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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 2025

Institutional positions in IGM Biosciences, Inc. as of Jun 30, 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
66
−13 vs. Q1 2025
Shares held
15.9M
−1.86M (−10.5%) vs. Q1 2025
Total value
$17.9M
−$2.62M (−12.8%) vs. Q1 2025
New holders
10
14 more added
Sold out
23
32 more reduced

Compare with Q1 2025: 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 2025: 66 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 2025: $17.9M
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 2025

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q1 2025.

Institutions holding IGMS in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Baker Bros. Advisors LP4,096,210$4.59M0.04%+9530.0%Added
Siren, L.L.C.3,255,826$3.65M0.19%00.0%Unchanged
Redmile Group, LLC2,952,131$3.31M0.35%00.0%Unchanged
Sanofi1,438,975$1.61M0.92%00.0%Unchanged
Goldman Sachs Group Inc855,286$957.9K0.00%+61,900+7.8%Added
Vanguard Group Inc767,154$859.2K0.00%−108,415−12.4%Reduced
BlackRock, Inc.385,474$431.7K0.00%−645,050−62.6%Reduced
Millennium Management LLC275,112$308.1K0.00%+275,112New
Geode Capital Management, LLC213,273$239.0K0.00%−212,387−49.9%Reduced
Jane Street Group, LLC180,985$202.7K0.00%+180,985New
AQR Capital Management LLC164,209$183.9K0.00%−74,662−31.3%Reduced
Renaissance Technologies LLC117,734$131.9K0.00%+82,434+233.5%Added
Northern Trust Corp107,568$120.5K0.00%−79,398−42.5%Reduced
Two Sigma Investments, LP104,290$116.8K0.00%−35,480−25.4%Reduced
Eagle Bay Advisors LLC99,635$111.6K0.09%00.0%Unchanged
Charles Schwab Investment Management Inc89,705$100.5K0.00%−35,909−28.6%Reduced
Two Sigma Advisers, LP82,700$92.6K0.00%−7,800−8.6%Reduced
Susquehanna International Group, LLP80,311$89.9K0.00%+55,131+218.9%Added
State Street Corp75,913$85.0K0.00%−417,785−84.6%Reduced
Woodline Partners LP69,576$77.9K0.00%00.0%Unchanged
Verition Fund Management LLC48,962$54.8K0.00%−70,106−58.9%Reduced
Acadian Asset Management LLC45,253$50.0K0.00%−40,554−47.3%Reduced
Marshall Wace, LLP44,287$49.6K0.00%+44,287New
Royal Bank of Canada40,728$45.0K0.00%+38,417+1,662.4%Added
Qube Research & Technologies Ltd39,340$44.1K0.00%+6,519+19.9%Added
Price T Rowe Associates Inc35,210$40.0K0.00%−7,654−17.9%Reduced
Ieq Capital, LLC27,410$30.7K0.00%−10,012−26.8%Reduced
XTX Topco Ltd26,472$29.6K0.00%+26,472New
Morgan Stanley20,100$22.5K0.00%−14,404−41.7%Reduced
SG Americas Securities, LLC15,304$17.0K0.00%+15,304New
JustInvest LLC14,919$16.7K0.00%+1,078+7.8%Added
Tower Research Capital LLC (TRC)13,436$15.0K0.00%+6,217+86.1%Added
Captrust Financial Advisors12,575$14.1K0.00%−733−5.5%Reduced
Cubist Systematic Strategies, LLC12,316$13.8K0.00%+2,408+24.3%Added
Two Sigma Securities, LLC11,950$13.4K0.00%−1,536−11.4%Reduced
Cerity Partners LLC11,923$13.4K0.00%−1,183−9.0%Reduced
Ground Swell Capital, LLC11,833$13.3K0.02%+11,833New
CWM, LLC11,268$13.0K0.00%−4,329−27.8%Reduced
Point72 Asia (Singapore) Pte. Ltd.11,133$12.5K0.00%+11,133New
Citigroup Inc8,988$10.1K0.00%−2,726−23.3%Reduced
Bank of America Corp8,910$9.98K0.00%−2,383−21.1%Reduced
Federated Hermes, Inc.7,981$8.94K0.00%+1,959+32.5%Added
Deutsche Bank AG7,520$8.42K0.00%−39,253−83.9%Reduced
FMR LLC7,333$8.21K0.00%+1,772+31.9%Added
Quest Partners LLC7,031$7.88K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.6,975$7.81K0.00%+140+2.0%Added
UBS Group AG4,627$5.18K0.00%−36,482−88.7%Reduced
BNP Paribas Arbitrage, SA3,133$3.51K0.00%−9−0.3%Reduced
Barclays PLC2,800$3.14K0.00%−16,378−85.4%Reduced
JPMorgan Chase & Co1,732$1.94K0.00%−8,206−82.6%Reduced
Mirae Asset Global Investments Co., Ltd.1,342$1.50K0.00%+265+24.6%Added
Raymond James Financial Inc1,325$1.48K0.00%+1,325New
Rhumbline Advisers976$1.09K0.00%−20,355−95.4%Reduced
Capital Advisors, Ltd. LLC776$1.00K0.00%+518+200.8%Added
GF Fund Management Co. Ltd.716$8020.00%00.0%Unchanged
Nisa Investment Advisors, LLC563$6310.00%−165−22.7%Reduced
Wells Fargo & Company524$5870.00%−7,084−93.1%Reduced
Advisor Group Holdings, Inc.400$4480.00%00.0%Unchanged
Point72 (DIFC) Ltd388$4350.00%−456−54.0%Reduced
EverSource Wealth Advisors, LLC317$3550.00%−20−5.9%Reduced
Clearstead Advisors, LLC61$690.00%+61New
SBI Securities Co., Ltd.22$250.00%00.0%Unchanged
US Bancorp17$190.00%00.0%Unchanged
Essential Partners LLC16$180.00%+16New
True Wealth Design, LLC14$160.00%−257−94.8%Reduced
The PNC Financial Services Group, Inc.5$60.00%−849−99.4%Reduced
Gsa Capital Partners LLP0$00.00%−425,303−100.0%Sold out
Bruce & Co., Inc.0$00.00%−100,000−100.0%Sold out
Nuveen, LLC0$00.00%−45,015−100.0%Sold out
Bank of New York Mellon Corp0$00.00%−44,123−100.0%Sold out
Alliancebernstein L.P.0$00.00%−39,200−100.0%Sold out
Invesco Ltd.0$00.00%−36,127−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−19,974−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−18,376−100.0%Sold out
Wealth Enhancement Advisory Services, LLC0$00.00%−11,584−100.0%Sold out
Intech Investment Management LLC0$00.00%−11,069−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−9,096−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−7,514−100.0%Sold out
New York State Common Retirement Fund0$00.00%−6,512−100.0%Sold out
Police & Firemen's Retirement System of New Jersey0$00.00%−3,156−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−2,626−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−2,234−100.0%Sold out
Legal & General Group Plc0$00.00%−1,746−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−1,327−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−1,164−100.0%Sold out
California State Teachers Retirement System0$00.00%−1,099−100.0%Sold out
Smartleaf Asset Management LLC0$00.00%−41−100.0%Sold out
Sterling Capital Management LLC0$00.00%−18−100.0%Sold out
Amalgamated Bank0$00.00%−351−100.0%Sold out