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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, Q1 2023

Institutional positions in IGM Biosciences, Inc. as of Mar 31, 2023. 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
75
−7 vs. Q4 2022
Shares held
17.9M
−125.4K (−0.7%) vs. Q4 2022
Total value
$245.4M
−$60.3M (−19.7%) vs. Q4 2022
New holders
7
28 more added
Sold out
14
26 more reduced

Compare with Q4 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 holdersQ1 2023: 75 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 heldQ1 2023: $245.4M
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, Q1 2023

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q4 2022.

Institutions holding IGMS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Nisa Investment Advisors, LLC24$00.00%00.0%Unchanged
Ellevest, Inc.11$1510.00%−18−62.1%Reduced
Daiwa Securities Group Inc.88$1.00K0.00%00.0%Unchanged
Quadrant Capital Group LLC96$1.32K0.00%−116−54.7%Reduced
US Bancorp281$3.86K0.00%−151−35.0%Reduced
China Universal Asset Management Co., Ltd.395$5.43K0.00%+99+33.4%Added
Great West Life Assurance Co569$8.00K0.00%00.0%Unchanged
Signaturefd, LLC625$8.59K0.00%−152−19.6%Reduced
Metropolitan Life Insurance Co626$8.60K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.627$8.62K0.00%00.0%Unchanged
Lindbrook Capital, LLC656$9.01K0.00%−34−4.9%Reduced
Citigroup Inc931$12.8K0.00%+236+34.0%Added
Amalgamated Bank1,369$19.0K0.00%−215−13.6%Reduced
Wells Fargo & Company2,119$29.1K0.00%+1,994+1,595.2%Added
Cubist Systematic Strategies, LLC2,189$30.1K0.00%+2,189New
Point72 Middle East FZE2,569$35.3K0.00%+2,569New
Legal & General Group Plc4,238$58.2K0.00%+190+4.7%Added
UBS Group AG4,808$66.1K0.00%+850+21.5%Added
Royal Bank of Canada4,892$67.0K0.00%−503−9.3%Reduced
American International Group, Inc.5,106$70.2K0.00%+102+2.0%Added
Virtus ETF Advisers LLC5,113$70.3K0.04%−1,965−27.8%Reduced
MetLife Investment Management5,702$78.3K0.00%00.0%Unchanged
Citadel Advisors LLC5,775$79.3K0.00%−14,094−70.9%Reduced
Tower Research Capital LLC (TRC)6,122$84.0K0.00%+5,524+923.7%Added
New York State Common Retirement Fund6,495$89.2K0.00%00.0%Unchanged
Deutsche Bank AG7,123$97.9K0.00%+1,795+33.7%Added
Barclays PLC8,259$113.5K0.00%+2,498+43.4%Added
Invesco Ltd.10,490$144.1K0.00%+10,490New
DekaBank Deutsche Girozentrale9,100$153.0K0.00%00.0%Unchanged
Credit Suisse AG11,211$154.0K0.00%+2,823+33.7%Added
Two Sigma Investments, LP11,400$156.6K0.00%+11,400New
California State Teachers Retirement System12,873$176.9K0.00%−153−1.2%Reduced
Jane Street Group, LLC13,630$187.3K0.00%+13,630New
JPMorgan Chase & Co13,800$190.0K0.00%+2,585+23.0%Added
Tudor Investment Corp Et Al14,497$199.0K0.00%+14,497New
Rhumbline Advisers14,935$205.0K0.00%+204+1.4%Added
Bank of America Corp15,528$213.4K0.00%−2,446−13.6%Reduced
TD Asset Management Inc18,893$259.6K0.00%−13,666−42.0%Reduced
Putnam Investments LLC20,658$283.8K0.00%+5,510+36.4%Added
