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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, Q2 2022

Institutional positions in IGM Biosciences, Inc. as of Jun 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
89
−2 vs. Q1 2022
Shares held
17.5M
−731.9K (−4.0%) vs. Q1 2022
Total value
$315.6M
−$171.4M (−35.2%) vs. Q1 2022
New holders
17
31 more added
Sold out
19
26 more reduced

2 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 89 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 heldQ2 2022: $315.6M
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, Q2 2022

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q1 2022.

Institutions holding IGMS in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Redmile Group, LLC3,334,355$60.1M2.30%00.0%Unchanged
Baker Bros. Advisors LP3,156,102$56.9M0.32%00.0%Unchanged
Price T Rowe Associates Inc2,622,873$47.3M0.01%+376,832+16.8%Added
Artal Group S.A.2,000,000$36.1M2.01%00.0%Unchanged
Alkeon Capital Management LLC1,034,035$18.6M0.11%00.0%Unchanged
BlackRock Inc.723,710$13.0M0.00%+28,886+4.2%Added
Millennium Management LLC589,401$10.6M0.01%+368,089+166.3%Added
UBS Asset Management Americas Inc536,409$9.67M0.01%−24,302−4.3%Reduced
Vanguard Group Inc510,933$9.21M0.00%−319,144−38.4%Reduced
D. E. Shaw & Co., Inc.274,554$4.95M0.01%−111,158−28.8%Reduced
Marshall Wace, LLP252,735$4.56M0.01%+194,679+335.3%Added
Woodline Partners LP200,047$3.61M0.06%−203,354−50.4%Reduced
Goldman Sachs Group Inc198,554$3.58M0.00%−229,533−53.6%Reduced
Geode Capital Management, LLC196,710$3.55M0.00%−17,572−8.2%Reduced
State Street Corp187,261$3.38M0.00%+15,679+9.1%Added
Samsara BioCapital, LLC154,664$2.79M0.75%00.0%Unchanged
Morgan Stanley125,142$2.25M0.00%+28,552+29.6%Added
Northern Trust Corp110,606$1.99M0.00%+25,934+30.6%Added
Voloridge Investment Management, LLC101,637$1.83M0.01%−60,852−37.4%Reduced
Nuveen Asset Management, LLC87,689$1.58M0.00%+61,277+232.0%Added
Victory Capital Management Inc81,263$1.47M0.00%+70,899+684.1%Added
Dimensional Fund Advisors LP72,150$1.30M0.00%+15,951+28.4%Added
HRT Financial LP70,661$1.27M0.01%+13,075+22.7%Added
Charles Schwab Investment Management Inc65,285$1.18M0.00%−37,338−36.4%Reduced
Bruce & Co., Inc.55,000$991.0K0.23%00.0%Unchanged
Vident Investment Advisory, LLC48,946$882.0K0.03%+48,946New
Eagle Bay Advisors LLC41,635$750.7K0.46%+6,800+19.5%Added
Raymond James & Associates38,733$698.0K0.00%−1,334−3.3%Reduced
Manufacturers Life Insurance Company, The37,782$694.8K0.00%+6,364+20.3%Added
Ergoteles LLC38,500$694.0K0.02%+38,500New
Renaissance Technologies LLC35,400$638.0K0.00%−28,800−44.9%Reduced
Bank of New York Mellon Corp34,114$616.0K0.00%+7,067+26.1%Added
TD Asset Management Inc32,559$587.0K0.00%00.0%Unchanged
Simplex Trading, LLC28,642$516.0K0.02%+28,642New
Jump Financial, LLC26,059$470.0K0.02%+26,059New
Alliancebernstein L.P.24,900$449.0K0.00%+9,900+66.0%Added
Citadel Advisors LLC23,984$432.0K0.00%−29,448−55.1%Reduced
Cubist Systematic Strategies, LLC22,400$404.0K0.00%+14,093+169.7%Added
Gsa Capital Partners LLP21,917$395.0K0.06%−14,600−40.0%Reduced
Swiss National Bank21,500$388.0K0.00%+3,000+16.2%Added
Putnam Investments LLC20,591$371.0K0.00%+8,356+68.3%Added
Jane Street Group, LLC20,110$363.0K0.00%+20,110New
