Custom Index Systems, LLC

SEC CIK: 0002003672
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

MOS holding history

Mosaic Co 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.

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

Shares (Q2 2026): 12,515
Value: $265.2K
% of portfolio: 0.1%
Quarters held: 3; Since Q4 2025

Holdings of MOS by Custom Index Systems, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	12,515	$265.2K	0.1%	+1,009+8.8%	Added	Holders
Q1 2026	11,506	$293.4K	0.1%	+653+6.0%	Added	Holders
Q4 2025	10,853	$261.4K	0.1%	+10,853	New	Holders