Cornerstone Select Advisors, LLC

SEC CIK: 0002055366
Latest filing: Aug 5, 2026

SEC filings (opens in a new tab)

SUM holding history

Summit Materials, Inc. in every 13F filed by Cornerstone Select Advisors, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q1 2025): 0; Sold out in Q1 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 1; Since Q4 2024

Holdings of SUM by Cornerstone Select Advisors, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2025	0	$0	0.0%	−4,675−100.0%	Sold out	Holders
Q4 2024	4,675	$236.6K	0.2%	–	No prior filing	Holders