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IGM Biosciences (IGMS) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for IGM Biosciences (NASDAQ:IGMS)

Current
Institutional Ownership
Percentage
42.79%
Number of
Institutional Buyers
(last 12 months)
28
Total
Institutional Inflows
(last 12 months)
$13.73M
Number of
Institutional Sellers
(last 12 months)
15
Total
Institutional Outflows
(last 12 months)
$5.84M
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IGMS Institutional Buying and Selling by Quarter

IGM Biosciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/23/2025 Siren L.L.C.3,255,826$3.74M0.2%-2.2%5.447%
5/21/2025 Acadian Asset Management LLC85,807$97K0.0%N/A0.144%
5/16/2025 Goldman Sachs Group Inc.793,386$912K0.0%-18.9%1.327%
5/16/2025 AQR Capital Management LLC238,871$275K0.0%N/A0.400%
5/15/2025 Siren L.L.C.3,255,826$3.74M0.2%-2.2%5.447%
5/12/2025 Nuveen LLC45,015$52K0.0%N/A0.075%
5/12/2025 Invesco Ltd.36,127$42K0.0%N/A0.060%
5/9/2025 Deutsche Bank AG46,773$54K0.0%+316.6%0.078%
5/9/2025 Charles Schwab Investment Management Inc.125,614$144K0.0%-20.4%0.210%
5/5/2025 Eagle Bay Advisors LLC99,635$115K0.1%+123.2%0.167%
2/17/2025 Two Sigma Investments LP107,620$658K0.0%+196.7%0.181%
2/17/2025 Susquehanna Portfolio Strategies LLC14,385$88K0.3%-52.4%0.024%
2/17/2025 Sanofi1,438,975$8.79M5.0%N/A2.420%
2/17/2025 Redmile Group LLC2,952,131$18.04M1.3%-3.9%4.965%
2/17/2025 Millennium Management LLC83,468$510K0.0%-45.3%0.140%
2/17/2025 D. E. Shaw & Co. Inc.10,107$62K0.0%-89.7%0.017%
2/17/2025 Cubist Systematic Strategies LLC30,148$184K0.0%N/A0.051%
2/14/2025 Susquehanna Fundamental Investments LLC36,369$222K0.0%N/A0.061%
2/14/2025 Price T Rowe Associates Inc. MD3,568,999$21.81M0.0%-11.1%6.002%
2/13/2025 Renaissance Technologies LLC75,800$463K0.0%+14.0%0.127%
2/13/2025 Rhenman & Partners Asset Management AB126,064$770K0.1%-32.0%0.212%
2/12/2025 Geode Capital Management LLC409,133$2.50M0.0%+3.4%0.688%
2/6/2025 Charles Schwab Investment Management Inc.157,843$964K0.0%+6.4%0.265%
1/24/2025 China Universal Asset Management Co. Ltd.7,226$44K0.0%N/A0.012%
11/19/2024 Barclays PLC21,554$356K0.0%+48.4%0.036%
11/16/2024 Geode Capital Management LLC395,799$6.55M0.0%+7.6%0.667%
11/15/2024 Barclays PLC21,554$356K0.0%+48.4%0.036%
11/15/2024 Wellington Management Group LLP98,339$1.63M0.0%+42.6%0.166%
11/15/2024 State Street Corp469,790$7.77M0.0%+2.7%0.792%
11/15/2024 Baker BROS. Advisors LP4,092,310$67.69M0.7%+0.0%6.899%
11/14/2024 MetLife Investment Management LLC8,997$149K0.0%N/A0.015%
11/13/2024 The Manufacturers Life Insurance Company74,612$1.23M0.0%+8.2%0.126%
11/12/2024 Charles Schwab Investment Management Inc.148,402$2.46M0.0%+12.1%0.250%
11/7/2024 Quest Partners LLC1,645$27K0.0%-86.2%0.003%
11/5/2024 GSA Capital Partners LLP56,754$939K0.1%-8.4%0.096%
10/10/2024 Exchange Traded Concepts LLC10,572$175K0.0%-50.4%0.018%
8/19/2024 Point72 Asset Management L.P.27,246$187K0.0%N/A0.046%
8/15/2024 Susquehanna Fundamental Investments LLC16,028$110K0.0%-42.2%0.027%
8/15/2024 The Manufacturers Life Insurance Company68,929$474K0.0%-2.2%0.117%
8/15/2024 AQR Capital Management LLC12,230$84K0.0%N/A0.021%
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8/14/2024 Marshall Wace LLP107,267$737K0.0%+51.6%0.182%
8/12/2024 XTX Topco Ltd20,408$140K0.0%+70.9%0.035%
8/9/2024 Renaissance Technologies LLC108,693$747K0.0%+126.0%0.184%
8/9/2024 Dimensional Fund Advisors LP37,034$254K0.0%-6.1%0.063%
8/9/2024 Bruce & Co. Inc.100,000$687K0.2%+53.8%0.169%
8/6/2024 Quest Partners LLC11,913$82K0.0%+71.4%0.020%
