Dark
Light
System
Security
AK STL HLDG CORP
AK STL HLDG CORP. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $5,333,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 790,400 3,264,000 61.20% Call
2 Timber Hill LLC 444,000 1,834,000 34.39% Call
3 SIMPLEX TRADING, LLC 2,033 159,000 2.98% Call
4 SG Americas Securities, LLC 100,000 76,000 1.43% 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.