OF
COST icon

Optimize Financial’s Costco COST Stock Holding History

Optimize Financial’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 		$593K Sell
634
-2
-0.3% -$1.99K 0.21% 96
2026
Q1 		$634K Buy
636
+7
+1% +$6.82K 0.31% 53
2025
Q4 		$542K Sell
629
-4
-0.6% -$3.63K 0.27% 104
2025
Q3 		$586K Buy
633
+174
+38% +$167K 0.31% 76
2025
Q2 		$454K Sell
459
-2
-0.4% -$1.99K 0.28% 94
2025
Q1 		$436K Sell
461
-74
-14% -$72.1K 0.16% 99
2024
Q4 		$490K Buy
+535
New +$496K 0.37% 78

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 $3.38T AUM 44.17% 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

Optimize Financial's COST Position: Q2 2026 in Review

Optimize Financial reduced its Costco (COST) stake by 0.31% in Q2 2026, selling an estimated $1.99K and leaving 634 shares worth $593K. The position accounts for 0.21% of the portfolio, ranked #96.

Optimize Financial first reported a position in COST in Q4 2024 and has held it in 7 quarters since. The position peaked at $634K in Q1 2026. 4,260 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Optimize Financial held 634 shares of Costco worth $593K as of Q2 2026.
  • Optimize Financial sold 2 Costco shares in Q2 2026, an estimated $1.99K.
  • Costco made up 0.21% of Optimize Financial's portfolio in Q2 2026, its #96 holding.
  • Optimize Financial first reported a position in Costco in Q4 2024 and has held it in 7 quarters since.
  • Optimize Financial's Costco position peaked at $634K in Q1 2026.
  • 4,260 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Optimize Financial's 13F filing for Q2 2026, filed 27 Aug 2026.