SABBY MANAGEMENT, LLC - CUBIST PHARMACEUTICALS INC ownership

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CUBIST PHARMACEUTICALS INC's ticker is and the CUSIP is 229678907. A total of 4 filers reported holding CUBIST PHARMACEUTICALS INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

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Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of CUBIST PHARMACEUTICALS INC
ValueSharesWeighting
Q4 2014$8,787,000
+239.1%
873
-34.3%
0.28%
+68.5%
Q4 2013$2,591,000
-81.5%
1,329
-39.5%
0.16%
-81.8%
Q3 2013$13,968,000
+126.5%
2,198
+72.1%
0.91%
+120.4%
Q2 2013$6,168,000–1,277–0.41%–
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Other shareholders
CUBIST PHARMACEUTICALS INC shareholders Q2 2013
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 1,277$6,168,0000.41%
GROUP ONE TRADING, L.P. 3,900$188,0000.01%
Timber Hill LLC 26,500$1,280,0000.01%
Citadel Advisors 22,600$1,092,0000.00%
View complete list of CUBIST PHARMACEUTICALS INC shareholders