PEAK6 LLC

SEC CIK: 0001389958
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

CLF holding history

Cleveland-Cliffs Inc. 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.

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

Shares (Q1 2026): 0; Sold out in Q1 2026
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q4 2024

Holdings of CLF by PEAK6 LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2026	0	$0	0.0%	−48,652−100.0%	Sold out	Holders
Q4 2025	48,652	$646.1K	<0.1%	+48,652	New	Holders
Q1 2025	0	$0	0.0%	−112,804−100.0%	Sold out	Holders
Q4 2024	112,804	$1.06M	<0.1%	–	No prior filing	Holders