WG
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Wellington Group’s Costco COST Stock Holding History

Wellington Group’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$427K Sell
456
-69
-13% -$68.7K 0.11% 119
2026
Q1 		$523K Sell
525
-204
-28% -$199K 0.16% 100
2025
Q4 		$629K Buy
+729
New +$661K 0.21% 59

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Wellington Group's COST Position: Q2 2026 in Review

Wellington Group reduced its Costco (COST) stake by 13% in Q2 2026, selling an estimated $68.7K and leaving 456 shares worth $427K. The position accounts for 0.11% of the portfolio, ranked #119.

Wellington Group first reported a position in COST in Q4 2025 and has held it in 3 quarters since. The position peaked at $629K in Q4 2025. 4,233 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Wellington Group held 456 shares of Costco worth $427K as of Q2 2026.
  • Wellington Group sold 69 Costco shares in Q2 2026, an estimated $68.7K.
  • Costco made up 0.11% of Wellington Group's portfolio in Q2 2026, its #119 holding.
  • Wellington Group first reported a position in Costco in Q4 2025 and has held it in 3 quarters since.
  • Wellington Group's Costco position peaked at $629K in Q4 2025.
  • 4,233 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Wellington Group's 13F filing for Q2 2026, filed 14 Aug 2026.