SABBY MANAGEMENT, LLC - ZIOPHARM ONCOLOGY INC ownership

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ZIOPHARM ONCOLOGY INC's ticker is and the CUSIP is 98973P901. A total of 3 filers reported holding ZIOPHARM ONCOLOGY INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of ZIOPHARM ONCOLOGY INC
ValueSharesWeighting
Q2 2014$269,000
-14.9%
668
-3.2%
0.01%
-33.3%
Q1 2014$316,000
-71.7%
690
-73.2%
0.02%
-74.6%
Q4 2013$1,118,000
+15.0%
2,577
+4.7%
0.07%
+12.7%
Q3 2013$972,000
+41.3%
2,462
-24.8%
0.06%
+37.0%
Q2 2013$688,000–3,276–0.05%–
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Other shareholders
ZIOPHARM ONCOLOGY INC shareholders Q2 2013
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 2,462$972,0000.06%
GROUP ONE TRADING, L.P. 458,800$1,812,0000.04%
Citadel Advisors 26,600$105,0000.00%
View complete list of ZIOPHARM ONCOLOGY INC shareholders