SIMPLEX TRADING, LLC - ATRECA INC ownership

ATRECA INC's ticker is and the CUSIP is 04965G909. A total of 2 filers reported holding ATRECA INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ATRECA INC
ValueSharesWeighting
Q3 2023$02000.0%0.00%
Q2 2023$02000.0%0.00%
Q4 2022$0
-100.0%
200
-83.3%
0.00%
Q3 2022$1,000
-50.0%
1,200
-20.0%
0.00%
Q2 2022$2,000
-50.0%
1,500
+7.1%
0.00%
Q1 2022$4,000
-83.3%
1,400
-82.7%
0.00%
Q4 2021$24,000
-46.7%
8,100
+52.8%
0.00%
Q3 2021$45,0000.0%5,3000.0%0.00%
Q2 2021$45,000
-40.8%
5,300
+10500.0%
0.00%
Q1 2021$76,000
+43.4%
50
+51.5%
0.00%
Q4 2020$53,00033
+3200.0%
0.00%
Q3 2020$010.00%
Other shareholders
ATRECA INC shareholders Q4 2020
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 19,200$21,8880.00%
View complete list of ATRECA INC shareholders