SIMPLEX TRADING, LLC - GT BIOPHARMA INC ownership

GT BIOPHARMA INC's ticker is and the CUSIP is 36254L909. A total of 3 filers reported holding GT BIOPHARMA INC in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of GT BIOPHARMA INC
ValueSharesWeighting
Q1 2022$2,000
-77.8%
1,000
-66.7%
0.00%
Q4 2021$9,0000.0%3,000
+400.0%
0.00%
Q3 2021$9,0000.0%6000.0%0.00%
Q2 2021$9,0006000.00%
Other shareholders
GT BIOPHARMA INC shareholders Q4 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 56,400$172,0000.00%
SIMPLEX TRADING, LLC 3,000$9,0000.00%
View complete list of GT BIOPHARMA INC shareholders