GROUP ONE TRADING, L.P. - QUESTCOR PHARMACEUTICALS INC ownership

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QUESTCOR PHARMACEUTICALS INC's ticker is QCOR and the CUSIP is 74835Y101. A total of 288 filers reported holding QUESTCOR PHARMACEUTICALS INC in Q3 2013. The put-call ratio across all filers is 2.38 and the average weighting 0.3%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of QUESTCOR PHARMACEUTICALS INC
ValueSharesWeighting
Q2 2014$1,946,000
-67.7%
21,038
-81.0%
0.03%
-67.0%
Q4 2013$6,028,000
+313.4%
110,711
+340.4%
0.09%
+225.0%
Q3 2013$1,458,000–25,141–0.03%–
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Other shareholders

There were no reported owners of QUESTCOR PHARMACEUTICALS INC in Q3 2013.

NameSharesValueWeighting ↓
View complete list of QUESTCOR PHARMACEUTICALS INC shareholders