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CBOE HLDGS INC
CBOE HLDGS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 5 Institutional holders with a total value of $29,509,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 412,100 26,135,000 88.57% Put
2 Timber Hill LLC 41,100 2,607,000 8.83% Put
3 GROUP ONE TRADING LLC 12,000 761,000 2.58% Put
4 SIMPLEX TRADING, LLC 63 5,000 0.02% Put
5 BANC FUNDS CO LLC 100 1,000 0.00% 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.