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RIO TINTO PLC
RIO TINTO PLC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 5 Institutional holders with a total value of $29,086,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Pentwater Capital Management LP 300,000 12,420,000 42.70% Call
2 Achievement Holdings L.P. 150,000 6,210,000 21.35%
3 GROUP ONE TRADING LLC 130,400 5,399,000 18.56% Call
4 Timber Hill LLC 122,100 5,055,000 17.38% Call
5 SIMPLEX TRADING, LLC 97 2,000 0.01% 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.