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