Q3 2025 13F Holders as of 30 Sep 2025
-
Type / Class
-
Equity / Common Stock
-
Shares outstanding
-
227M
-
Number of holders
-
161
-
Total 13F shares, excl. options
-
180M
-
Shares change
-
+2.78M
-
Total reported value, excl. options
-
$474M
-
Value change
-
+$14.5M
-
Put/Call ratio
-
0.03
-
Number of buys
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101
-
Number of sells
-
-59
-
Price
-
$2.63
Significant Holders of Gossamer Bio, Inc. - Common Stock (GOSS) as of Q3 2025
192 filings reported holding GOSS - Gossamer Bio, Inc. - Common Stock as of Q3 2025.
Gossamer Bio, Inc. - Common Stock (GOSS) has 161 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 180M shares
of 227M outstanding shares and own 79.23% of the company stock.
Largest 10 shareholders include NEA Management Company, LLC (18.1M shares), Octagon Capital Advisors LP (17.1M shares), BlackRock, Inc. (13.8M shares), VANGUARD GROUP INC (12M shares), ARCH Venture Management, LLC (8.06M shares), SAMSARA BIOCAPITAL, LLC (6.13M shares), Palo Alto Investors LP (5.46M shares), Siren, L.L.C. (5.21M shares), 683 Capital Management, LLC (5.06M shares), and ACADIAN ASSET MANAGEMENT LLC (5.01M shares).
This table shows the top 161 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.