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SINA CORP
SINA CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 5 Institutional holders with a total value of $50,115,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 847,400 41,861,000 83.53% Put
2 GROUP ONE TRADING LLC 117,800 5,819,000 11.61% Put
3 Timber Hill LLC 42,700 2,109,000 4.21% Put
4 Virtu KCG Holdings LLC 4,300 212,000 0.42% Put
5 SIMPLEX TRADING, LLC 623 114,000 0.23% 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.