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CARBO CERAMICS INC
CARBO CERAMICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 4 Institutional holders with a total value of $13,379,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 89,400 5,295,000 39.58% Put
2 CITADEL ADVISORS LLC 62,000 3,672,000 27.45% Put
3 PEAK6 Group LLC 59,500 3,524,000 26.34% Put
4 Timber Hill LLC 15,000 888,000 6.64% 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.