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Cornerstone Financial Management’s Costco COST Stock Holding History

Cornerstone Financial 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 		$142K Buy
152
+21
+16% +$20.9K 0.11% 100
2026
Q1 		$131K Buy
131
+11
+9% +$10.7K 0.12% 98
2025
Q4 		$103K Buy
+120
New +$109K 0.1% 103

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

Cornerstone Financial Management's COST Position: Q2 2026 in Review

Cornerstone Financial Management increased its Costco (COST) stake by 16% in Q2 2026, buying an estimated $20.9K and bringing the position to 152 shares worth $142K. The position accounts for 0.11% of the portfolio, ranked #100.

Cornerstone Financial Management first reported a position in COST in Q4 2025 and has held it in 3 quarters since. 4,224 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Cornerstone Financial Management held 152 shares of Costco worth $142K as of Q2 2026.
  • Cornerstone Financial Management bought 21 Costco shares in Q2 2026, an estimated $20.9K.
  • Costco made up 0.11% of Cornerstone Financial Management's portfolio in Q2 2026, its #100 holding.
  • Cornerstone Financial Management first reported a position in Costco in Q4 2025 and has held it in 3 quarters since.
  • 4,224 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Cornerstone Financial Management's 13F filing for Q2 2026, filed 12 Aug 2026.