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

Institutional Holders (2015Q2)
Portfolio Summary: 3 Institutional holders with a total value of $11,183,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 250,000 7,340,000 65.64% Call
2 CITADEL ADVISORS LLC 128,000 3,758,000 33.60% Call
3 SIMPLEX TRADING, LLC 443 85,000 0.76% 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.