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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, Q3 2022

Institutional positions in IGM Biosciences, Inc. as of Sep 30, 2022. 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
93
+5 vs. Q2 2022
Shares held
17.7M
+186.6K (+1.1%) vs. Q2 2022
Total value
$402.0M
+$86.4M (+27.4%) vs. Q2 2022
New holders
18
30 more added
Sold out
13
29 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 93 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 2022: $402.0M
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 2022

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q2 2022.

Institutions holding IGMS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,334,355$75.8M2.94%00.0%Unchanged
Baker Bros. Advisors LP3,156,102$71.8M0.47%00.0%Unchanged
Artal Group S.A.2,450,000$55.7M2.91%+450,000+22.5%Added
Price T Rowe Associates Inc2,217,766$50.4M0.01%−405,107−15.4%Reduced
Alkeon Capital Management LLC961,613$21.9M0.15%−72,422−7.0%Reduced
BlackRock Inc.739,932$16.8M0.00%+16,222+2.2%Added
T. Rowe Price Investment Management, Inc.586,663$13.3M0.01%+586,663New
UBS Asset Management Americas Inc524,311$11.9M0.01%−12,098−2.3%Reduced
Vanguard Group Inc519,977$11.8M0.00%+9,044+1.8%Added
D. E. Shaw & Co., Inc.337,170$7.67M0.01%+62,616+22.8%Added
Millennium Management LLC291,215$6.62M0.01%−298,186−50.6%Reduced
Goldman Sachs Group Inc249,269$5.67M0.00%+50,715+25.5%Added
Marshall Wace, LLP246,689$5.61M0.01%−6,046−2.4%Reduced
State Street Corp221,950$5.05M0.00%+34,689+18.5%Added
Woodline Partners LP200,047$4.55M0.07%00.0%Unchanged
Geode Capital Management, LLC183,015$4.16M0.00%−13,695−7.0%Reduced
Samsara BioCapital, LLC154,664$3.52M0.82%00.0%Unchanged
Northern Trust Corp113,649$2.58M0.00%+3,043+2.8%Added
Morgan Stanley99,993$2.27M0.00%−25,149−20.1%Reduced
Victory Capital Management Inc80,450$1.83M0.00%−813−1.0%Reduced
Charles Schwab Investment Management Inc70,096$1.59M0.00%+4,811+7.4%Added
Bank of New York Mellon Corp66,345$1.51M0.00%+32,231+94.5%Added
Bruce & Co., Inc.55,000$1.25M0.34%00.0%Unchanged
Candriam Luxembourg S.C.A.48,760$1.11M0.01%+48,760New
Dimensional Fund Advisors LP45,669$1.04M0.00%−26,481−36.7%Reduced
Nuveen Asset Management, LLC45,184$1.03M0.00%−42,505−48.5%Reduced
Vident Investment Advisory, LLC44,209$1.00M0.03%−4,737−9.7%Reduced
Eagle Bay Advisors LLC41,635$947.0K0.59%00.0%Unchanged
Raymond James & Associates40,633$924.0K0.00%+1,900+4.9%Added
Voloridge Investment Management, LLC38,914$885.0K0.00%−62,723−61.7%Reduced
Manufacturers Life Insurance Company, The37,621$746.0K0.00%−161−0.4%Reduced
Simplex Trading, LLC31,768$722.0K0.03%+3,126+10.9%Added
TD Asset Management Inc32,559$633.0K0.00%00.0%Unchanged
Jump Financial, LLC26,900$612.0K0.02%+841+3.2%Added
ExodusPoint Capital Management, LP25,485$580.0K0.01%+25,485New
Alliancebernstein L.P.24,296$552.0K0.00%−604−2.4%Reduced
Swiss National Bank22,700$516.0K0.00%+1,200+5.6%Added
Citadel Advisors LLC21,674$493.0K0.00%−2,310−9.6%Reduced
Putnam Investments LLC20,235$460.0K0.00%−356−1.7%Reduced
Cubist Systematic Strategies, LLC19,801$450.0K0.00%−2,599−11.6%Reduced
New York Life Investment Management LLC18,830$428.0K0.01%+1,384+7.9%Added