Swiss National Bank22,000$302.3K0.00%−2,500−10.2%Reduced
Alliancebernstein L.P.25,900$355.9K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The37,656$517.4K0.00%00.0%Unchanged
Vident Investment Advisory, LLC38,078$523.2K0.02%−1,405−3.6%Reduced
Raymond James & Associates41,348$568.1K0.00%−1,168−2.7%Reduced
Eagle Bay Advisors LLC41,635$572.1K0.31%00.0%Unchanged
Renaissance Technologies LLC42,700$587.0K0.00%−50,100−54.0%Reduced
Gsa Capital Partners LLP47,185$648.0K0.06%+17,324+58.0%Added
Bruce & Co., Inc.55,000$755.7K0.21%00.0%Unchanged
Millennium Management LLC57,460$790.0K0.00%−276,725−82.8%Reduced
ExodusPoint Capital Management, LP59,650$820.0K0.01%+12,570+26.7%Added
Bank of New York Mellon Corp66,036$907.3K0.00%−1,096−1.6%Reduced
Nuveen Asset Management, LLC81,169$1.11M0.00%−1,935−2.3%Reduced
Morgan Stanley81,684$1.12M0.00%−10,053−11.0%Reduced
Charles Schwab Investment Management Inc93,816$1.29M0.00%+22,470+31.5%Added
Dimensional Fund Advisors LP94,992$1.31M0.00%+49,315+108.0%Added
Rhenman & Partners Asset Management AB95,000$1.62M0.18%+45,000+90.0%Added
Northern Trust Corp118,800$1.63M0.00%−1,248−1.0%Reduced
Point72 Asset Management, L.P.129,740$1.78M0.01%+129,740New
Woodline Partners LP153,825$2.11M0.03%+3,825+2.6%Added
Samsara BioCapital, LLC154,664$2.13M0.44%00.0%Unchanged
Candriam Luxembourg S.C.A.187,799$2.38M0.02%+28,814+18.1%Added
Geode Capital Management, LLC198,057$2.72M0.00%+4,307+2.2%Added
Marshall Wace, LLP220,319$3.03M0.01%−67,109−23.3%Reduced
State Street Corp229,806$3.16M0.00%+3,651+1.6%Added
D. E. Shaw & Co., Inc.324,537$4.46M0.01%−65,349−16.8%Reduced
Goldman Sachs Group Inc393,514$5.41M0.00%+194,588+97.8%Added
UBS Asset Management Americas Inc485,027$6.66M0.00%+328+0.1%Added
Vanguard Group Inc580,362$7.97M0.00%+3,195+0.6%Added
Alkeon Capital Management LLC711,777$9.78M0.06%−121,464−14.6%Reduced
BlackRock Inc.770,596$10.6M0.00%−18,639−2.4%Reduced
FMR LLC845,591$11.6M0.00%+154,633+22.4%Added
Price T Rowe Associates Inc2,120,875$29.1M0.00%−85,532−3.9%Reduced
Artal Group S.A.2,509,972$34.5M2.05%+59,972+2.4%Added
Baker Bros. Advisors LP3,156,656$43.4M0.24%+5540.0%Added
Redmile Group, LLC3,334,355$45.8M1.99%00.0%Unchanged
Victory Capital Management Inc0$00.00%−90,200−100.0%Sold out
Endurant Capital Management LP0$00.00%−30,320−100.0%Sold out
Schroder Investment Management Group0$00.00%−26,833−100.0%Sold out
New York Life Investment Management LLC0$00.00%−21,167−100.0%Sold out
Simplex Trading, LLC0$00.00%−11,383−100.0%Sold out
PDT Partners, LLC0$00.00%−10,641−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−2,670−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−2,500−100.0%Sold out
Group One Trading, L.P.0$00.00%−756−100.0%Sold out
Endurance Wealth Management, Inc.0$00.00%−300−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−160−100.0%Sold out
Cutler Group LP0$00.00%−100−100.0%Sold out
Parallel Advisors, LLC0$00.00%−13−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−11−100.0%Sold out