SIGMA CAPITAL MANAGEMENT LLC - COMMONWEALTH REIT ownership

COMMONWEALTH REIT's ticker is and the CUSIP is 203233901. A total of 5 filers reported holding COMMONWEALTH REIT in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SIGMA CAPITAL MANAGEMENT LLC ownership history of COMMONWEALTH REIT
ValueSharesWeighting
Q2 2013$2,312,000100,0000.11%
Other shareholders
COMMONWEALTH REIT shareholders Q2 2013
NameSharesValueWeighting ↓
CR Intrinsic Investors, LLC 412,100$9,528,0000.33%
GROUP ONE TRADING, L.P. 218,000$5,040,0000.12%
SIGMA CAPITAL MANAGEMENT LLC 100,000$2,312,0000.11%
Timber Hill LLC 44,300$1,024,0000.00%
Citadel Advisors 15,700$363,0000.00%
View complete list of COMMONWEALTH REIT shareholders