GROUP ONE TRADING, L.P. - MERGE HEALTHCARE INC CMN STOCK ownership

MERGE HEALTHCARE INC CMN STOCK's ticker is and the CUSIP is 589499952. A total of 1 filers reported holding MERGE HEALTHCARE INC CMN STOCK in Q4 2013. 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 MERGE HEALTHCARE INC CMN STOCK
ValueSharesWeighting
Q3 2013$2,0009000.00%
Other shareholders
MERGE HEALTHCARE INC CMN STOCK shareholders Q4 2013
NameSharesValueWeighting ↓
Citadel Advisors 1,000$2,0000.00%
View complete list of MERGE HEALTHCARE INC CMN STOCK shareholders