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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 $978,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 16 0 0.00% Call
2 GROUP ONE TRADING LLC 20,900 218,000 22.29% Call
3 Timber Hill LLC 29,900 312,000 31.90% Call
4 CITADEL ADVISORS LLC 43,000 448,000 45.81% 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.