GROUP ONE TRADING, L.P. - CORNERSTONE THERAPEUTICS INC ownership

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CORNERSTONE THERAPEUTICS INC's ticker is and the CUSIP is 21924P903. A total of 1 filers reported holding CORNERSTONE THERAPEUTICS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CORNERSTONE THERAPEUTICS INC
ValueSharesWeighting
Q4 2013$808,000
-30.1%
85,100
-30.7%
0.01%
-45.5%
Q3 2013$1,156,000
-35.8%
122,800
-45.4%
0.02%
-50.0%
Q2 2013$1,800,000–225,000–0.04%–
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Other shareholders
CORNERSTONE THERAPEUTICS INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 85,100$808,0000.01%
View complete list of CORNERSTONE THERAPEUTICS INC shareholders