Free Trial
→ This Crypto Is Set to Explode in January (From Crypto 101 Media) (Ad) Free IGMS Stock Alerts

IGM Biosciences (IGMS) Institutional Ownership

IGM Biosciences logo
$1.31 +0.04 (+3.15%)
Closing price 08/1/2025 04:00 PM Eastern
Extended Trading
$1.28 -0.03 (-2.29%)
As of 08/1/2025 05:16 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

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

Current
Institutional Ownership
Percentage
42.79%
Number of
Institutional Buyers
(last 12 months)
26
Total
Institutional Inflows
(last 12 months)
$13.68M
Number of
Institutional Sellers
(last 12 months)
15
Total
Institutional Outflows
(last 12 months)
$6.05M
Get IGMS Insider Trade Alerts

Want to know when executives and insiders are buying or selling IGM Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

IGMS Institutional Buying and Selling by Quarter

IGM Biosciences Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
6/27/2025Goldman Sachs Group Inc.793,386$912K0.0%-18.9%1.327%
5/23/2025Siren L.L.C.3,255,826$3.74M0.2%-2.2%5.447%
5/21/2025Acadian Asset Management LLC85,807$97K0.0%N/A0.144%
5/16/2025Goldman Sachs Group Inc.793,386$912K0.0%-18.9%1.327%
5/16/2025AQR Capital Management LLC238,871$275K0.0%N/A0.400%
5/15/2025Siren L.L.C.3,255,826$3.74M0.2%-2.2%5.447%
5/12/2025Nuveen LLC45,015$52K0.0%N/A0.075%
5/12/2025Invesco Ltd.36,127$42K0.0%N/A0.060%
5/9/2025Deutsche Bank AG46,773$54K0.0%+316.6%0.078%
5/9/2025Charles 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%
2/17/2025Two Sigma Investments LP107,620$658K0.0%+196.7%0.181%
2/17/2025Susquehanna Portfolio Strategies LLC14,385$88K0.3%-52.4%0.024%
2/17/2025 Sanofi1,438,975$8.79M5.0%N/A2.420%
2/17/2025Redmile Group LLC2,952,131$18.04M1.3%-3.9%4.965%
2/17/2025Millennium Management LLC83,468$510K0.0%-45.3%0.140%
2/17/2025D. E. Shaw & Co. Inc.10,107$62K0.0%-89.7%0.017%
2/17/2025Cubist Systematic Strategies LLC30,148$184K0.0%N/A0.051%
2/14/2025Susquehanna Fundamental Investments LLC36,369$222K0.0%N/A0.061%
2/14/2025Price T Rowe Associates Inc. MD3,568,999$21.81M0.0%-11.1%6.002%
2/13/2025Renaissance Technologies LLC75,800$463K0.0%+14.0%0.127%
2/13/2025Rhenman & Partners Asset Management AB126,064$770K0.1%-32.0%0.212%
2/12/2025Geode Capital Management LLC409,133$2.50M0.0%+3.4%0.688%
2/6/2025Charles Schwab Investment Management Inc.157,843$964K0.0%+6.4%0.265%
1/24/2025China Universal Asset Management Co. Ltd.7,226$44K0.0%N/A0.012%
11/19/2024Barclays PLC21,554$356K0.0%+48.4%0.036%
11/16/2024Geode Capital Management LLC395,799$6.55M0.0%+7.6%0.667%
11/15/2024Barclays PLC21,554$356K0.0%+48.4%0.036%
11/15/2024Wellington Management Group LLP98,339$1.63M0.0%+42.6%0.166%
11/15/2024State Street Corp469,790$7.77M0.0%+2.7%0.792%
11/15/2024Baker BROS. Advisors LP4,092,310$67.69M0.7%+0.0%6.899%
11/14/2024MetLife Investment Management LLC8,997$149K0.0%N/A0.015%
11/13/2024The Manufacturers Life Insurance Company74,612$1.23M0.0%+8.2%0.126%
11/12/2024Charles 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%
8/19/2024Point72 Asset Management L.P.27,246$187K0.0%N/A0.046%
8/15/2024Susquehanna Fundamental Investments LLC16,028$110K0.0%-42.2%0.027%
8/15/2024The Manufacturers Life Insurance Company68,929$474K0.0%-2.2%0.117%
Is Elon's empire crumbling? (Ad)

The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered a revolutionary AI breakthrough buried inside Tesla's labs. One that is helping AI escape from our computer screens and manifest itself here in the real world all while creating a 25,000% growth market explosion starting as early as October 23rd.

