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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 2022

Institutional positions in IGM Biosciences, Inc. as of Mar 31, 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
+6 vs. Q4 2021
Shares held
18.2M
+608.8K (+3.5%) vs. Q4 2021
Total value
$487.4M
−$30.0M (−5.8%) vs. Q4 2021
New holders
27
33 more added
Sold out
21
19 more reduced

Compare with Q4 2021: 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 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 heldQ1 2022: $487.4M
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 2022

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q4 2021.

Institutions holding IGMS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Ellevest, Inc.8$00.00%+8New
Exane Derivatives48$1.28K0.00%00.0%Unchanged
Daiwa Securities Group Inc.88$2.00K0.00%00.0%Unchanged
Wells Fargo & Company125$3.00K0.00%−3,795−96.8%Reduced
Prospera Financial Services Inc98$3.00K0.00%+98New
Advisor Group Holdings, Inc.200$5.00K0.00%+182+1,011.1%Added
Quadrant Capital Group LLC173$5.00K0.00%+173New
FMR LLC256$7.00K0.00%+256New
Endurance Wealth Management, Inc.300$8.00K0.00%00.0%Unchanged
Quantbot Technologies LP460$12.0K0.00%−63−12.0%Reduced
Signaturefd, LLC485$13.0K0.00%+485New
Macquarie Group Ltd579$15.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC545$15.0K0.00%+545New
Great West Life Assurance Co569$16.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.627$17.0K0.00%00.0%Unchanged
Cutler Group LP700$18.0K0.00%+700New
Aquatic Capital Management LLC700$19.0K0.03%+700New
UBS Group AG1,093$29.0K0.00%−51,556−97.9%Reduced
Amalgamated Bank1,335$36.0K0.00%+1,335New
Amalgamated Financial Corp.1,335$36.0K0.00%+1,335New
State of Wyoming1,493$40.0K0.02%+493+49.3%Added
Ikarian Capital, LLC1,587$43.0K0.01%+87+5.8%Added
Parallax Volatility Advisers, L.P.1,962$53.0K0.00%+1,962New
US Bancorp2,437$65.0K0.00%+2,093+608.4%Added
Royal Bank of Canada2,503$66.0K0.00%−1,148−31.4%Reduced
Citigroup Inc2,694$72.0K0.00%−41,668−93.9%Reduced
Legal & General Group Plc2,847$76.0K0.00%00.0%Unchanged
American International Group, Inc.4,072$109.0K0.00%−286−6.6%Reduced
Bank of America Corp4,113$110.0K0.00%−11,922−74.3%Reduced
Deutsche Bank AG4,742$127.0K0.00%−487−9.3%Reduced
Virtus ETF Advisers LLC5,469$146.0K0.07%−318−5.5%Reduced
Victory Capital Management Inc10,364$173.0K0.00%−21,247−67.2%Reduced
New York State Common Retirement Fund6,470$173.0K0.00%+30.0%Added
Brookfield Asset Management Inc.7,500$200.0K0.00%+7,500New
Cubist Systematic Strategies, LLC8,307$222.0K0.00%−25,140−75.2%Reduced
DekaBank Deutsche Girozentrale9,100$235.0K0.00%+800+9.6%Added
Rhumbline Advisers9,222$247.0K0.00%+1,308+16.5%Added
Barclays PLC9,368$251.0K0.00%+9,368New
California State Teachers Retirement System10,048$269.0K0.00%−801−7.4%Reduced
CSS LLC10,300$275.0K0.01%+10,300New
ExodusPoint Capital Management, LP10,728$287.0K0.00%+1,698+18.8%Added
Tower Research Capital LLC (TRC)10,823$289.0K0.00%+8,736+418.6%Added
Schonfeld Strategic Advisors LLC11,500$308.0K0.00%+11,500New
JPMorgan Chase & Co11,632$312.0K0.00%+4,115+54.7%Added
Putnam Investments LLC12,235$327.0K0.00%+2,102+20.7%Added
