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

Institutional Holders (2014Q1)
Portfolio Summary: 3 Institutional holders with a total value of $6,017,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 20,600 2,843,000 47.25% Put
2 CITADEL ADVISORS LLC 20,400 2,815,000 46.78% Put
3 Timber Hill LLC 2,600 359,000 5.97% 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.