Emerald Advisors
COST icon

Emerald Advisors’s Costco COST Stock Holding History

Emerald 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 		$561M Sell
616,325
-6,203
-1% -$5.79M 71.82% 1
2026
Q2 		$582M Hold
622,528
– – 73.18% 1
2026
Q1 		$620M Sell
622,528
-17,234
-3% -$16.8M 76.81% 1
2025
Q4 		$552M Buy
639,762
+16,198
+3% +$14.7M 75.07% 1
2025
Q3 		$577M Sell
623,564
-5,406
-0.9% -$5.18M 76.59% 1
2025
Q2 		$623M Sell
628,970
-18,553
-3% -$18.4M 79.82% 1
2025
Q1 		$612M Buy
647,523
+4,013
+0.6% +$3.91M 81.39% 1
2024
Q4 		$590M Buy
643,510
+16,559
+3% +$15.4M 81.26% 1
2024
Q3 		$558M Sell
626,951
-5,512
-0.9% -$4.78M 80.72% 1
2024
Q2 		$538M Buy
632,463
+29,113
+5% +$22.7M 81.63% 1
2024
Q1 		$442M Sell
603,350
-30,317
-5% -$21.6M 78.67% 1
2023
Q4 		$418M Buy
633,667
+36,246
+6% +$21.5M 79.68% 1
2023
Q3 		$338M Buy
597,421
+2,645
+0.4% +$1.46M 78.31% 1
2023
Q2 		$320M Sell
594,776
-10,507
-2% -$5.32M 76.92% 1
2023
Q1 		$301M Sell
605,283
-13,270
-2% -$6.51M 77.54% 1
2022
Q4 		$282M Buy
618,553
+50,327
+9% +$24.6M 78.21% 1
2022
Q3 		$268M Sell
568,226
-147
-0% -$76.5K 77.91% 1
2022
Q2 		$272M Buy
568,373
+215
+0% +$109K 76.11% 1
2022
Q1 		$327M Buy
568,158
+9,539
+2% +$5.01M 76.85% 1
2021
Q4 		$317M Buy
558,619
+21,448
+4% +$11M 76.48% 1
2021
Q3 		$241M Sell
537,171
-11,971
-2% -$5.26M 68.86% 1
2021
Q2 		$217M Buy
549,142
+4,294
+0.8% +$1.62M 67.86% 1
2021
Q1 		$192M Sell
544,848
-5,952
-1% -$2.07M 69.51% 1
2020
Q4 		$208M Buy
550,800
+46,819
+9% +$17.5M 71.47% 1
2020
Q3 		$179M Buy
503,981
+268
+0.1% +$90.1K 68.47% 1
2020
Q2 		$153M Sell
503,713
-907
-0.2% -$276K 67.4% 1
2020
Q1 		$154M Buy
504,620
+327,647
+185% +$99.4M 69.78% 1
2019
Q4 		$54.8M Buy
+176,973
New +$52.6M 52.17% 1

Other funds holding COST

Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
TD Waterhouse Canada
TD Waterhouse Canada Toronto, Ontario, Canada $38.4B AUM 30.28% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return
Sarasin & Partners
Sarasin & Partners London, United Kingdom $8.93B AUM 11.81% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return
Fjarde Ap-fonden
Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return
Steginsky Capital
Steginsky Capital Port Washington, New York $610M AUM 12.34% 1-Year Est. Return
MN Services Vermogensbeheer
MN Services Vermogensbeheer The Hague, Netherlands $13.4B AUM 37.34% 1-Year Est. Return
Czech National Bank
Czech National Bank Prague, Czech Republic $18.9B AUM 36.24% 1-Year Est. Return
Davenport & Co
Davenport & Co Richmond, Virginia $19.9B AUM 12.67% 1-Year Est. Return

Emerald Advisors's COST Position: Q3 2026 in Review

Emerald Advisors reduced its Costco (COST) stake by 1% in Q3 2026, selling an estimated $5.79M and leaving 616,325 shares worth $561M. The position accounts for 71.82% of the portfolio, ranked #1.

Emerald Advisors first reported a position in COST in Q4 2019 and has held it in 28 quarters since. The position peaked at $623M in Q2 2025. 879 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Emerald Advisors held 616,325 shares of Costco worth $561M as of Q3 2026.
  • Emerald Advisors sold 6,203 Costco shares in Q3 2026, an estimated $5.79M.
  • Costco made up 71.82% of Emerald Advisors's portfolio in Q3 2026, its #1 holding.
  • Emerald Advisors first reported a position in Costco in Q4 2019 and has held it in 28 quarters since.
  • Emerald Advisors's Costco position peaked at $623M in Q2 2025.
  • 879 funds tracked by Wall St. Rank held Costco as of Q3 2026.

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