Ruffer LLP

SEC CIK: 0001426859
Latest filing: Jul 30, 2026

SEC filings (opens in a new tab)

CENX holding history

Century Aluminum Co in every 13F filed by Ruffer LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 49,494
Value: $2.27M
% of portfolio: 0.1%
Quarters held: 3; Since Q4 2025

Holdings of CENX by Ruffer LLP, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	49,494	$2.27M	0.1%	−356−0.7%	Reduced	Holders
Q1 2026	49,850	$2.93M	0.1%	+25,999+109.0%	Added	Holders
Q4 2025	23,851	$935.9K	<0.1%	+23,851	New	Holders