Gossamer Bio, Inc. - Common Stock (GOSS)

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock
Shares outstanding
227,306,614
Total 13F shares
180,099,073
Share change
+2,781,366
Total reported value
$473,650,324
Put/Call ratio
2.6%
Price per share
$2.63
Number of holders
161
Value change
+$14,481,602
Number of buys
101
Number of sells
59

Institutional Holders of Gossamer Bio, Inc. - Common Stock (GOSS) as of Q3 2025

As of 30 Sep 2025, Gossamer Bio, Inc. - Common Stock (GOSS) was held by 161 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 180,099,073 shares. The largest 10 holders included NEA Management Company, LLC, Octagon Capital Advisors LP, BlackRock, Inc., VANGUARD GROUP INC, ARCH Venture Management, LLC, SAMSARA BIOCAPITAL, LLC, Palo Alto Investors LP, Siren, L.L.C., 683 Capital Management, LLC, and ACADIAN ASSET MANAGEMENT LLC. This page lists 161 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
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.