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COSTCOST

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Position history for PARNASSUS INVESTMENTS, LLCPARNASSUS INVESTMENTS, LLC's holdings in COSTCO WHOLESALE CORPORATION

Yes. Parnassus Investments holds 559,687 shares of COST (Costco Wholesale), worth $509.5M, as of its Q3 2026 13F filing. It reduced the position by 65,363 shares (-10.5%) from Q2 2026. Parnassus Investments has held COST since Q2 2019, across 30 quarterly 13F filings. COST is 1.5% of Parnassus Investments' reported 13F portfolio.

Current Value

$509.5M

Current Shares

559,687

Total Value Change

-$166.2M

Total Shares Change

-202,512

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q3
Latest
Decreased
559,687
-10.5%
$509.5M1.5%$910.34
0
2026-Q2
Decreased
625,050
-7.5%
$584.7M1.6%$933.99
0
2026-Q1
Increased
675,504
+2.0%
$673.1M2.0%$993.41
51
2025-Q4
Increased
662,447
+57.6%
$571.3M1.5%$858.55
71
2025-Q3
Decreased
420,438
-3.2%
$389.2M0.9%$920.26
0
2025-Q2
Decreased
434,151
-14.4%
$429.8M1.0%$982.84
0
2025-Q1
Decreased
507,363
-28.6%
$479.9M1.2%$937.77
0
2024-Q4
Decreased
710,831
-6.7%
$651.3M1.4%$907.51
0
2024-Q3
Decreased
762,199
-0.1%
$675.7M1.4%$876.88
0

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