Lakeside Advisors
COST icon

Lakeside Advisors’s Costco COST Stock Holding History

Lakeside Advisors’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
Q3 		$11.6M Sell
12,718
-157
-1% -$147K 6.76% 3
2026
Q2 		$12M Sell
12,875
-115
-0.9% -$115K 7.58% 3
2026
Q1 		$12.9M Sell
12,990
-217
-2% -$211K 8.64% 3
2025
Q4 		$11.4M Sell
13,207
-290
-2% -$263K 7.28% 3
2025
Q3 		$12.5M Sell
13,497
-27
-0.2% -$25.9K 7.9% 3
2025
Q2 		$13.4M Sell
13,524
-835
-6% -$830K 8.63% 3
2025
Q1 		$13.6M Sell
14,359
-500
-3% -$487K 8.99% 3
2024
Q4 		$13.6M Buy
14,859
+130
+0.9% +$121K 9.01% 3
2024
Q3 		$13.1M Sell
14,729
-296
-2% -$257K 8.21% 3
2024
Q2 		$12.8M Sell
15,025
-136
-0.9% -$106K 8.29% 2
2024
Q1 		$11.1M Sell
15,161
-2,449
-14% -$1.75M 7.11% 3
2023
Q4 		$11.6M Sell
17,610
-111
-0.6% -$65.8K 8.07% 2
2023
Q3 		$10M Sell
17,721
-166
-0.9% -$91.6K 7.69% 3
2023
Q2 		$9.6M Sell
17,887
-504
-3% -$255K 7.1% 3
2023
Q1 		$9.14M Sell
18,391
-1,115
-6% -$547K 7.06% 3
2022
Q4 		$8.9M Sell
19,506
-12
-0.1% -$5.86K 7.3% 3
2022
Q3 		$9.22M Buy
19,518
+1
+0% +$520 8.25% 2
2022
Q2 		$9.35M Sell
19,517
-9
-0% -$4.57K 7.95% 2
2022
Q1 		$11.2M Sell
19,526
-7
-0% -$3.67K 8.49% 2
2021
Q4 		$11.1M Buy
+19,533
New +$10M 8.18% 2

Other funds holding COST

State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return

Lakeside Advisors's COST Position: Q3 2026 in Review

Lakeside Advisors reduced its Costco (COST) stake by 1.2% in Q3 2026, selling an estimated $147K and leaving 12,718 shares worth $11.6M. The position accounts for 6.76% of the portfolio, ranked #3.

Lakeside Advisors first reported a position in COST in Q4 2021 and has held it in 20 quarters since. The position peaked at $13.6M in Q4 2024. 3,368 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Lakeside Advisors held 12,718 shares of Costco worth $11.6M as of Q3 2026.
  • Lakeside Advisors sold 157 Costco shares in Q3 2026, an estimated $147K.
  • Costco made up 6.76% of Lakeside Advisors's portfolio in Q3 2026, its #3 holding.
  • Lakeside Advisors first reported a position in Costco in Q4 2021 and has held it in 20 quarters since.
  • Lakeside Advisors's Costco position peaked at $13.6M in Q4 2024.
  • 3,368 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Lakeside Advisors's 13F filing for Q3 2026, filed 20 Oct 2026.