Gossamer Bio GOSS Institutional Ownership

NASDAQ GOSS
$0.16 +0.00 (+0.00%)
At close: Aug 20, 2026 · 4:00 PM EDT

Institutions by Trading Activity

Ownership Statistics

234,137,364Shares Outstanding
166,979,407Shares held by institutions
$23,377,117Value of institutional holdings
71.32%Institutional ownership %
10.04%Shares Changed QoQ
181No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Gossamer Bio, Inc. (NASDAQ:GOSS) has 181 institutional investors with active 13F positions as of March 2026.

181 Institutional Holders

166,979,407 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 16,826,695 -230,183 -1.35% $5,527,571.00
AQR CAPITAL MANAGEMENT LLC 31 Mar, 2026 10,126,897 9,007,657 804.80% $3,326,687.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 9,394,593 9,394,593 0.00% $3,090,821.00
ARCH Venture Management, LLC 31 Mar, 2026 8,055,916 0 0.00% $2,646,368.00
Octagon Capital Advisors LP 31 Mar, 2026 7,750,000 -6,165,371 -44.31% $2,545,875.00
Kalehua Capital Management LLC 31 Mar, 2026 7,471,840 7,471,840 0.00% $2,454,499.00
Samsara BioCapital, LLC 31 Mar, 2026 7,222,559 0 0.00% $2,372,611.00
BALYASNY ASSET MANAGEMENT L.P. 31 Mar, 2026 5,922,298 4,405,607 290.47% $1,945,475.00
ACADIAN ASSET MANAGEMENT LLC 31 Mar, 2026 5,277,904 861,001 19.49% $1,729.00
Siren, L.L.C. 31 Mar, 2026 5,208,968 0 0.00% $1,711,146.00
683 Capital Management, LLC 31 Mar, 2026 5,000,000 -190,800 -3.68% $1,642,500.00
HHLR ADVISORS, LTD. 31 Mar, 2026 4,974,041 0 0.00% $1,633,972.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 4,939,691 66,977 1.37% $1,623,125.00
Qube Research & Technologies Ltd 31 Mar, 2026 4,917,763 4,377,196 809.74% $1,615,485.00
TWO SIGMA INVESTMENTS, LP 31 Mar, 2026 4,780,851 1,383,741 40.73% $1,570,510.00
State Street Corp 31 Mar, 2026 4,388,109 -4,922,860 -52.87% $1,441,494.00
Corient Private Wealth LLC 31 Mar, 2026 3,985,383 -3,706,387 -48.19% $1,309,199.00
Squarepoint Ops LLC 31 Mar, 2026 3,398,757 3,177,166 1,433.80% $1,116,492.00
GSA CAPITAL PARTNERS LLP 31 Mar, 2026 3,254,233 3,202,373 6,175.03% $1,069.00
Bank Of America Corp /De/ 31 Mar, 2026 3,173,725 1,267,056 66.45% $1,040,982.00