Inc.7$680.00%00.0%Unchanged
Farther Finance Advisors, LLC9$850.00%00.0%Unchanged
US Bancorp17$1640.00%00.0%Unchanged
Russell Investments Group, Ltd.75$7240.00%00.0%Unchanged
GAMMA Investing LLC76$7330.00%+76New
NBC Securities, Inc.150$1.00K0.00%00.0%Unchanged
Signaturefd, LLC187$1.80K0.00%+157+523.3%Added
Tower Research Capital LLC (TRC)258$2.49K0.00%−1,284−83.3%Reduced
Royal Bank of Canada302$3.00K0.00%−5,411−94.7%Reduced
Amalgamated Bank351$3.00K0.00%−638−64.5%Reduced
Hanseatic Management Services Inc366$3.53K0.01%+366New
Comerica Bank617$5.95K0.00%00.0%Unchanged
Metropolitan Life Insurance Co749$7.23K0.00%+749New
Quantbot Technologies LP800$7.72K0.00%+800New
Legal & General Group Plc1,023$9.82K0.00%−565−35.6%Reduced
Ameritas Investment Partners, Inc.1,327$12.8K0.00%+700+111.6%Added
California State Teachers Retirement System1,336$12.9K0.00%−851−38.9%Reduced
nVerses Capital, LLC1,600$15.4K0.04%+1,600New
Citigroup Inc2,524$24.4K0.00%+637+33.8%Added
Nisa Investment Advisors, LLC3,912$37.8K0.00%+12+0.3%Added
ADAR1 Capital Management, LLC4,000$38.6K0.01%+4,000New
Wells Fargo & Company4,839$46.7K0.00%+604+14.3%Added
Deutsche Bank AG5,547$53.5K0.00%−6,155−52.6%Reduced
JPMorgan Chase & Co5,836$56.3K0.00%−3,908−40.1%Reduced
New York State Common Retirement Fund6,494$62.7K0.00%00.0%Unchanged
American International Group, Inc.6,549$63.2K0.00%−55−0.8%Reduced
Quest Partners LLC6,952$67.1K0.01%+6,952New
MetLife Investment Management7,248$69.9K0.00%+7,248New
Captrust Financial Advisors10,200$98.4K0.00%+10,200New
Independent Financial Group, LLC10,500$101.3K0.00%+10,500New
Cerity Partners LLC10,513$101.5K0.00%+10,513New
Brevan Howard Capital Management LP10,589$102.2K0.01%−1,288−10.8%Reduced
Pale Fire Capital SE11,601$112.0K0.02%00.0%Unchanged
XTX Topco Ltd11,941$115.2K0.02%+11,941New
Citadel Advisors LLC13,163$127.0K0.00%−198,345−93.8%Reduced
UBS Group AG13,331$128.6K0.00%+131+1.0%Added
Virtus ETF Advisers LLC13,332$128.7K0.07%−911−6.4%Reduced
EntryPoint Capital, LLC15,801$152.5K0.14%+15,801New
American Century Companies Inc17,107$165.1K0.00%+17,107New
Two Sigma Investments, LP17,335$167.3K0.00%+17,335New
Gsa Capital Partners LLP18,398$178.0K0.01%+18,398New
Barclays PLC19,054$183.9K0.00%−5,516−22.5%Reduced
Walleye Capital LLC20,050$193.5K0.00%+20,050New
Rhumbline Advisers20,091$193.9K0.00%+887+4.6%Added
ExodusPoint Capital Management, LP20,323$196.0K0.00%+20,323New
Bank of America Corp22,272$214.9K0.00%−2,460−9.9%Reduced
Panagora Asset Management Inc23,319$225.0K0.00%−6,954−23.0%Reduced
Trexquant Investment LP24,177$233.3K0.00%+24,177New
Susquehanna Fundamental Investments, LLC27,731$267.6K0.01%+27,731New
Exchange Traded Concepts, LLC27,935$269.6K0.01%+8,887+46.7%Added
Susquehanna Portfolio Strategies, LLC30,209$291.5K0.01%00.0%Unchanged
Jane Street Group, LLC31,120$300.3K0.00%−4,515−12.7%Reduced
Alliancebernstein L.P.32,300$311.7K0.00%00.0%Unchanged
Dimensional Fund Advisors LP39,453$380.7K0.00%00.0%Unchanged
Nuveen Asset Management, LLC40,749$393.2K0.00%−9,074−18.2%Reduced
Eagle Bay Advisors LLC44,635$430.7K0.27%00.0%Unchanged
Renaissance Technologies LLC48,100$464.0K0.00%+11,500+31.4%Added
Bank of New York Mellon Corp49,553$478.2K0.00%−2,444−4.7%Reduced
Wellington Management Group LLP57,190$551.9K0.00%+57,190New
Pennant Investors, LP64,900$626.3K0.17%00.0%Unchanged
Bruce & Co., Inc.65,000$627.3K0.21%00.0%Unchanged
Manufacturers Life Insurance Company, The70,501$680.3K0.00%+21,559+44.1%Added
Marshall Wace, LLP70,776$683.0K0.00%+70,776New
Woodline Partners LP75,000$723.8K0.01%00.0%Unchanged
Jacobs Levy Equity Management, Inc78,580$758.3K0.00%+78,580New
D. E. Shaw & Co., Inc.93,163$899.0K0.00%+45,918+97.2%Added
Morgan Stanley101,095$975.6K0.00%+6,054+6.4%Added
Charles Schwab Investment Management Inc121,118$1.17M0.00%+301+0.2%Added
Northern Trust Corp137,236$1.32M0.00%+440+0.3%Added
Samsara BioCapital, LLC154,664$1.49M0.23%00.0%Unchanged
TD Asset Management Inc159,122$1.54M0.00%+75,670+90.7%Added
Rhenman & Partners Asset Management AB195,000$1.88M0.18%−5,000−2.5%Reduced
State Street Corp319,269$3.08M0.00%+11,801+3.8%Added
Geode Capital Management, LLC336,005$3.24M0.00%+9,349+2.9%Added
Millennium Management LLC695,061$6.71M0.01%+447,865+181.2%Added
BlackRock Inc.757,963$7.31M0.00%−4,507−0.6%Reduced
Vanguard Group Inc853,658$8.24M0.00%−43,491−4.8%Reduced
Ra Capital Management, L.P.937,500$9.05M0.12%00.0%Unchanged
Goldman Sachs Group Inc1,278,619$12.3M0.00%+238,110+22.9%Added
FMR LLC1,317,341$12.7M0.00%−381,165−22.4%Reduced
Redmile Group, LLC3,072,478$29.6M1.09%+100,936+3.4%Added
Artal Group S.A.3,080,422$29.7M0.77%−20,000−0.6%Reduced
Price T Rowe Associates Inc3,888,023$37.5M0.00%+628,001+19.3%Added
Baker Bros. Advisors LP4,088,322$39.5M0.49%+397,311+10.8%Added
Adage Capital Partners GP, L.L.C.0$00.00%−400,000−100.0%Sold out
Exome Asset Management LLC0$00.00%−135,596−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−124,260−100.0%Sold out
Prudential Financial Inc0$00.00%−65,870−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−29,600−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−29,421−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−13,656−100.0%Sold out
Amundi0$00.00%−9,196−100.0%Sold out
Acadian Asset Management LLC0$00.00%−8,367−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,810−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−500−100.0%Sold out