Click here to see the Tesla shock that could blindside everyone.
8/15/2024AQR Capital Management LLC12,230$84K0.0%N/A0.021%
8/14/2024Marshall Wace LLP107,267$737K0.0%+51.6%0.182%
8/12/2024XTX Topco Ltd20,408$140K0.0%+70.9%0.035%
8/9/2024Renaissance Technologies LLC108,693$747K0.0%+126.0%0.184%
8/9/2024Dimensional Fund Advisors LP37,034$254K0.0%-6.1%0.063%
8/9/2024Bruce & 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%
8/1/2024Rhumbline Advisers22,726$156K0.0%+13.1%0.039%
7/26/2024Bank of New York Mellon Corp53,980$371K0.0%+8.9%0.091%
5/17/2024Artal Group S.A.3,080,422$29.73M0.8%-0.6%5.240%
5/16/2024Jacobs Levy Equity Management Inc.78,580$758K0.0%N/A0.134%
5/16/2024Redmile Group LLC3,072,478$29.65M1.1%+3.4%5.226%
5/15/2024Baker BROS. Advisors LP4,088,322$39.45M0.5%+10.8%6.954%
5/15/2024Price T Rowe Associates Inc. MD3,888,023$37.52M0.0%+19.3%6.614%
5/14/2024EntryPoint Capital LLC15,801$152K0.1%N/A0.027%
5/10/2024Vanguard Group Inc.853,658$8.24M0.0%-4.8%1.452%
5/7/2024Susquehanna Fundamental Investments LLC27,731$268K0.0%N/A0.047%
2/14/2024Pennant Investors LP64,900$539K0.1%N/A0.111%
2/14/2024Pale Fire Capital SE11,601$96K0.0%-7.9%0.020%
2/12/2024Bruce & Co. Inc.65,000$540K0.2%-45.8%0.111%
2/8/2024Panagora 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%
12/7/2023Hudson 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%
11/14/2023Pale Fire Capital SE12,601$105K0.0%N/A0.022%
11/13/2023 DekaBank Deutsche Girozentrale6,303$50K0.0%N/A0.011%
11/9/2023Rhenman & 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%
10/24/2023Bank of New York Mellon Corp52,068$435K0.0%-27.9%0.089%
8/15/2023RA Capital Management L.P.937,500$8.65M0.2%N/A1.606%
8/14/2023Great Point Partners LLC500,000$4.62M0.9%N/A0.857%
8/14/2023Prelude Capital Management LLC19,675$182K0.0%N/A0.034%
8/11/2023Artal Group S.A.2,522,244$23.28M0.7%+0.5%5.855%
8/11/2023Rhenman & 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%
8/8/2023Candriam S.C.A.175,008$1.62M0.0%-6.8%0.406%
8/4/2023Maven Securities LTD24,800$229K0.0%N/A0.058%
7/20/2023 Exchange Traded Concepts LLC13,800$127K0.0%N/A0.032%
5/12/2023Rhenman & Partners Asset Management AB95,000$1.62M0.2%+90.0%0.221%
5/11/2023ExodusPoint Capital Management LP59,650$820K0.0%+26.7%0.138%
5/9/2023Tower 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%
2/15/2023Alkeon 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%
2/13/2023Rhenman & Partners Asset Management AB50,000$850K0.1%N/A0.117%
2/10/2023New York Life Investment Management LLC21,167$360K0.0%+12.4%0.049%
2/10/2023Schroder Investment Management Group26,833$456K0.0%N/A0.063%
Is Elon's empire crumbling? (Ad)

The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered a revolutionary AI breakthrough buried inside Tesla's labs. One that is helping AI escape from our computer screens and manifest itself here in the real world all while creating a 25,000% growth market explosion starting as early as October 23rd.

Click here to see the Tesla shock that could blindside everyone.
2/9/2023Victory Capital Management Inc.90,200$1.53M0.0%+12.1%0.211%
2/8/2023Raymond James & Associates42,516$723K0.0%+4.6%0.099%
2/8/2023Swiss National Bank24,500$417K0.0%+7.9%0.057%
11/15/2022Marshall Wace LLP246,689$5.61M0.0%-2.4%0.576%
11/14/2022Delphia USA Inc.10,185$232K0.3%N/A0.024%
11/14/2022PDT Partners LLC13,126$298K0.0%-9.3%0.031%
11/10/2022ExodusPoint Capital Management LP25,485$580K0.0%N/A0.060%
11/7/2022Quantbot Technologies LP3,600$81K0.0%N/A0.008%
11/7/2022Jump Financial LLC26,900$612K0.0%+3.2%0.063%
11/3/2022Barclays PLC1,951$44K0.0%-78.8%0.005%
(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 IGM Biosciences' 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 2,419,306 shares in the last 24 months. This purchase volume represents approximately $13.68M in transactions.

Which of IGM Biosciences' major shareholders have been selling company stock?

Of the 15 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. ($370.20K), 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 1,391,052 shares in the last 24 months. This volume of shares sold represents approximately $6.05M in transactions.


Related Companies

This page (NASDAQ:IGMS) was last updated on 8/2/2025 by MarketBeat.com Staff
From Our Partners
Elon’s BIGGEST warning yet?
Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… ...
Brownstone Research | Sponsored
China just unlocked Nvidia’s AI chips—what that means for you
Tired of Missing Big AI Moves Like Nvidia? You’re not the problem—your trading system is. Tim’s XGPT system...
Timothy Sykes | Sponsored
This Social Security Shift Could Boost Benefits by 400%
If you currently collect Social Security—or plan to in the future—this may be one of the most important update...
InvestorPlace | Sponsored
Man Who Called Nvidia at $1.10 Says Buy This Now...
In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...
The Oxford Club | Sponsored
A new rule goes live in July — and the banks are quietly crushing it
A little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Stre...
American Alternative | Sponsored
Your blueprint for crypto wealth
Mark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…
Crypto 101 Media | Sponsored
Jeff Bezos Launches "ChatGPT Killer"?
Amazon just launched Nova—its secretive new AI system designed to rival ChatGPT. Bezos says he now spends 95% ...
Stansberry Research | Sponsored
Alien rocks potentially worth trillions…
It might look like just a weird rock—but it’s tied to a discovery 60 Minutes says could be worth up to $16 tri...
Porter & Company | Sponsored