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

Institutional Holders (2015Q1)
Portfolio Summary: 4 Institutional holders with a total value of $9,391,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 155,000 5,520,000 58.78% Put
2 CITADEL ADVISORS LLC 52,900 1,884,000 20.06% Put
3 KGH Ltd 945,500 1,849,000 19.69% Put
4 SIMPLEX TRADING, LLC 160 138,000 1.47% 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.