8/3/2024 TD Asset Management Inc164,472$1.13M0.0%+3.4%0.279%
8/1/2024 Rhumbline Advisers22,726$156K0.0%+13.1%0.039%
7/26/2024 Bank of New York Mellon Corp53,980$371K0.0%+8.9%0.091%
5/17/2024 Artal Group S.A.3,080,422$29.73M0.8%-0.6%5.240%
5/16/2024 Jacobs Levy Equity Management Inc.78,580$758K0.0%N/A0.134%
5/16/2024 Redmile Group LLC3,072,478$29.65M1.1%+3.4%5.226%
5/15/2024 Baker BROS. Advisors LP4,088,322$39.45M0.5%+10.8%6.954%
5/15/2024 Price T Rowe Associates Inc. MD3,888,023$37.52M0.0%+19.3%6.614%
5/14/2024 EntryPoint Capital LLC15,801$152K0.1%N/A0.027%
5/10/2024 Vanguard Group Inc.853,658$8.24M0.0%-4.8%1.452%
5/7/2024 Susquehanna Fundamental Investments LLC27,731$268K0.0%N/A0.047%
2/14/2024 Pennant Investors LP64,900$539K0.1%N/A0.111%
2/14/2024 Pale Fire Capital SE11,601$96K0.0%-7.9%0.020%
2/12/2024 Bruce & Co. Inc.65,000$540K0.2%-45.8%0.111%
2/8/2024 Panagora Asset Management Inc.30,273$252K0.0%N/A0.052%
1/25/2024 Nisa Investment Advisors LLC3,900$32K0.0%+7,258.5%0.007%
1/5/2024 Exchange Traded Concepts LLC19,048$158K0.0%+34.0%0.033%
12/7/2023 Hudson Bay Capital Management LP124,260$1.04M0.0%N/A0.213%
11/15/2023 GSA Capital Partners LLP133,276$1.11M0.1%+24.7%0.228%
11/14/2023 Pale Fire Capital SE12,601$105K0.0%N/A0.022%
11/13/2023 DekaBank Deutsche Girozentrale6,303$50K0.0%N/A0.011%
11/9/2023 Rhenman & Partners Asset Management AB750,000$6.26M0.5%+275.0%1.285%
10/27/2023 TD Asset Management Inc83,452$697K0.0%+100.0%0.143%
10/24/2023 Bank of New York Mellon Corp52,068$435K0.0%-27.9%0.089%
8/15/2023 RA Capital Management L.P.937,500$8.65M0.2%N/A1.606%
8/14/2023 Great Point Partners LLC500,000$4.62M0.9%N/A0.857%
8/14/2023 Prelude Capital Management LLC19,675$182K0.0%N/A0.034%
8/11/2023 Artal Group S.A.2,522,244$23.28M0.7%+0.5%5.855%
8/11/2023 Rhenman & Partners Asset Management AB200,000$1.85M0.2%+110.5%0.464%
8/9/2023 TD Asset Management Inc41,726$385K0.0%+120.9%0.097%
8/8/2023 Candriam S.C.A.175,008$1.62M0.0%-6.8%0.406%
8/4/2023 Maven Securities LTD24,800$229K0.0%N/A0.058%
7/20/2023 Exchange Traded Concepts LLC13,800$127K0.0%N/A0.032%
5/12/2023 Rhenman & Partners Asset Management AB95,000$1.62M0.2%+90.0%0.221%
5/11/2023 ExodusPoint Capital Management LP59,650$820K0.0%+26.7%0.138%
5/9/2023 Tower Research Capital LLC TRC6,122$84K0.0%+923.7%0.014%
4/14/2023Raymond James & Associates41,348$568K0.0%-2.7%0.096%
2/15/2023Endurant Capital Management LP30,320$516K0.2%N/A0.071%
2/15/2023 Alkeon Capital Management LLC833,241$14.17M0.1%-13.3%1.945%
2/13/2023 GSA Capital Partners LLP29,861$508K0.1%+64.3%0.070%
2/13/2023 Rhenman & Partners Asset Management AB50,000$850K0.1%N/A0.117%
2/10/2023 New York Life Investment Management LLC21,167$360K0.0%+12.4%0.049%
2/10/2023 Schroder Investment Management Group26,833$456K0.0%N/A0.063%
2/9/2023 Victory Capital Management Inc.90,200$1.53M0.0%+12.1%0.211%
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2/8/2023Raymond James & Associates42,516$723K0.0%+4.6%0.099%
2/8/2023 Swiss National Bank24,500$417K0.0%+7.9%0.057%
11/15/2022 Marshall Wace LLP246,689$5.61M0.0%-2.4%0.576%
11/14/2022Delphia USA Inc.10,185$232K0.3%N/A0.024%
11/14/2022 PDT Partners LLC13,126$298K0.0%-9.3%0.031%
11/10/2022 ExodusPoint Capital Management LP25,485$580K0.0%N/A0.060%
11/7/2022 Quantbot Technologies LP3,600$81K0.0%N/A0.008%
11/7/2022 Jump Financial LLC26,900$612K0.0%+3.2%0.063%
11/3/2022 Barclays PLC1,951$44K0.0%-78.8%0.005%
11/2/2022 Victory Capital Management Inc.80,450$1.83M0.0%-1.0%0.189%
(Data available from 1/1/2016 forward)

