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CLIFFS NAT RES INC
CLIFFS NAT RES INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $9,025,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 2,203,200 6,610,000 73.24% Call
2 Timber Hill LLC 509,600 1,529,000 16.94% Call
3 CITADEL ADVISORS LLC 267,400 802,000 8.89% Call
4 SIMPLEX TRADING, LLC 2,571 84,000 0.93% 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.