PEAK6 LLC

SEC CIK: 0001389958
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

RIO holding history

Rio Tinto PLC in every 13F filed by PEAK6 LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

RIO overview All 13F holders of RIO Full Q2 2026 holdings

Shares (Q3 2025): 0; Sold out in Q3 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q4 2024

Holdings of RIO by PEAK6 LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2025	0	$0	0.0%	−18,210−100.0%	Sold out	Holders
Q2 2025	18,210	$1.06M	<0.1%	+11,461+169.8%	Added	Holders
Q1 2025	6,749	$405.5K	<0.1%	+2,879+74.4%	Added	Holders
Q4 2024	3,870	$227.6K	<0.1%	–	No prior filing	Holders