GT Biopharma, Inc.

Historical 13F Holders

Symbol
GTBP
CUSIP
36254L308
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 36254L308 since 12/18/2024, largest first.

Filer % of Class Filed
Five Narrow Lane LP 13G 10.0% 5/14/2025
Event 5/13/2025
Cytovance Biologics Inc 13G/A 9.8% 10/17/2024
Event 9/30/2024
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Bristol Investment Fund, Ltd. 13G/A
2.4% 6/2/2025
Event 5/29/2025

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q2 59 2.10 M $1.02 M
2026 Q1 42 1.61 M $657 k
2025 Q4 38 483 k $374 k
2025 Q3 21 374 k $222 k
2025 Q2 22 199 k $711 k
2025 Q1 21 99.7 k $220 k
2024 Q4 19 1.24 M $29.3 M
2024 Q3 17 1.25 M $35.3 M
2024 Q2 18 1.08 M $38.1 M
2024 Q1 17 76.0 k $351 k
2023 Q4 2 208 $53.00