SIMPLEX TRADING, LLC - MDC PARTNERS INC ownership

MDC PARTNERS INC's ticker is MDCA and the CUSIP is 552697104. A total of 119 filers reported holding MDC PARTNERS INC in Q4 2016. The put-call ratio across all filers is 0.30 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of MDC PARTNERS INC
ValueSharesWeighting
Q1 2021$4,000
+100.0%
1,483
+41.8%
0.00%
Q4 2019$2,0000.0%1,046
+21.8%
0.00%
Q3 2019$2,000859
+329.5%
0.00%
Q2 2019$0
-100.0%
200
-99.7%
0.00%
Q4 2018$169,000
+382.9%
64,818
+1665.2%
0.00%
-100.0%
Q4 2017$35,000
-65.0%
3,672
-76.1%
0.00%
-66.7%
Q4 2016$100,000
+900.0%
15,348
+1410.6%
0.01%
+500.0%
Q3 2016$10,0001,0160.00%
Other shareholders
MDC PARTNERS INC shareholders Q4 2016
NameSharesValueWeighting ↓
Lionstone Capital Management LLC 1,189,600$23,435,00010.87%
GRUBER & MCBAINE CAPITAL MANAGEMENT LLC 1,363,135$26,854,0007.28%
Concourse Capital Management, LLC 560,085$11,034,0005.45%
GOLDMAN CAPITAL MANAGEMENT INC 354,561$6,985,0004.36%
BROADVIEW ADVISORS LLC 1,728,870$34,059,0003.59%
FALCON POINT CAPITAL, LLC 462,848$9,118,0003.08%
Nokomis Capital, L.L.C. 552,921$10,893,0003.00%
CARDINAL CAPITAL MANAGEMENT LLC /CT 2,581,984$50,865,0002.70%
Roystone Capital Management LP 3,510,300$69,152,0002.38%
BOW STREET LLC 188,589$3,715,0001.79%
View complete list of MDC PARTNERS INC shareholders