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

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $5,473,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 109,000 2,476,000 45.24% Call
2 CITADEL ADVISORS LLC 89,400 2,031,000 37.11% Call
3 Timber Hill LLC 40,800 927,000 16.94% Call
4 SIMPLEX TRADING, LLC 162 39,000 0.71% 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.