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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 2024

Institutional positions in IGM Biosciences, Inc. as of Dec 31, 2024. 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
85
+13 vs. Q3 2024
Shares held
21.7M
+171.5K (+0.8%) vs. Q3 2024
Total value
$132.8M
−$223.7M (−62.7%) vs. Q3 2024
New holders
18
27 more added
Sold out
5
18 more reduced

Compare with Q3 2024: 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 2024: 85 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 2024: $132.8M
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 2024

Shares, value and share of portfolio for each institution holding IGM Biosciences, Inc.; share changes are against Q3 2024.

Institutions holding IGMS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Baker Bros. Advisors LP4,094,304$25.0M0.27%+1,9940.0%Added
Price T Rowe Associates Inc3,568,999$21.8M0.00%−445,260−11.1%Reduced
Siren, L.L.C.3,330,422$20.3M0.90%00.0%Unchanged
Redmile Group, LLC2,952,131$18.0M1.26%−120,347−3.9%Reduced
Sanofi1,438,975$8.79M5.04%+1,438,975New
BlackRock, Inc.1,054,028$6.44M0.00%+154,107+17.1%Added
Goldman Sachs Group Inc978,485$5.98M0.00%−280,745−22.3%Reduced
Vanguard Group Inc896,350$5.48M0.00%+6,150+0.7%Added
FMR LLC473,426$2.89M0.00%−346,103−42.2%Reduced
State Street Corp459,451$2.81M0.00%−10,339−2.2%Reduced
Geode Capital Management, LLC409,133$2.50M0.00%+13,334+3.4%Added
Northern Trust Corp192,985$1.18M0.00%+1,312+0.7%Added
TD Asset Management Inc164,472$1.00M0.00%00.0%Unchanged
Charles Schwab Investment Management Inc157,843$964.4K0.00%+9,441+6.4%Added
Rhenman & Partners Asset Management AB126,064$770.3K0.08%−59,395−32.0%Reduced
Two Sigma Investments, LP107,620$657.6K0.00%+71,343+196.7%Added
Wellington Management Group LLP101,055$617.4K0.00%+2,716+2.8%Added
Bruce & Co., Inc.100,000$611.0K0.20%00.0%Unchanged
Morgan Stanley96,917$592.2K0.00%−742−0.8%Reduced
Gsa Capital Partners LLP93,482$571.0K0.04%+36,728+64.7%Added
Millennium Management LLC83,468$510.0K0.00%−48,874−36.9%Reduced
Renaissance Technologies LLC75,800$463.1K0.00%+9,300+14.0%Added
Manufacturers Life Insurance Company, The72,155$440.9K0.00%−2,457−3.3%Reduced
Woodline Partners LP67,259$411.0K0.00%00.0%Unchanged
Bank of New York Mellon Corp47,497$290.2K0.00%+1,154+2.5%Added
Nuveen Asset Management, LLC45,015$275.0K0.00%00.0%Unchanged
Eagle Bay Advisors LLC44,635$272.7K0.17%00.0%Unchanged
Alliancebernstein L.P.39,200$239.5K0.00%−2,030−4.9%Reduced
Susquehanna Fundamental Investments, LLC36,369$222.2K0.00%+36,369New
Independent Financial Group, LLC34,500$210.8K0.01%+34,500New
Susquehanna International Group, LLP32,367$197.8K0.00%+12,900+66.3%Added
Cubist Systematic Strategies, LLC30,148$184.2K0.00%+30,148New
Cerity Partners LLC10,500$173.7K0.00%00.0%Unchanged
Barclays PLC26,303$160.7K0.00%+4,749+22.0%Added
Rhumbline Advisers22,618$138.2K0.00%+2,332+11.5%Added
HRT Financial LP21,762$132.0K0.00%+21,762New
