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Gossamer Bio
GOSS
10.730
10.13% ( -1.210 )
Closed: Sep 18, 16:00:00 (EDT)
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Overview
Overview
Options
Options
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
42.93%
Hedge funds
35.77%
Public and others
19.76%
Individuals & Insiders
1.54%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
683 Capital Management, LLC
8.02%
489.99K
5.89%
+427.49K
06/30/2026
D. E. Shaw & Co., L.P.
5.96%
364.10K
2.42%
-147.89K
08/24/2026
Context Capital Management LLC
5.92%
361.83K
--
+361.83K
06/30/2026
DeepCurrents Investment Group LLC
5.66%
345.58K
--
+345.58K
06/30/2026
Worth Venture Partners, LLC
5.12%
312.72K
--
+312.72K
06/30/2026
Opaleye Management Inc.
5.10%
311.78K
5.10%
+311.78K
07/22/2026
AQR Capital Management, LLC
3.17%
193.43K
1.11%
+67.95K
06/30/2026
GSA Capital Partners LLP
3.07%
187.34K
1.68%
+146.66K
06/30/2026
Wolverine Asset Management, LLC
2.64%
161.18K
--
+161.18K
06/30/2026
Renaissance Technologies LLC
2.38%
145.37K
1.86%
+130.15K
06/30/2026
Kalehua Capital Management LLC
2.28%
139.37K
2.08%
+11.41K
06/30/2026
Vanguard Capital Management, LLC
2.18%
133.27K
2.42%
-1.72K
06/30/2026
Verition Fund Management LLC
2.05%
125.24K
--
+125.24K
06/30/2026
Arch Venture Partners, L.P.
1.65%
100.70K
1.78%
+0
06/30/2026
Octagon Capital Advisors LP
1.59%
96.88K
1.72%
+0
06/30/2026
BlackRock, Inc.
1.57%
95.87K
5.60%
-114.46K
06/30/2026
Arrowstreet Capital, Limited Partnership
1.55%
94.67K
1.55%
+94.67K
06/30/2026
Barclays Bank Plc
1.54%
94.06K
0.26%
+56.48K
06/30/2026
Two Sigma Investments, LP
1.52%
92.90K
0.52%
+33.14K
06/30/2026
Samsara BioCapital LLC
1.48%
90.28K
1.60%
+0
06/30/2026