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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Left Brain Wealth Management's COST Position: Q1 2026 in Review

Left Brain Wealth Management increased its Costco (COST) stake by 1.8% in Q1 2026, buying an estimated $96.5K and bringing the position to 5,569 shares worth $5.55M. The position accounts for 2.18% of the portfolio, ranked #18.

Left Brain Wealth Management first reported a position in COST in Q4 2022 and has held it in 14 quarters since. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Left Brain Wealth Management held 5,569 shares of Costco worth $5.55M as of Q1 2026.
  • Left Brain Wealth Management bought 99 Costco shares in Q1 2026, an estimated $96.5K.
  • Costco made up 2.18% of Left Brain Wealth Management's portfolio in Q1 2026, its #18 holding.
  • Left Brain Wealth Management first reported a position in Costco in Q4 2022 and has held it in 14 quarters since.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Left Brain Wealth Management's 13F filing for Q1 2026, filed 30 Apr 2026.