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ZIOPHARM ONCOLOGY INC
ZIOPHARM ONCOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 3 Institutional holders with a total value of $7,598,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 744,500 6,708,000 88.29% Call
2 CITADEL ADVISORS LLC 80,400 724,000 9.53% Call
3 SIMPLEX TRADING, LLC 903 166,000 2.18% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.