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Sigma Planning Corp

SEC CIK
0001449126
Latest filing
Aug 7, 2026

GTBP holding history

GT Biopharma, Inc. in every 13F filed by Sigma Planning Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

GTBP overviewAll 13F holders of GTBPFull Q2 2026 holdings

Shares (Q4 2023)
0
Sold out in Q4 2023
Value
$0
% of portfolio
0.0%
Quarters held
7
Since Q1 2022
Holdings of GTBP by Sigma Planning Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20230$00.0%−20,395−100.0%Sold outHolders
Q3 202320,395$4.92K<0.1%00.0%UnchangedHolders
Q2 202320,395$6.36K<0.1%−2,500−10.9%ReducedHolders
Q1 202322,895$12.6K<0.1%+1,500+7.0%AddedHolders
Q4 202221,395$18.9K<0.1%00.0%UnchangedHolders
Q3 202221,395$38.0K<0.1%−50.0%ReducedHolders
Q2 202221,400$64.0K<0.1%00.0%UnchangedHolders
Q1 202221,400$62.0K<0.1%+21,400NewHolders