GROUP ONE TRADING, L.P. - SURFACE ONCOLOGY INC ownership

SURFACE ONCOLOGY INC's ticker is and the CUSIP is 86877M909. A total of 3 filers reported holding SURFACE ONCOLOGY INC in Q4 2022. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of SURFACE ONCOLOGY INC
ValueSharesWeighting
Q2 2023$1,304
-94.1%
1,500
-94.5%
0.00%
Q4 2022$22,222
-60.3%
27,100
-49.7%
0.00%
Q3 2022$56,000
-50.9%
53,900
-22.2%
0.00%
Q2 2022$114,000
-37.4%
69,300
+12.1%
0.00%
Q1 2022$182,000
-19.1%
61,800
+31.5%
0.00%
Q4 2021$225,000
-61.5%
47,000
-39.0%
0.00%
-100.0%
Q3 2021$584,000
+39.4%
77,100
+37.2%
0.00%0.0%
Q2 2021$419,000
-67.1%
56,200
-65.6%
0.00%
-50.0%
Q1 2021$1,274,000
+1047.7%
163,300
+1260.8%
0.00%
Q4 2020$111,00012,0000.00%
Other shareholders
SURFACE ONCOLOGY INC shareholders Q4 2022
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 27,100$22,2220.00%
SIMPLEX TRADING, LLC 22,500$180.00%
View complete list of SURFACE ONCOLOGY INC shareholders