GROUP ONE TRADING, L.P. - MDC PARTNERS INC ownership

MDC PARTNERS INC's ticker is and the CUSIP is 552697954. A total of 3 filers reported holding MDC PARTNERS INC in Q2 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 MDC PARTNERS INC
ValueSharesWeighting
Q2 2021$13,000
+333.3%
2,300
+187.5%
0.00%
Q1 2021$3,000
-88.5%
800
-42.9%
0.00%
Q2 2016$26,0001,4000.00%
Other shareholders
MDC PARTNERS INC shareholders Q2 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 2,300$13,0000.00%
SIMPLEX TRADING, LLC 20,800$2,0000.00%
View complete list of MDC PARTNERS INC shareholders