IndexIQ Advisors LLC13,971$373.0K0.01%+13,971New
Tudor Investment Corp Et Al14,639$391.0K0.01%+14,639New
Alliancebernstein L.P.15,000$401.0K0.00%00.0%Unchanged
Nuveen Asset Management, LLC26,412$420.0K0.00%+2,530+10.6%Added
Two Sigma Investments, LP18,057$483.0K0.00%−55,825−75.6%Reduced
Swiss National Bank18,500$495.0K0.00%+1,500+8.8%Added
Susquehanna International Group, LLP18,578$497.0K0.00%−17,116−48.0%Reduced
PDT Partners, LLC18,909$505.0K0.04%+18,909New
HAP Trading, LLC22,814$610.0K0.07%+22,814New
Bank of New York Mellon Corp27,047$723.0K0.00%+728+2.8%Added
Occudo Quantitative Strategies LP27,408$733.0K0.06%+27,408New
Manufacturers Life Insurance Company, The31,418$814.4K0.00%+31,418New
TD Asset Management Inc32,559$870.0K0.00%−17,472−34.9%Reduced
Eagle Bay Advisors LLC34,835$931.0K0.76%00.0%Unchanged
Squarepoint Ops LLC35,808$957.0K0.01%+26,543+286.5%Added
Gsa Capital Partners LLP36,517$976.0K0.13%+28,847+376.1%Added
Raymond James & Associates40,067$1.07M0.00%+19,067+90.8%Added
State of Wisconsin Investment Board43,800$1.17M0.00%+33,700+333.7%Added
Ensign Peak Advisors, Inc46,868$1.25M0.00%00.0%Unchanged
Citadel Advisors LLC53,432$1.43M0.00%+53,432New
Bruce & Co., Inc.55,000$1.47M0.30%00.0%Unchanged
Dimensional Fund Advisors LP56,199$1.50M0.00%−2,022−3.5%Reduced
HRT Financial LP57,586$1.54M0.01%+45,424+373.5%Added
Marshall Wace, LLP58,056$1.55M0.00%+58,056New
Renaissance Technologies LLC64,200$1.72M0.00%+51,700+413.6%Added
Northern Trust Corp84,672$2.26M0.00%+7,128+9.2%Added
Fred Alger Management, LLC85,609$2.29M0.01%+85,609New
Morgan Stanley96,590$2.58M0.00%+45,611+89.5%Added
Charles Schwab Investment Management Inc102,623$2.74M0.00%+45,502+79.7%Added
Islet Management, LP131,700$3.52M0.44%+131,700New
Samsara BioCapital, LLC154,664$4.13M1.05%+154,664New
Voloridge Investment Management, LLC162,489$4.34M0.02%+65,015+66.7%Added
State Street Corp171,582$4.59M0.00%−560,138−76.6%Reduced
Geode Capital Management, LLC214,282$5.73M0.00%+69,101+47.6%Added
Millennium Management LLC221,312$5.92M0.01%+57,558+35.1%Added
EcoR1 Capital, LLC298,597$7.98M0.25%+298,597New
D. E. Shaw & Co., Inc.385,712$10.3M0.01%+253,614+192.0%Added
Cormorant Asset Management, LP402,200$10.8M0.83%−97,800−19.6%Reduced
Woodline Partners LP403,401$10.8M0.18%00.0%Unchanged
Goldman Sachs Group Inc428,087$11.4M0.00%+24,463+6.1%Added
UBS Asset Management Americas Inc560,711$15.0M0.01%+200,032+55.5%Added
BlackRock Inc.694,824$18.6M0.00%+17,867+2.6%Added
Vanguard Group Inc830,077$22.2M0.00%+415,028+100.0%Added
Alkeon Capital Management LLC1,034,035$27.6M0.12%+95,000+10.1%Added
Artal Group S.A.2,000,000$53.5M2.26%+500,000+33.3%Added
Price T Rowe Associates Inc2,246,041$60.0M0.01%−125,234−5.3%Reduced
Baker Bros. Advisors LP3,156,102$84.4M0.48%00.0%Unchanged
Redmile Group, LLC3,334,355$89.1M2.78%00.0%Unchanged
Pictet Asset Management SA0$00.00%−934,965−100.0%Sold out
Polar Capital Holdings Plc0$00.00%−106,436−100.0%Sold out
Entrust Global Partners L L C0$00.00%−66,172−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−56,057−100.0%Sold out
Walleye Capital LLC0$00.00%−35,127−100.0%Sold out
Norges Bank0$00.00%−34,463−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−32,202−100.0%Sold out