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

Institutional Holders (2016Q3)
Portfolio Summary: 3 Institutional holders with a total value of $620,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 425 59,000 9.52% Call
2 Timber Hill LLC 18,800 131,000 21.13% Call
3 GROUP ONE TRADING LLC 61,800 430,000 69.35% 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.