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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 2025

Institutional positions in IGM Biosciences, Inc. as of Mar 31, 2025. 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
79
−5 vs. Q4 2024
Shares held
17.8M
−3.87M (−17.9%) vs. Q4 2024
Total value
$20.5M
−$112.1M (−84.6%) vs. Q4 2024
New holders
20
21 more added
Sold out
25
26 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 79 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 2025: $20.5M
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 2025

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q4 2024.

Institutions holding IGMS in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Amalgamated Bank351$00.00%00.0%Unchanged
Capital Advisors, Ltd. LLC258$00.00%+258New
US Bancorp17$200.00%−9−34.6%Reduced
Sterling Capital Management LLC18$210.00%00.0%Unchanged
SBI Securities Co., Ltd.22$250.00%+1+4.8%Added
Smartleaf Asset Management LLC41$500.00%−393−90.6%Reduced
True Wealth Design, LLC271$3120.00%+271New
EverSource Wealth Advisors, LLC337$3870.00%+337New
Advisor Group Holdings, Inc.400$4600.00%+304+316.7%Added
GF Fund Management Co. Ltd.716$8230.00%00.0%Unchanged
Nisa Investment Advisors, LLC728$8370.00%−3,226−81.6%Reduced
Point72 (DIFC) Ltd844$9710.00%+147+21.1%Added
The PNC Financial Services Group, Inc.854$9820.00%+831+3,613.0%Added
California State Teachers Retirement System1,099$1.26K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.1,077$1.33K0.00%−59−5.2%Reduced
UBS Asset Management Americas Inc1,164$1.34K0.00%+1,164New
Ameritas Investment Partners, Inc.1,327$1.53K0.00%00.0%Unchanged
Royal Bank of Canada2,311$2.00K0.00%−17,738−88.5%Reduced
Legal & General Group Plc1,746$2.02K0.00%00.0%Unchanged
CoreCap Advisors, LLC2,234$2.57K0.00%+2,234New
Coldstream Capital Management Inc2,626$3.02K0.00%+2,626New
BNP Paribas Arbitrage, SA3,142$3.61K0.00%−3,492−52.6%Reduced
Police & Firemen's Retirement System of New Jersey3,156$3.63K0.00%00.0%Unchanged
FMR LLC5,561$6.39K0.00%−467,865−98.8%Reduced
Federated Hermes, Inc.6,022$6.92K0.00%+6,022New
New York State Common Retirement Fund6,512$7.49K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.6,835$7.86K0.00%−391−5.4%Reduced
Quest Partners LLC7,031$8.09K0.00%+3,684+110.1%Added
Tower Research Capital LLC (TRC)7,219$8.30K0.00%+3,780+109.9%Added
Corebridge Financial, Inc.7,514$8.64K0.00%−111−1.5%Reduced
Wells Fargo & Company7,608$8.75K0.00%+164+2.2%Added
Mirae Asset Global ETFs Holdings Ltd.9,096$10.5K0.00%+390+4.5%Added
Cubist Systematic Strategies, LLC9,908$11.4K0.00%−20,240−67.1%Reduced
JPMorgan Chase & Co9,938$11.4K0.00%+127+1.3%Added
Intech Investment Management LLC11,069$12.7K0.00%+11,069New
Bank of America Corp11,293$13.0K0.00%−8,700−43.5%Reduced
Wealth Enhancement Advisory Services, LLC11,584$13.3K0.00%+11,584New
Citigroup Inc11,714$13.5K0.00%−537−4.4%Reduced
Cerity Partners LLC13,106$15.1K0.00%+2,606+24.8%Added
Captrust Financial Advisors13,308$15.3K0.00%+3,107+30.5%Added
Two Sigma Securities, LLC13,486$15.5K0.00%+13,486New
JustInvest LLC13,841$15.9K0.00%+13,841New
CWM, LLC15,597$18.0K0.00%+15,462+11,453.3%Added