Caxton Associates LP19,009$343.0K0.04%+19,009New
New York Life Investment Management LLC17,446$315.0K0.00%+17,446New
Bayesian Capital Management, LP16,900$305.0K0.06%+16,900New
State Board of Administration of Florida Retirement System14,748$266.0K0.00%+14,748New
PDT Partners, LLC14,478$261.0K0.02%−4,431−23.4%Reduced
Rhumbline Advisers12,883$232.0K0.00%+3,661+39.7%Added
Fred Alger Management, LLC12,067$218.0K0.00%−73,542−85.9%Reduced
California State Teachers Retirement System11,823$213.0K0.00%+1,775+17.7%Added
Engineers Gate Manager LP11,531$208.0K0.01%+11,531New
JPMorgan Chase & Co9,961$180.0K0.00%−1,671−14.4%Reduced
Barclays PLC9,207$166.0K0.00%−161−1.7%Reduced
DekaBank Deutsche Girozentrale9,100$165.0K0.00%00.0%Unchanged
Alpha Paradigm Partners, LLC8,939$161.0K0.07%+8,939New
Virtus ETF Advisers LLC7,267$131.0K0.05%+1,798+32.9%Added
Bank of America Corp6,950$125.0K0.00%+2,837+69.0%Added
New York State Common Retirement Fund6,452$116.0K0.00%−18−0.3%Reduced
Deutsche Bank AG5,922$107.0K0.00%+1,180+24.9%Added
Credit Suisse AG5,390$98.0K0.00%+5,390New
MetLife Investment Management5,396$97.3K0.00%+5,396New
STRS Ohio5,200$93.0K0.00%+5,200New
Tower Research Capital LLC (TRC)4,852$87.0K0.00%−5,971−55.2%Reduced
American International Group, Inc.4,684$84.0K0.00%+612+15.0%Added
Legal & General Group Plc3,214$58.0K0.00%+367+12.9%Added
Captrust Financial Advisors2,750$50.0K0.00%+2,750New
Royal Bank of Canada2,057$37.0K0.00%−446−17.8%Reduced
US Bancorp1,534$28.0K0.00%−903−37.1%Reduced
Ensign Peak Advisors, Inc1,480$27.0K0.00%−45,388−96.8%Reduced
Amalgamated Bank1,515$27.0K0.00%+180+13.5%Added
Citigroup Inc1,315$23.0K0.00%−1,379−51.2%Reduced
Lindbrook Capital, LLC1,157$21.0K0.00%+612+112.3%Added
UBS Group AG836$15.0K0.00%−257−23.5%Reduced
Signaturefd, LLC772$14.0K0.00%+287+59.2%Added
Metropolitan Life Insurance Co626$11.3K0.00%+626New
Aquatic Capital Management LLC600$11.0K0.00%−100−14.3%Reduced
Ameritas Investment Partners, Inc.627$11.0K0.00%00.0%Unchanged
Great West Life Assurance Co569$10.0K0.00%00.0%Unchanged
Macquarie Group Ltd579$10.0K0.00%00.0%Unchanged
Wells Fargo & Company421$7.00K0.00%+296+236.8%Added
State of Wyoming269$5.00K0.00%−1,224−82.0%Reduced
Endurance Wealth Management, Inc.300$5.00K0.00%00.0%Unchanged
FMR LLC307$5.00K0.00%+51+19.9%Added
PFS Partners, LLC230$4.15K0.00%+230New
Quadrant Capital Group LLC96$2.00K0.00%−77−44.5%Reduced
Prospera Financial Services Inc98$2.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.88$2.00K0.00%00.0%Unchanged
Ellevest, Inc.91$2.00K0.00%+83+1,037.5%Added
Exane Derivatives48$8650.00%00.0%Unchanged
Cormorant Asset Management, LP0$00.00%−402,200−100.0%Sold out
EcoR1 Capital, LLC0$00.00%−298,597−100.0%Sold out
Islet Management, LP0$00.00%−131,700−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−43,800−100.0%Sold out
Squarepoint Ops LLC0$00.00%−35,808−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−27,408−100.0%Sold out
HAP Trading, LLC0$00.00%−22,814−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−18,578−100.0%Sold out
Two Sigma Investments, LP0$00.00%−18,057−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−14,639−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−11,500−100.0%Sold out