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GT Biopharma
GTBP
0.3175
2.64% ( -0.0086 )
Closed: Aug 5, 15:59:51 (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
Public and others
86.85%
Individuals & Insiders
6.94%
Institutions
5.95%
Private companies
0.26%
Public companies
0.00%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Robert Marzilli
5.90%
2.13M
3.91%
+1.43M
04/15/2026
Vanguard Capital Management, LLC
1.25%
451.88K
--
+451.88K
03/31/2026
Geode Capital Management, LLC
0.82%
294.46K
0.74%
+275.20K
03/31/2026
Michael Breen
President, CEO & Executive Chairman
0.68%
243.54K
0.50%
+198.33K
02/23/2026
Vanguard Fiduciary Trust Company
0.63%
225.94K
--
+225.94K
03/31/2026
Rain Forest Partners LLC
0.33%
120.52K
0.31%
+110.78K
04/15/2026
Everhart Financial Group, Inc.
0.28%
100.00K
--
+100.00K
06/30/2026
Bristol Capital Advisors LLC
0.26%
94.80K
2.25%
-789.72K
04/15/2026
Arax Advisory Partners, LLC
0.26%
93.63K
--
+93.63K
03/31/2026
Five Narrow Lane LP
0.26%
92.53K
0.12%
-39.28K
04/15/2026
Opal Wealth Advisors, LLC
0.23%
81.81K
--
+81.81K
06/30/2026
Citadel Advisors LLC
0.18%
66.17K
0.13%
-14.60K
03/31/2026
Charles Casamento
Independent Director
0.17%
62.50K
0.17%
+62.50K
02/23/2026
SeaCrest Wealth Management, LLC
0.14%
50.10K
<0.01%
+100.00
06/30/2026
Kitching Partners, LLC
0.14%
50.00K
--
+50.00K
06/30/2026
Alan Urban
CFO & Secretary
0.14%
50.00K
0.14%
+50.00K
02/23/2026
UBS Asset Management AG
0.13%
45.97K
0.13%
+45.97K
03/31/2026
Two Sigma Securities, LLC
0.09%
31.80K
0.04%
+19.26K
03/31/2026
LPL Financial LLC
0.08%
30.38K
0.04%
+19.75K
03/31/2026
Intracoastal Capital LLC
0.07%
25.25K
0.02%
+6.93K
04/15/2026
