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

Institutional Holders (2015Q3)
Portfolio Summary: 4 Institutional holders with a total value of $631,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 83,000 382,000 60.54% Put
2 GROUP ONE TRADING LLC 29,500 136,000 21.55% Put
3 Timber Hill LLC 12,900 59,000 9.35% Put
4 SIMPLEX TRADING, LLC 41 54,000 8.56% 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.