GROUP ONE TRADING, L.P. - SYNACOR INC ownership

SYNACOR INC's ticker is and the CUSIP is 871561956. A total of 3 filers reported holding SYNACOR INC in Q1 2021. 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 SYNACOR INC
ValueSharesWeighting
Q1 2021$52,000
+1200.0%
23,800
+1883.3%
0.00%
Q2 2017$4,000
-20.0%
1,200
-7.7%
0.00%
Q1 2017$5,000
-95.6%
1,300
-96.5%
0.00%
-100.0%
Q4 2016$114,000
-7.3%
36,800
-12.8%
0.00%0.0%
Q3 2016$123,000
+6050.0%
42,200
+2914.3%
0.00%
Q2 2015$2,000
-33.3%
1,4000.0%0.00%
Q1 2015$3,0000.0%1,4000.0%0.00%
Q4 2014$3,000
-98.1%
1,400
-97.7%
0.00%
-100.0%
Q2 2014$157,000
-5.4%
61,500
-8.6%
0.00%
-33.3%
Q1 2014$166,000
+538.5%
67,300
+523.1%
0.00%
Q4 2013$26,000
-40.9%
10,800
-37.2%
0.00%
-100.0%
Q3 2013$44,000
-46.3%
17,200
-35.3%
0.00%
-50.0%
Q2 2013$82,00026,6000.00%
Other shareholders
SYNACOR INC shareholders Q1 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 23,800$52,0000.00%
SIMPLEX TRADING, LLC 20$4,0000.00%
View complete list of SYNACOR INC shareholders