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

Institutional Holders (2015Q4)
Portfolio Summary: 3 Institutional holders with a total value of $6,390,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 581,100 4,829,000 75.57% Put
2 CITADEL ADVISORS LLC 179,200 1,489,000 23.30% Put
3 SIMPLEX TRADING, LLC 357 72,000 1.13% Put

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.