Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Common Stock, par value $0.001 per share
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Shares outstanding
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84.7M
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Number of holders
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83
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Total 13F shares, excl. options
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53.4M
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Shares change
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-2.2M
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Total reported value, excl. options
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$46.4M
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Value change
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-$1.66M
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Number of buys
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28
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Number of sells
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-53
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Price
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$0.87
Significant Holders of SUTRO BIOPHARMA, INC. - Common Stock, par value $0.001 per share (STRO) as of Q3 2025
107 filings reported holding STRO - SUTRO BIOPHARMA, INC. - Common Stock, par value $0.001 per share as of Q3 2025.
SUTRO BIOPHARMA, INC. - Common Stock, par value $0.001 per share (STRO) has 83 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 53.4M shares
of 84.7M outstanding shares and own 63% of the company stock.
Largest 10 shareholders include SUVRETTA CAPITAL MANAGEMENT, LLC (6.49M shares), Kynam Capital Management, LP (5.09M shares), MILLENNIUM MANAGEMENT LLC (4.52M shares), VANGUARD GROUP INC (3.68M shares), ACADIAN ASSET MANAGEMENT LLC (3.39M shares), Velan Capital Investment Management LP (3.12M shares), TANG CAPITAL MANAGEMENT LLC (2.83M shares), Merck & Co., Inc. (2.72M shares), Vestal Point Capital, LP (2.6M shares), and Eversept Partners, LP (2.29M shares).
This table shows the top 83 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.