Dimensional Fund Advisors LP18,376$21.2K0.00%−228−1.2%Reduced
Barclays PLC19,178$22.1K0.00%−7,125−27.1%Reduced
Virtus Investment Advisers, Inc.19,974$23.0K0.01%+19,974New
Rhumbline Advisers21,331$24.5K0.00%−1,287−5.7%Reduced
Susquehanna International Group, LLP25,180$29.0K0.00%−7,187−22.2%Reduced
Qube Research & Technologies Ltd32,821$37.7K0.00%+32,821New
Morgan Stanley34,504$39.7K0.00%−62,413−64.4%Reduced
Renaissance Technologies LLC35,300$40.6K0.00%−40,500−53.4%Reduced
Invesco Ltd.36,127$41.5K0.00%+36,127New
Ieq Capital, LLC37,422$43.0K0.00%+37,422New
Alliancebernstein L.P.39,200$45.1K0.00%00.0%Unchanged
UBS Group AG41,109$47.3K0.00%+30,611+291.6%Added
Price T Rowe Associates Inc42,864$50.0K0.00%−3,526,135−98.8%Reduced
Bank of New York Mellon Corp44,123$50.7K0.00%−3,374−7.1%Reduced
Nuveen, LLC45,015$51.8K0.00%+45,015New
Deutsche Bank AG46,773$53.8K0.00%+35,546+316.6%Added
Woodline Partners LP69,576$80.0K0.00%+2,317+3.4%Added
Acadian Asset Management LLC85,807$97.0K0.00%+85,807New
Two Sigma Advisers, LP90,500$104.1K0.00%+90,500New
Eagle Bay Advisors LLC99,635$114.6K0.10%+55,000+123.2%Added
Bruce & Co., Inc.100,000$115.0K0.04%00.0%Unchanged
Verition Fund Management LLC119,068$136.9K0.00%+119,068New
Charles Schwab Investment Management Inc125,614$144.5K0.00%−32,229−20.4%Reduced
Two Sigma Investments, LP139,770$160.7K0.00%+32,150+29.9%Added
Northern Trust Corp186,966$215.0K0.00%−6,019−3.1%Reduced
AQR Capital Management LLC238,871$274.7K0.00%+238,871New
Gsa Capital Partners LLP425,303$489.0K0.04%+331,821+355.0%Added
Geode Capital Management, LLC425,660$489.7K0.00%+16,527+4.0%Added
State Street Corp493,698$567.8K0.00%+34,247+7.5%Added
Goldman Sachs Group Inc793,386$912.4K0.00%−185,099−18.9%Reduced
Vanguard Group Inc875,569$1.01M0.00%−20,781−2.3%Reduced
BlackRock, Inc.1,030,524$1.19M0.00%−23,504−2.2%Reduced
Sanofi1,438,975$1.65M1.00%00.0%Unchanged
Redmile Group, LLC2,952,131$3.39M0.32%00.0%Unchanged
Siren, L.L.C.3,255,826$3.74M0.21%−74,596−2.2%Reduced
Baker Bros. Advisors LP4,095,257$4.71M0.05%+9530.0%Added
TD Asset Management Inc0$00.00%−164,472−100.0%Sold out
Rhenman & Partners Asset Management AB0$00.00%−126,064−100.0%Sold out
Wellington Management Group LLP0$00.00%−101,055−100.0%Sold out
Millennium Management LLC0$00.00%−83,468−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−72,155−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−36,369−100.0%Sold out
Independent Financial Group, LLC0$00.00%−34,500−100.0%Sold out
HRT Financial LP0$00.00%−21,762−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−14,385−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−10,572−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−10,107−100.0%Sold out
Hamilton Wealth, LLC0$00.00%−10,000−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−8,649−100.0%Sold out
Comerica Bank0$00.00%−617−100.0%Sold out
Simplex Trading, LLC0$00.00%−561−100.0%Sold out
R Squared Ltd0$00.00%−370−100.0%Sold out
GAMMA Investing LLC0$00.00%−251−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−194−100.0%Sold out
Versant Capital Management, Inc0$00.00%−169−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−169−100.0%Sold out
Signaturefd, LLC0$00.00%−161−100.0%Sold out