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AK STL HLDG CORP
AK STL HLDG CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 4 Institutional holders with a total value of $54,814,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 4,413,800 45,065,000 82.21% Call
2 Timber Hill LLC 857,700 8,757,000 15.98% Call
3 SIMPLEX TRADING, LLC 3,945 978,000 1.78% Call
4 ADVENT CAPITAL MANAGEMENT /DE/ 1,900 14,000 0.03% 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.