IGMS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of IGMS shares?

During the previous two years, 54 institutional investors and hedge funds held shares of IGM Biosciences. The most heavily invested institutionals were Baker BROS. Advisors LP ($67.69M), Artal Group S.A. ($29.73M), Price T Rowe Associates Inc. MD ($21.81M), Redmile Group LLC ($18.04M), Sanofi ($8.79M), RA Capital Management L.P. ($8.65M), and Vanguard Group Inc. ($8.24M).Learn more on IGMS's institutional investors.

What percentage of IGM Biosciences stock is owned by institutional investors?

42.79% of IGM Biosciences stock is owned by institutional investors. Learn more on IGMS's institutional investor holdings.

Which institutional investors have been buying IGM Biosciences stock?

Of the 46 institutional investors that purchased IGM Biosciences stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Sanofi ($1.44M), RA Capital Management L.P. ($937.50K), Rhenman & Partners Asset Management AB ($655K), Price T Rowe Associates Inc. MD ($628.00K), Great Point Partners LLC ($500K), Baker BROS. Advisors LP ($399.31K), and AQR Capital Management LLC ($251.10K).

How much institutional buying is happening at IGM Biosciences?

Institutional investors have bought a total of 6,175,706 shares in the last 24 months. This purchase volume represents approximately $48.09M in transactions.

Which IGM Biosciences major shareholders have been selling company stock?

Of the 21 institutional investors that sold IGM Biosciences stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Price T Rowe Associates Inc. MD ($445.26K), Goldman Sachs Group Inc. ($185.10K), Siren L.L.C. ($149.19K), Redmile Group LLC ($120.35K), D. E. Shaw & Co. Inc. ($87.61K), Millennium Management LLC ($69.07K), and Rhenman & Partners Asset Management AB ($59.40K).

How much institutional selling is happening at IGM Biosciences?

Institutional investors have sold a total of 1,358,355 shares in the last 24 months. This volume of shares sold represents approximately $7.20M in transactions.


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This page (NASDAQ:IGMS) was last updated on 6/12/2025 by MarketBeat.com Staff
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