LBWM
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Left Brain Wealth Management’s Costco COST Stock Holding History

Left Brain Wealth 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 		$5.22M Buy
5,579
+10
+0.2% +$9.96K 1.57% 25
2026
Q1 		$5.55M Buy
5,569
+99
+2% +$96.5K 2.18% 18
2025
Q4 		$4.72M Buy
5,470
+34
+0.6% +$30.8K 1.63% 23
2025
Q3 		$5.03M Buy
5,436
+34
+0.6% +$32.6K 1.58% 23
2025
Q2 		$5.35M Buy
5,402
+161
+3% +$160K 1.88% 21
2025
Q1 		$4.96M Sell
5,241
-55
-1% -$53.6K 2.16% 16
2024
Q4 		$4.85M Sell
5,296
-4
-0.1% -$3.71K 1.83% 18
2024
Q3 		$4.7M Buy
5,300
+38
+0.7% +$33K 2.19% 13
2024
Q2 		$4.47M Buy
5,262
+27
+0.5% +$21.1K 2.09% 14
2024
Q1 		$3.84M Sell
5,235
-21
-0.4% -$15K 1.86% 22
2023
Q4 		$3.47M Buy
5,256
+2
+0% +$1.19K 2.01% 19
2023
Q3 		$2.97M Sell
5,254
-147
-3% -$81.1K 1.85% 19
2023
Q2 		$2.91M Sell
5,401
-280
-5% -$142K 1.77% 20
2023
Q1 		$2.86M Sell
5,681
-101
-2% -$49.5K 1.94% 16
2022
Q4 		$2.64M Buy
+5,782
New +$2.83M 1.98% 20

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

Left Brain Wealth Management's COST Position: Q2 2026 in Review

Left Brain Wealth Management increased its Costco (COST) stake by 0.18% in Q2 2026, buying an estimated $9.96K and bringing the position to 5,579 shares worth $5.22M. The position accounts for 1.57% of the portfolio, ranked #25.

Left Brain Wealth Management first reported a position in COST in Q4 2022 and has held it in 15 quarters since. The position peaked at $5.55M in Q1 2026. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Left Brain Wealth Management held 5,579 shares of Costco worth $5.22M as of Q2 2026.
  • Left Brain Wealth Management bought 10 Costco shares in Q2 2026, an estimated $9.96K.
  • Costco made up 1.57% of Left Brain Wealth Management's portfolio in Q2 2026, its #25 holding.
  • Left Brain Wealth Management first reported a position in Costco in Q4 2022 and has held it in 15 quarters since.
  • Left Brain Wealth Management's Costco position peaked at $5.55M in Q1 2026.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Left Brain Wealth Management's 13F filing for Q2 2026, filed 30 Jul 2026.