Washington Trust Advisors’s Costco COST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.14M Buy
1,218
+396
+48% +$395K 0.08% 109
2026
Q1
$819K Sell
822
-96
-10% -$93.6K 0.07% 124
2025
Q4
$792K Buy
918
+110
+14% +$99.7K 0.06% 121
2025
Q3
$748K Buy
808
+50
+7% +$47.9K 0.06% 128
2025
Q2
$750K Hold
758
0.06% 112
2025
Q1
$717K Hold
758
0.06% 112
2024
Q4
$695K Buy
758
+20
+3% +$18.6K 0.06% 115
2024
Q3
$654K Sell
738
-51
-6% -$44.3K 0.06% 116
2024
Q2
$671K Buy
789
+47
+6% +$36.7K 0.06% 111
2024
Q1
$544K Sell
742
-9
-1% -$6.42K 0.05% 118
2023
Q4
$496K Sell
751
-314
-29% -$186K 0.05% 127
2023
Q3
$601K Sell
1,065
-16
-1% -$8.83K 0.06% 115
2023
Q2
$582K Sell
1,081
-46
-4% -$23.3K 0.06% 116
2023
Q1
$560K Buy
1,127
+13
+1% +$6.38K 0.06% 118
2022
Q4
$509K Sell
1,114
-344
-24% -$168K 0.06% 122
2022
Q3
$688K Buy
1,458
+253
+21% +$132K 0.06% 118
2022
Q2
$578K Buy
1,205
+247
+26% +$125K 0.05% 128
2022
Q1
$551K Sell
958
-952
-50% -$500K 0.04% 143
2021
Q4
$1.08M Buy
+1,910
New +$978K 0.07% 111

Other funds holding COST

Washington Trust Advisors's COST Position: Q2 2026 in Review

Washington Trust Advisors increased its Costco (COST) stake by 48% in Q2 2026, buying an estimated $395K and bringing the position to 1,218 shares worth $1.14M. The position accounts for 0.08% of the portfolio, ranked #109.

Washington Trust Advisors first reported a position in COST in Q4 2021 and has held it in 19 quarters since. 2,069 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Washington Trust Advisors held 1,218 shares of Costco worth $1.14M as of Q2 2026.
  • Washington Trust Advisors bought 396 Costco shares in Q2 2026, an estimated $395K.
  • Costco made up 0.08% of Washington Trust Advisors's portfolio in Q2 2026, its #109 holding.
  • Washington Trust Advisors first reported a position in Costco in Q4 2021 and has held it in 19 quarters since.
  • 2,069 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Washington Trust Advisors's 13F filing for Q2 2026, filed 29 Jul 2026.