SIMPLEX TRADING, LLC - DDR CORP ownership

DDR CORP's ticker is and the CUSIP is 23317H952. A total of 2 filers reported holding DDR CORP in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of DDR CORP
ValueSharesWeighting
Q1 2018$5,000
-95.5%
101
-90.1%
0.00%
-100.0%
Q4 2017$111,000
+82.0%
1,018
+102.8%
0.01%
+150.0%
Q3 2017$61,000
-42.5%
502
-30.2%
0.00%
-60.0%
Q2 2017$106,000
+657.1%
719
+16.0%
0.01%
+400.0%
Q1 2017$14,000
-39.1%
620
-4.6%
0.00%0.0%
Q4 2016$23,000650
+64900.0%
0.00%
Q4 2015$010.0%0.00%
Q1 2015$010.00%
Other shareholders
DDR CORP shareholders Q4 2016
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 11,000$168,0000.00%
SIMPLEX TRADING, LLC 650$23,0000.00%
View complete list of DDR CORP shareholders