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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $3,515,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 234,900 2,450,000 69.70% Put
2 Timber Hill LLC 73,000 761,000 21.65% Put
3 GROUP ONE TRADING LLC 28,500 297,000 8.45% Put
4 SIMPLEX TRADING, LLC 22 7,000 0.20% 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.