Skip to main content
Livermore
Livermore
ZHEN

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, Q3 2024

Institutional positions in IGM Biosciences, Inc. as of Sep 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
72
−8 vs. Q2 2024
Shares held
21.6M
+188.8K (+0.9%) vs. Q2 2024
Total value
$356.6M
+$209.8M (+142.9%) vs. Q2 2024
New holders
11
24 more added
Sold out
19
24 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 72 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 heldQ3 2024: $356.6M
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, Q3 2024

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q2 2024.

Institutions holding IGMS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Baker Bros. Advisors LP4,092,310$67.7M0.70%+1,9940.0%Added
Price T Rowe Associates Inc4,014,259$66.4M0.01%−60,832−1.5%Reduced
Siren, L.L.C.3,330,422$55.1M2.76%+3,330,422New
Redmile Group, LLC3,072,478$50.8M2.99%00.0%Unchanged
Goldman Sachs Group Inc1,259,230$20.8M0.00%−74,683−5.6%Reduced
BlackRock, Inc.899,921$14.9M0.00%+899,921New
Vanguard Group Inc890,200$14.7M0.00%+11,579+1.3%Added
FMR LLC819,529$13.6M0.00%+656+0.1%Added
State Street Corp469,790$7.77M0.00%+12,174+2.7%Added
Geode Capital Management, LLC395,799$6.55M0.00%+28,118+7.6%Added
Invesco Ltd.222,928$3.69M0.00%+222,928New
Northern Trust Corp191,673$3.17M0.00%+56,946+42.3%Added
Rhenman & Partners Asset Management AB185,459$3.07M0.25%−9,541−4.9%Reduced
TD Asset Management Inc164,472$2.80M0.00%00.0%Unchanged
Charles Schwab Investment Management Inc148,402$2.45M0.00%+16,072+12.1%Added
Millennium Management LLC132,342$2.19M0.00%−258,871−66.2%Reduced
Bruce & Co., Inc.100,000$1.65M0.48%00.0%Unchanged
Wellington Management Group LLP98,339$1.63M0.00%+29,374+42.6%Added
D. E. Shaw & Co., Inc.97,716$1.62M0.00%−33,349−25.4%Reduced
Morgan Stanley97,659$1.62M0.00%−13,852−12.4%Reduced
Manufacturers Life Insurance Company, The74,612$1.23M0.00%+5,683+8.2%Added
Woodline Partners LP67,259$1.11M0.01%−7,741−10.3%Reduced
Corton Capital Inc.66,768$1.10M0.54%+3,432+5.4%Added
Renaissance Technologies LLC66,500$1.10M0.00%−42,193−38.8%Reduced
Gsa Capital Partners LLP56,754$939.0K0.07%−5,227−8.4%Reduced
Bank of New York Mellon Corp46,343$766.5K0.00%−7,637−14.1%Reduced
Nuveen Asset Management, LLC45,015$744.5K0.00%+4,266+10.5%Added
Eagle Bay Advisors LLC44,635$738.3K0.28%00.0%Unchanged
Royal Bank of Canada42,078$696.0K0.00%+19,738+88.4%Added
Alliancebernstein L.P.41,230$681.9K0.00%00.0%Unchanged
Two Sigma Investments, LP36,277$600.0K0.00%−14,070−27.9%Reduced
Susquehanna Portfolio Strategies, LLC30,209$499.7K0.03%00.0%Unchanged
Jane Street Group, LLC24,135$399.2K0.00%+10,392+75.6%Added
Barclays PLC21,554$356.5K0.00%+7,027+48.4%Added
Rhumbline Advisers20,286$335.5K0.00%−2,440−10.7%Reduced
Susquehanna International Group, LLP19,467$322.0K0.00%+19,467New
Dimensional Fund Advisors LP18,604$307.8K0.00%−18,430−49.8%Reduced
Bank of America Corp17,187$284.3K0.00%−7,132−29.3%Reduced
Virtus ETF Advisers LLC11,606$192.0K0.09%+205+1.8%Added
Deutsche Bank AG11,203$185.3K0.00%+354+3.3%Added
Citigroup Inc10,965$181.4K0.00%+7,645+230.3%Added
Exchange Traded Concepts, LLC10,572$174.9K0.00%−10,735−50.4%Reduced
Cerity Partners LLC10,500$173.7K0.00%+10,500New
Captrust Financial Advisors10,201$168.7K0.00%+10.0%Added
MetLife Investment Management8,997$148.8K0.00%+8,997New
Mirae Asset Global ETFs Holdings Ltd.8,326$137.7K0.00%+1,818+27.9%Added
Corebridge Financial, Inc.8,112$134.2K0.00%−50−0.6%Reduced
UBS Group AG7,204$119.2K0.00%−1,203−14.3%Reduced
JPMorgan Chase & Co6,787$112.3K0.00%−286−4.0%Reduced
New York State Common Retirement Fund6,512$107.7K0.00%00.0%Unchanged
Wells Fargo & Company4,987$82.5K0.00%−146−2.8%Reduced
Nisa Investment Advisors, LLC3,960$65.5K0.00%+54+1.4%Added
Legal & General Group Plc1,746$28.9K0.00%+385+28.3%Added
Quest Partners LLC1,645$27.2K0.00%−10,268−86.2%Reduced
Ameritas Investment Partners, Inc.1,327$21.9K0.00%00.0%Unchanged
California State Teachers Retirement System1,099$18.2K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)929$15.4K0.00%−2,699−74.4%Reduced
Russell Investments Group, Ltd.921$15.2K0.00%+184+25.0%Added
Comerica Bank617$10.2K0.00%00.0%Unchanged
Smartleaf Asset Management LLC434$7.38K0.00%+434New
NBC Securities, Inc.450$7.00K0.00%−50−10.0%Reduced
Simplex Trading, LLC404$6.00K0.00%−355−46.8%Reduced
Amalgamated Bank351$6.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC185$3.06K0.00%+185New
Versant Capital Management, Inc169$2.79K0.00%+169New
Signaturefd, LLC161$2.66K0.00%−30−15.7%Reduced
US Bancorp90$1.49K0.00%+73+429.4%Added
GAMMA Investing LLC69$1.14K0.00%+69New
The PNC Financial Services Group, Inc.23$3800.00%00.0%Unchanged
Sterling Capital Management LLC18$2980.00%+18New
Farther Finance Advisors, LLC9$1490.00%00.0%Unchanged
CWM, LLC17$00.00%+8+88.9%Added
Artal Group S.A.0$00.00%−3,330,422−100.0%Sold out
Samsara BioCapital, LLC0$00.00%−154,664−100.0%Sold out
Marshall Wace, LLP0$00.00%−107,267−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−71,503−100.0%Sold out
Pennant Investors, LP0$00.00%−64,900−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−46,119−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−27,246−100.0%Sold out
Verition Fund Management LLC0$00.00%−26,120−100.0%Sold out
Panagora Asset Management Inc0$00.00%−23,406−100.0%Sold out
XTX Topco Ltd0$00.00%−20,408−100.0%Sold out
Jump Financial, LLC0$00.00%−19,200−100.0%Sold out
American Century Companies Inc0$00.00%−16,798−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−14,537−100.0%Sold out
AQR Capital Management LLC0$00.00%−12,230−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−3,300−100.0%Sold out
Citadel Advisors LLC0$00.00%−1,979−100.0%Sold out
Group One Trading, L.P.0$00.00%−304−100.0%Sold out
Quarry LP0$00.00%−197−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−59−100.0%Sold out
BlackRock Inc.––––Not filed
Susquehanna Fundamental Investments, LLC––––Not filed