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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 2024

Institutional positions in IGM Biosciences, Inc. as of Jun 30, 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
82
−5 vs. Q1 2024
Shares held
22.3M
−563.3K (−2.5%) vs. Q1 2024
Total value
$152.9M
−$67.3M (−30.6%) vs. Q1 2024
New holders
13
40 more added
Sold out
18
15 more reduced

Compare with Q1 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 holdersQ2 2024: 82 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 2024: $152.9M
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 2024

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q1 2024.

Institutions holding IGMS in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Baker Bros. Advisors LP4,090,316$28.1M0.36%+1,9940.0%Added
Price T Rowe Associates Inc4,075,091$28.0M0.00%+187,068+4.8%Added
Artal Group S.A.3,330,422$22.9M0.59%+250,000+8.1%Added
Redmile Group, LLC3,072,478$21.1M1.28%00.0%Unchanged
Goldman Sachs Group Inc1,333,913$9.16M0.00%+55,294+4.3%Added
BlackRock Inc.883,081$6.07M0.00%+125,118+16.5%Added
Vanguard Group Inc878,621$6.04M0.00%+24,963+2.9%Added
FMR LLC818,873$5.63M0.00%−498,468−37.8%Reduced
State Street Corp457,616$3.14M0.00%+138,347+43.3%Added
Millennium Management LLC391,213$2.69M0.00%−303,848−43.7%Reduced
Geode Capital Management, LLC367,681$2.53M0.00%+31,676+9.4%Added
Rhenman & Partners Asset Management AB195,000$1.34M0.13%00.0%Unchanged
TD Asset Management Inc164,472$1.13M0.00%+5,350+3.4%Added
Samsara BioCapital, LLC154,664$1.06M0.22%00.0%Unchanged
Northern Trust Corp134,727$925.6K0.00%−2,509−1.8%Reduced
Charles Schwab Investment Management Inc132,330$909.1K0.00%+11,212+9.3%Added
D. E. Shaw & Co., Inc.131,065$900.4K0.00%+37,902+40.7%Added
Morgan Stanley111,511$766.1K0.00%+10,416+10.3%Added
Renaissance Technologies LLC108,693$746.7K0.00%+60,593+126.0%Added
Marshall Wace, LLP107,267$736.9K0.00%+36,491+51.6%Added
Bruce & Co., Inc.100,000$687.0K0.23%+35,000+53.8%Added
Woodline Partners LP75,000$515.3K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP71,503$491.0K0.01%+51,180+251.8%Added
Wellington Management Group LLP68,965$473.8K0.00%+11,775+20.6%Added
Manufacturers Life Insurance Company, The68,929$473.5K0.00%−1,572−2.2%Reduced
Pennant Investors, LP64,900$445.9K0.12%00.0%Unchanged
Corton Capital Inc.63,336$435.1K0.23%+63,336New
Gsa Capital Partners LLP61,981$426.0K0.03%+43,583+236.9%Added
Bank of New York Mellon Corp53,980$370.8K0.00%+4,427+8.9%Added
Two Sigma Investments, LP50,347$345.9K0.00%+33,012+190.4%Added
Hudson Bay Capital Management LP46,119$316.8K0.00%+46,119New
Eagle Bay Advisors LLC44,635$306.6K0.19%00.0%Unchanged
Alliancebernstein L.P.41,230$283.3K0.00%+8,930+27.6%Added
Nuveen Asset Management, LLC40,749$279.9K0.00%00.0%Unchanged
Dimensional Fund Advisors LP37,034$254.4K0.00%−2,419−6.1%Reduced
Susquehanna Portfolio Strategies, LLC30,209$207.5K0.01%00.0%Unchanged
Point72 Asset Management, L.P.27,246$187.2K0.00%+27,246New
Verition Fund Management LLC26,120$179.4K0.00%+26,120New
Bank of America Corp24,319$167.1K0.00%+2,047+9.2%Added
Panagora Asset Management Inc23,406$160.8K0.00%+87+0.4%Added
Rhumbline Advisers22,726$156.1K0.00%+2,635+13.1%Added
