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

Institutional Holders (2014Q1)
Portfolio Summary: 3 Institutional holders with a total value of $23,896,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 357,300 20,223,000 84.63% Put
2 Timber Hill LLC 47,300 2,677,000 11.20% Put
3 GROUP ONE TRADING LLC 17,600 996,000 4.17% 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.