Gsa Capital Partners LLP18,179$413.0K0.05%−3,738−17.1%Reduced
State Board of Administration of Florida Retirement System14,748$335.0K0.00%00.0%Unchanged
Rhumbline Advisers14,240$324.0K0.00%+1,357+10.5%Added
PDT Partners, LLC13,126$298.0K0.05%−1,352−9.3%Reduced
Renaissance Technologies LLC12,600$287.0K0.00%−22,800−64.4%Reduced
California State Teachers Retirement System12,429$283.0K0.00%+606+5.1%Added
BNP Paribas Arbitrage, SA11,645$264.8K0.00%+11,645New
JPMorgan Chase & Co10,992$250.0K0.00%+1,031+10.4%Added
Delphia (USA) Inc.10,185$232.0K0.26%+10,185New
Corton Capital Inc.9,999$227.0K0.28%+9,999New
Deutsche Bank AG9,762$222.0K0.00%+3,840+64.8%Added
State of Wisconsin Investment Board9,388$213.0K0.00%+9,388New
Two Sigma Investments, LP9,281$211.0K0.00%+9,281New
Bank of America Corp7,873$179.0K0.00%+923+13.3%Added
DekaBank Deutsche Girozentrale9,100$176.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC7,319$166.0K0.07%+52+0.7%Added
New York State Common Retirement Fund6,489$148.0K0.00%+37+0.6%Added
SG Americas Securities, LLC6,322$144.0K0.00%+6,322New
MetLife Investment Management5,702$129.7K0.00%+306+5.7%Added
Credit Suisse AG5,444$124.0K0.00%+54+1.0%Added
American International Group, Inc.5,023$114.0K0.00%+339+7.2%Added
Royal Bank of Canada4,329$99.0K0.00%+2,272+110.5%Added
Legal & General Group Plc3,649$83.0K0.00%+435+13.5%Added
Quantbot Technologies LP3,600$81.0K0.01%+3,600New
Allspring Global Investments Holdings, LLC2,729$62.0K0.00%+2,729New
Tower Research Capital LLC (TRC)2,019$46.0K0.00%−2,833−58.4%Reduced
Barclays PLC1,951$44.0K0.00%−7,256−78.8%Reduced
Ensign Peak Advisors, Inc1,890$43.0K0.00%+410+27.7%Added
Amalgamated Bank1,584$36.0K0.00%+69+4.6%Added
US Bancorp1,466$34.0K0.00%−68−4.4%Reduced
Signaturefd, LLC890$20.0K0.00%+118+15.3%Added
Citigroup Inc741$17.0K0.00%−574−43.7%Reduced
Lindbrook Capital, LLC760$17.0K0.00%−397−34.3%Reduced
Group One Trading, L.P.756$17.0K0.00%+756New
Metropolitan Life Insurance Co626$14.2K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.627$14.0K0.00%00.0%Unchanged
Great West Life Assurance Co569$13.0K0.00%00.0%Unchanged
Macquarie Group Ltd0$13.0K0.00%−579−100.0%Reduced
FMR LLC529$12.0K0.00%+222+72.3%Added
Wells Fargo & Company409$9.00K0.00%−12−2.9%Reduced
Endurance Wealth Management, Inc.300$7.00K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.272$6.00K0.00%+272New
PFS Partners, LLC230$5.23K0.01%00.0%Unchanged
UBS Group AG240$5.00K0.00%−596−71.3%Reduced
Point72 Hong Kong Ltd238$5.00K0.00%+238New
Daiwa Securities Group Inc.88$2.00K0.00%00.0%Unchanged
Ellevest, Inc.71$2.00K0.00%−20−22.0%Reduced
Quadrant Capital Group LLC96$2.00K0.00%00.0%Unchanged
Cutler Group LP110$2.00K0.00%+110New
Wipfli Financial Advisors LLC,108$2.00K0.00%+108New
Parallel Advisors, LLC13$00.00%+13New
Dark Forest Capital Management LP2$00.00%+2New
HRT Financial LP0$00.00%−70,661−100.0%Sold out
Ergoteles LLC0$00.00%−38,500−100.0%Sold out
Jane Street Group, LLC0$00.00%−20,110−100.0%Sold out
Caxton Associates LP0$00.00%−19,009−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−16,900−100.0%Sold out
Fred Alger Management, LLC0$00.00%−12,067−100.0%Sold out
Engineers Gate Manager LP0$00.00%−11,531−100.0%Sold out