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Capstone Capital Management’s Costco COST Stock Holding History

Capstone Capital Management’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 		$766K Buy
+819
New +$816K 0.34% 100
2026
Q1 		– Sell
-885
Closed -$763K – 63
2025
Q4 		$763K Buy
+885
New +$802K 0.73% 48

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

Capstone Capital Management's COST Position: Q2 2026 in Review

Capstone Capital Management opened a new position in Costco (COST) in Q2 2026: 819 shares worth $766K. The stake represents 0.34% of the portfolio and ranks #100 among its holdings. This is a return to the name: Capstone Capital Management previously reported a position in COST as recently as Q4 2025.

Capstone Capital Management first reported a position in COST in Q4 2025 and has held it in 2 quarters since. 4,230 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Capstone Capital Management held 819 shares of Costco worth $766K as of Q2 2026.
  • Costco was a new Capstone Capital Management position in Q2 2026.
  • Costco made up 0.34% of Capstone Capital Management's portfolio in Q2 2026, its #100 holding.
  • Capstone Capital Management first reported a position in Costco in Q4 2025 and has held it in 2 quarters since.
  • 4,230 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Capstone Capital Management's 13F filing for Q2 2026, filed 20 Jul 2026.