Royal Bank of Canada22,340$154.0K0.00%+22,038+7,297.4%Added
Exchange Traded Concepts, LLC21,307$146.4K0.00%−6,628−23.7%Reduced
XTX Topco Ltd20,408$140.2K0.01%+8,467+70.9%Added
Jump Financial, LLC19,200$131.9K0.00%+19,200New
American Century Companies Inc16,798$115.4K0.00%−309−1.8%Reduced
Susquehanna Fundamental Investments, LLC16,028$110.1K0.00%−11,703−42.2%Reduced
Tudor Investment Corp Et Al14,537$99.9K0.00%+14,537New
Barclays PLC14,527$99.8K0.00%−4,527−23.8%Reduced
Jane Street Group, LLC13,743$94.4K0.00%−17,377−55.8%Reduced
AQR Capital Management LLC12,230$84.0K0.00%+12,230New
Quest Partners LLC11,913$81.8K0.01%+4,961+71.4%Added
Virtus ETF Advisers LLC11,401$78.3K0.04%−1,931−14.5%Reduced
Deutsche Bank AG10,849$74.5K0.00%+5,302+95.6%Added
Captrust Financial Advisors10,200$70.1K0.00%00.0%Unchanged
UBS Group AG8,407$57.8K0.00%−4,924−36.9%Reduced
Corebridge Financial, Inc.8,162$56.1K0.00%+8,162New
JPMorgan Chase & Co7,073$48.6K0.00%+1,237+21.2%Added
New York State Common Retirement Fund6,512$44.7K0.00%+18+0.3%Added
Mirae Asset Global ETFs Holdings Ltd.6,508$44.7K0.00%+6,508New
Wells Fargo & Company5,133$35.3K0.00%+294+6.1%Added
Nisa Investment Advisors, LLC3,906$26.8K0.00%−6−0.2%Reduced
Tower Research Capital LLC (TRC)3,628$24.9K0.00%+3,370+1,306.2%Added
Citigroup Inc3,320$22.8K0.00%+796+31.5%Added
Cubist Systematic Strategies, LLC3,300$22.7K0.00%+3,300New
Citadel Advisors LLC1,979$13.6K0.00%−11,184−85.0%Reduced
Legal & General Group Plc1,361$9.35K0.00%+338+33.0%Added
Ameritas Investment Partners, Inc.1,327$9.12K0.00%00.0%Unchanged
California State Teachers Retirement System1,099$7.55K0.00%−237−17.7%Reduced
Russell Investments Group, Ltd.737$5.06K0.00%+662+882.7%Added
Simplex Trading, LLC759$5.00K0.00%+759New
Comerica Bank617$4.24K0.00%00.0%Unchanged
NBC Securities, Inc.500$3.00K0.00%+350+233.3%Added
Group One Trading, L.P.304$2.09K0.00%+300+7,500.0%Added
Amalgamated Bank351$2.00K0.00%00.0%Unchanged
Quarry LP197$1.35K0.00%+197New
Signaturefd, LLC191$1.31K0.00%+4+2.1%Added
Advisor Group Holdings, Inc.59$4050.00%+59New
The PNC Financial Services Group, Inc.23$1580.00%+16+228.6%Added
US Bancorp17$1170.00%00.0%Unchanged
Farther Finance Advisors, LLC9$610.00%00.0%Unchanged
CWM, LLC9$00.00%+8+800.0%Added
Ra Capital Management, L.P.0$00.00%−937,500−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−78,580−100.0%Sold out
Trexquant Investment LP0$00.00%−24,177−100.0%Sold out
Walleye Capital LLC0$00.00%−20,050−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−15,801−100.0%Sold out
Pale Fire Capital SE0$00.00%−11,601−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−10,589−100.0%Sold out
Cerity Partners LLC0$00.00%−10,513−100.0%Sold out
Independent Financial Group, LLC0$00.00%−10,500−100.0%Sold out
MetLife Investment Management0$00.00%−7,248−100.0%Sold out
American International Group, Inc.0$00.00%−6,549−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−4,000−100.0%Sold out
nVerses Capital, LLC0$00.00%−1,600−100.0%Sold out
Quantbot Technologies LP0$00.00%−800−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−749−100.0%Sold out
Hanseatic Management Services Inc0$00.00%−366−100.0%Sold out
GAMMA Investing LLC0$00.00%−76−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−3−100.0%Sold out