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

Institutional Holders (2014Q2)
Portfolio Summary: 4 Institutional holders with a total value of $3,541,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 33,700 1,868,000 52.75% Put
2 BLAIR WILLIAM & CO/IL 14,300 792,000 22.37% Put
3 GROUP ONE TRADING LLC 12,000 665,000 18.78% Put
4 Virtu KCG Holdings LLC 3,900 216,000 6.10% 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.