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COST
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Position history for BLAIR WILLIAM & CO/IL's holdings in COSTCO WHOLESALE CORPORATION

BLAIR WILLIAM & CO/IL holds 521,277 shares of COST (COSTCO WHOLESALE CORPORATION), worth $519.4M as of 2026-Q1. The position was increased (+0.0% shares). COST represents 1.5% of BLAIR WILLIAM & CO/IL's portfolio.

Current Value

$519.4M

Current Shares

521,277

Total Value Change

+$36.1M

Total Shares Change

-47,376

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
521,277
+0.0%
$519.4M1.5%$1,007.77
49
2025-Q4
Decreased
521,182
-5.5%
$449.4M1.2%$864.47
0
2025-Q3
Decreased
551,558
-0.1%
$510.5M1.4%$914.33
0
2025-Q2
Increased
551,986
+0.6%
$546.4M1.5%$981.05
50
2025-Q1
Decreased
548,899
-6.7%
$519.1M1.6%$924.59
0
2024-Q4
Decreased
588,056
-0.1%
$538.8M1.6%$916.17
0
2024-Q3
Increased
588,458
+3.5%
$521.7M1.5%$878.65
51
2024-Q2
Decreased
568,653
-0.2%
$483.3M1.5%$842.10
0

Other major holders of COST: VANGUARD GROUP INC

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