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

Institutional Holders (2015Q3)
Portfolio Summary: 6 Institutional holders with a total value of $20,185,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 202,700 6,855,000 33.96% Call
2 GROUP ONE TRADING LLC 192,500 6,510,000 32.25% Call
3 JPMORGAN CHASE & CO 101,000 3,416,000 16.92% Call
4 Achievement Holdings L.P. 100,000 3,382,000 16.76%
5 SG Americas Securities, LLC 201,700 14,000 0.07%
6 SIMPLEX TRADING, LLC 131 8,000 0.04% 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.