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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
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

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

Emerald Advisors's COST Position: Q1 2026 in Review

Emerald Advisors reduced its Costco (COST) stake by 2.7% in Q1 2026, selling an estimated $16.8M and leaving 622,528 shares worth $620M. The position accounts for 76.81% of the portfolio, ranked #1.

Emerald Advisors first reported a position in COST in Q4 2019 and has held it in 26 quarters since. The position peaked at $623M in Q2 2025. 4,236 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Emerald Advisors held 622,528 shares of Costco worth $620M as of Q1 2026.
  • Emerald Advisors sold 17,234 Costco shares in Q1 2026, an estimated $16.8M.
  • Costco made up 76.81% of Emerald Advisors's portfolio in Q1 2026, its #1 holding.
  • Emerald Advisors first reported a position in Costco in Q4 2019 and has held it in 26 quarters since.
  • Emerald Advisors's Costco position peaked at $623M in Q2 2025.
  • 4,236 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Emerald Advisors's 13F filing for Q1 2026, filed 24 Apr 2026.