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U S SILICA HLDGS INC
U S SILICA HLDGS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 2 Institutional holders with a total value of $3,748,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 54,700 2,088,000 55.71% Call
2 CITADEL ADVISORS LLC 43,500 1,660,000 44.29% 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.