GreatBanc Trust CO

SEC CIK: 0001427099
Latest filing: Jul 29, 2026

SEC filings (opens in a new tab)

COST holding history

Costco Wholesale Corp in every 13F filed by GreatBanc Trust CO, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 318
Value: $297.5K
% of portfolio: 0.2%
Quarters held: 4; Since Q3 2025

Holdings of COST by GreatBanc Trust CO, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	318	$297.5K	0.2%	−300−48.5%	Reduced	Holders
Q1 2026	618	$615.8K	0.4%	−6−1.0%	Reduced	Holders
Q4 2025	624	$538.1K	0.4%	−8−1.3%	Reduced	Holders
Q3 2025	632	$585.0K	0.4%	–	No prior filing	Holders