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

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $782,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 92,500 652,000 83.38% Put
2 Timber Hill LLC 15,900 112,000 14.32% Put
3 GROUP ONE TRADING LLC 1,500 11,000 1.41% Put
4 SIMPLEX TRADING, LLC 29 7,000 0.90% 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.