Q2 2025 13F Holders as of 6/30/2025
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Type / Class
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Equity / Common Stock, par value $0.01 per share
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Shares outstanding
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34.7M
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Number of holders
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66
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Total 13F shares, excl. options
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16M
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Shares change
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-1.86M
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Total reported value, excl. options
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$17.9M
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Value change
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-$2.1M
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Number of buys
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24
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Number of sells
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-53
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Price
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$1.12
Significant Holders of IGM Biosciences, Inc. - Common Stock, par value $0.01 per share (IGMS) as of Q2 2025
90 filings reported holding IGMS - IGM Biosciences, Inc. - Common Stock, par value $0.01 per share as of Q2 2025.
IGM Biosciences, Inc. - Common Stock, par value $0.01 per share (IGMS) has 66 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 16M shares
of 34.7M outstanding shares and own 45.97% of the company stock.
Largest 10 shareholders include BAKER BROS. ADVISORS LP (4.1M shares), Siren, L.L.C. (3.26M shares), Redmile Group, LLC (2.95M shares), Sanofi (1.44M shares), GOLDMAN SACHS GROUP INC (855K shares), VANGUARD GROUP INC (767K shares), BlackRock, Inc. (385K shares), MILLENNIUM MANAGEMENT LLC (275K shares), GEODE CAPITAL MANAGEMENT, LLC (213K shares), and JANE STREET GROUP, LLC (181K shares).
This table shows the top 66 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.