SIMPLEX TRADING, LLC - DDR CORP ownership

DDR CORP's ticker is and the CUSIP is 23317H902. A total of 2 filers reported holding DDR CORP in Q3 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$2,000
-50.0%
61
+3.4%
0.00%
Q4 2017$4,00059
-24.4%
0.00%
Q3 2017$0
-100.0%
78
+56.0%
0.00%
Q2 2017$2,00050
+138.1%
0.00%
Q1 2017$0
-100.0%
210.0%0.00%
Q4 2016$2,00021
+320.0%
0.00%
Q3 2016$050.00%
Other shareholders
DDR CORP shareholders Q3 2016
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 5,400$90,0000.00%
Citadel Advisors 4,000$67,0000.00%
View complete list of DDR CORP shareholders