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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, Q4 2021

Institutional positions in IGM Biosciences, Inc. as of Dec 31, 2021. 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
87
−20 vs. Q3 2021
Shares held
17.6M
+739.6K (+4.4%) vs. Q3 2021
Total value
$517.3M
−$594.0M (−53.4%) vs. Q3 2021
New holders
13
37 more added
Sold out
33
20 more reduced

Compare with Q3 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 holdersQ4 2021: 87 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 heldQ4 2021: $517.3M
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, Q4 2021

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q3 2021.

Institutions holding IGMS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Parametric Portfolio Associates LLC0$00.00%−5,398−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−5,139−100.0%Sold out
Principal Financial Group Inc0$00.00%−5,064−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−4,749−100.0%Sold out
Caption Management, LLC0$00.00%−4,668−100.0%Sold out
Invesco Ltd.0$00.00%−4,582−100.0%Sold out
Credit Suisse AG0$00.00%−4,308−100.0%Sold out
Wolverine Trading, LLC0$00.00%−4,160−100.0%Sold out
STRS Ohio0$00.00%−4,000−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−3,888−100.0%Sold out
Atom Investors LP0$00.00%−3,407−100.0%Sold out
Trexquant Investment LP0$00.00%−3,380−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−3,303−100.0%Sold out
Stifel Financial Corp0$00.00%−3,280−100.0%Sold out
Voya Investment Management LLC0$00.00%−3,144−100.0%Sold out
Penserra Capital Management LLC0$00.00%−585−100.0%Sold out
Meeder Asset Management Inc0$00.00%−247−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−31−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−27−100.0%Sold out
Signaturefd, LLC0$00.00%−11−100.0%Sold out