Type / Class
Equity / Common Stock, $0.0001 par value per share
Shares outstanding
239,125,529
Total 13F shares
180,099,232
Share change
+2,781,526
Total reported value
$473,650,742
Put/Call ratio
2.6%
Price per share
$2.63
Number of holders
162
Value change
+$14,481,997
Number of buys
102
Number of sells
59

Institutional Holders of Gossamer Bio, Inc. - Common Stock, $0.0001 par value per share (GOSS) as of Q3 2025

As of 30 Sep 2025, Gossamer Bio, Inc. - Common Stock, $0.0001 par value per share (GOSS) was held by 162 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 180,099,232 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 162 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.