SIMPLEX TRADING, LLC - MDC PARTNERS INC ownership

MDC PARTNERS INC's ticker is and the CUSIP is 552697904. A total of 2 filers reported holding MDC PARTNERS 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 MDC PARTNERS INC
ValueSharesWeighting
Q2 2021$0
-100.0%
100
+127.3%
0.00%
Q1 2021$13,000
+333.3%
44
+193.3%
0.00%
Q4 2020$3,000
-90.0%
15
-92.0%
0.00%
Q3 2020$30,000
-48.3%
187
-33.9%
0.00%
Q2 2020$58,000
+5700.0%
283
+4616.7%
0.00%
Q2 2019$1,000
-85.7%
6
-82.4%
0.00%
Q1 2019$7,000
-72.0%
34
-44.3%
0.00%
Q3 2018$25,000
+78.6%
61
+96.8%
0.00%
Q2 2018$14,00031
+24.0%
0.00%
Q1 2018$025
+150.0%
0.00%
Q4 2017$0
-100.0%
10
-93.1%
0.00%
-100.0%
Q3 2017$21,000144
+14300.0%
0.00%
Q2 2017$0
-100.0%
1
-99.0%
0.00%
-100.0%
Q1 2017$23,00099
+395.0%
0.00%
Q4 2016$0
-100.0%
20
-84.5%
0.00%
Q3 2016$1,000
-97.0%
129
-3.7%
0.00%
-100.0%
Q2 2016$33,0001340.00%
Other shareholders
MDC PARTNERS INC shareholders Q4 2020
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 15$3,0000.00%
View complete list of MDC PARTNERS INC shareholders