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XENOPORT INC
XENOPORT INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 3 Institutional holders with a total value of $99,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 14,600 51,000 51.52% Call
2 CITADEL ADVISORS LLC 13,600 47,000 47.47% Call
3 SIMPLEX TRADING, LLC 136 1,000 1.01% 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.