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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: 5 Institutional holders with a total value of $19,197,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 140 115,000 0.60% Put
2 KGH Ltd 963,400 1,789,000 9.32% Put
3 CITADEL ADVISORS LLC 135,900 3,990,000 20.78% Put
4 Hudson Bay Capital Management LP 175,000 5,138,000 26.76% Put
5 GROUP ONE TRADING LLC 278,100 8,165,000 42.53% 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.