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CENTURY ALUM CO
CENTURY ALUM CO. Institutional holdings reported to the SEC.

Institutional Holders (2017Q1)
Portfolio Summary: 3 Institutional holders with a total value of $312,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 12,600 160,000 51.28% Call
2 GROUP ONE TRADING LLC 8,900 113,000 36.22% Call
3 SIMPLEX TRADING, LLC 378 39,000 12.50% 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.