Royal Bank of Canada20,049$123.0K0.00%−22,029−52.4%Reduced
Bank of America Corp19,993$122.2K0.00%+2,806+16.3%Added
Dimensional Fund Advisors LP18,604$113.7K0.00%00.0%Unchanged
Susquehanna Portfolio Strategies, LLC14,385$87.9K0.30%−15,824−52.4%Reduced
Citigroup Inc12,251$74.9K0.00%+1,286+11.7%Added
Deutsche Bank AG11,227$68.6K0.00%+24+0.2%Added
Exchange Traded Concepts, LLC10,572$64.6K0.00%00.0%Unchanged
UBS Group AG10,498$64.1K0.00%+3,294+45.7%Added
Captrust Financial Advisors10,201$62.3K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.10,107$61.8K0.00%−87,609−89.7%Reduced
Hamilton Wealth, LLC10,000$61.1K0.01%+10,000New
JPMorgan Chase & Co9,811$59.9K0.00%+3,024+44.6%Added
Mirae Asset Global ETFs Holdings Ltd.8,706$53.2K0.00%+380+4.6%Added
Virtus ETF Advisers LLC8,649$52.8K0.02%−2,957−25.5%Reduced
Corebridge Financial, Inc.7,625$46.6K0.00%−487−6.0%Reduced
Wells Fargo & Company7,444$45.5K0.00%+2,457+49.3%Added
China Universal Asset Management Co., Ltd.7,226$44.2K0.00%+7,226New
BNP Paribas Arbitrage, SA6,634$40.5K0.00%+6,634New
New York State Common Retirement Fund6,512$39.8K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC3,954$24.2K0.00%−6−0.2%Reduced
Tower Research Capital LLC (TRC)3,439$21.0K0.00%+2,510+270.2%Added
Quest Partners LLC3,347$20.4K0.00%+1,702+103.5%Added
Police & Firemen's Retirement System of New Jersey3,156$19.3K0.00%+3,156New
Legal & General Group Plc1,746$10.7K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,327$8.11K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.1,136$7.24K0.00%+1,136New
California State Teachers Retirement System1,099$6.71K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.716$4.38K0.00%+716New
Point72 (DIFC) Ltd697$4.26K0.00%+697New
Comerica Bank617$3.77K0.00%00.0%Unchanged
Simplex Trading, LLC561$3.00K0.00%+157+38.9%Added
Smartleaf Asset Management LLC434$2.63K0.00%00.0%Unchanged
R Squared Ltd370$2.26K0.00%+370New
Amalgamated Bank351$2.00K0.00%00.0%Unchanged
GAMMA Investing LLC251$1.53K0.00%+182+263.8%Added
Lindbrook Capital, LLC194$1.19K0.00%+9+4.9%Added
Versant Capital Management, Inc169$1.03K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd169$1.03K0.00%+169New
CWM, LLC135$1.00K0.00%+118+694.1%Added
Signaturefd, LLC161$9840.00%00.0%Unchanged
Russell Investments Group, Ltd.131$8000.00%−790−85.8%Reduced
Advisor Group Holdings, Inc.96$5860.00%+96New
US Bancorp26$1590.00%−64−71.1%Reduced
The PNC Financial Services Group, Inc.23$1410.00%00.0%Unchanged
SBI Securities Co., Ltd.21$1280.00%+21New
Sterling Capital Management LLC18$1100.00%00.0%Unchanged
Farther Finance Advisors, LLC9$550.00%00.0%Unchanged
Macquarie Group Ltd3,342$200.00%+3,342New
Point72 Asia (Singapore) Pte. Ltd.1$80.00%+1New
Invesco Ltd.0$00.00%−222,928−100.0%Sold out
Corton Capital Inc.0$00.00%−66,768−100.0%Sold out
Jane Street Group, LLC0$00.00%−24,135−100.0%Sold out
MetLife Investment Management0$00.00%−8,997−100.0%Sold out
NBC Securities, Inc.0$00.00%−450−100.0%Sold out