Washington Trust Co

SEC CIK: 0001079736
Latest filing: Aug 3, 2026

SEC filings (opens in a new tab)

COST holding history

Costco Wholesale Corp in every 13F filed by Washington 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): 27,092
Value: $25.3M
% of portfolio: 0.8%
Quarters held: 22; Since Q1 2021

Holdings of COST by Washington Trust Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	27,092	$25.3M	0.8%	−478−1.7%	Reduced	Holders
Q1 2026	27,570	$27.5M	0.9%	−325−1.2%	Reduced	Holders
Q4 2025	27,895	$24.1M	0.8%	−576−2.0%	Reduced	Holders
Q3 2025	28,471	$26.4M	0.9%	+191+0.7%	Added	Holders
Q2 2025	28,280	$28.0M	1.0%	−325−1.1%	Reduced	Holders
Q1 2025	28,605	$27.1M	1.0%	−1,518−5.0%	Reduced	Holders
Q4 2024	30,123	$27.6M	1.0%	−806−2.6%	Reduced	Holders
Q3 2024	30,929	$27.4M	1.0%	−662−2.1%	Reduced	Holders
Q2 2024	31,591	$26.9M	1.0%	−1,189−3.6%	Reduced	Holders
Q1 2024	32,780	$24.0M	0.9%	−331−1.0%	Reduced	Holders
Q4 2023	33,111	$21.9M	0.9%	−444−1.3%	Reduced	Holders
Q3 2023	33,555	$19.0M	0.8%	−34−0.1%	Reduced	Holders
Q2 2023	33,589	$18.1M	0.8%	−218−0.6%	Reduced	Holders
Q1 2023	33,807	$16.8M	0.8%	−376−1.1%	Reduced	Holders
Q4 2022	34,183	$15.6M	0.7%	−2,186−6.0%	Reduced	Holders
Q3 2022	36,369	$17.2M	0.9%	−320−0.9%	Reduced	Holders
Q2 2022	36,689	$17.6M	0.8%	−339−0.9%	Reduced	Holders
Q1 2022	37,028	$21.3M	0.8%	+835+2.3%	Added	Holders
Q4 2021	36,193	$20.5M	0.8%	−2,049−5.4%	Reduced	Holders
Q3 2021	38,242	$17.2M	0.5%	+662+1.8%	Added	Holders
Q2 2021	37,580	$14.9M	0.4%	−95−0.3%	Reduced	Holders
Q1 2021	37,675	$13.3M	0.4%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.