Custom Index Systems, LLC

SEC CIK: 0002003672
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MUX holding history

McEwen Inc. in every 13F filed by Custom Index Systems, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q1 2025): 0; Sold out in Q1 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q2 2024

Holdings of MUX by Custom Index Systems, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2025	0	$0	0.0%	−27,286−100.0%	Sold out	Holders
Q4 2024	27,286	$212.3K	0.1%	−2,381−8.0%	Reduced	Holders
Q3 2024	29,667	$275.9K	0.1%	−310−1.0%	Reduced	Holders
Q2 2024	29,977	$275.2K	0.2%	+29,977	New	Holders