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Westerkirk Capital’s Costco COST Stock Holding History

Westerkirk Capital’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 		$5.5M Hold
5,882
– – 0.53% 41
2026
Q1 		$5.86M Sell
5,882
-176
-3% -$172K 0.63% 37
2025
Q4 		$5.22M Buy
6,058
+1,080
+22% +$979K 0.51% 44
2025
Q3 		$4.61M Sell
4,978
-1,219
-20% -$1.17M 0.53% 40
2025
Q2 		$6.13M Buy
+6,197
New +$6.16M 0.76% 27

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

Westerkirk Capital's COST Position: Q2 2026 in Review

Westerkirk Capital held its Costco (COST) position steady in Q2 2026 at 5,882 shares worth $5.5M. The position accounts for 0.53% of the portfolio, ranked #41.

Westerkirk Capital first reported a position in COST in Q2 2025 and has held it in 5 quarters since. The position peaked at $6.13M in Q2 2025. 4,252 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Westerkirk Capital held 5,882 shares of Costco worth $5.5M as of Q2 2026.
  • Westerkirk Capital left its Costco share count unchanged in Q2 2026.
  • Costco made up 0.53% of Westerkirk Capital's portfolio in Q2 2026, its #41 holding.
  • Westerkirk Capital first reported a position in Costco in Q2 2025 and has held it in 5 quarters since.
  • Westerkirk Capital's Costco position peaked at $6.13M in Q2 2025.
  • 4,252 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Westerkirk Capital's 13F filing for Q2 2026, filed 10 Aug 2026.