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Bull Street Advisors’s Costco COST Stock Holding History

Bull Street 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
Q2 		$7.4M Buy
7,915
+182
+2% +$181K 3.38% 5
2026
Q1 		$7.71M Sell
7,733
-54
-0.7% -$52.6K 3.82% 5
2025
Q4 		$6.71M Sell
7,787
-31
-0.4% -$28.1K 3.12% 8
2025
Q3 		$7.24M Sell
7,818
-75
-1% -$71.9K 3.38% 7
2025
Q2 		$7.81M Sell
7,893
-188
-2% -$187K 3.76% 5
2025
Q1 		$7.64M Sell
8,081
-10
-0.1% -$9.75K 3.66% 6
2024
Q4 		$7.41M Sell
8,091
-10
-0.1% -$9.28K 3.57% 5
2024
Q3 		$7.18M Sell
8,101
-227
-3% -$197K 3.33% 9
2024
Q2 		$7.08M Sell
8,328
-192
-2% -$150K 3.42% 6
2024
Q1 		$6.24M Sell
8,520
-62
-0.7% -$44.3K 2.99% 9
2023
Q4 		$5.67M Sell
8,582
-25
-0.3% -$14.8K 2.87% 9
2023
Q3 		$4.86M Buy
8,607
+24
+0.3% +$13.2K 2.57% 11
2023
Q2 		$4.62M Sell
8,583
-46
-0.5% -$23.3K 2.37% 12
2023
Q1 		$4.29M Sell
8,629
-25
-0.3% -$12.3K 2.22% 14
2022
Q4 		$3.95M Buy
8,654
+28
+0.3% +$13.7K 2.05% 16
2022
Q3 		$4.07M Buy
8,626
+6
+0.1% +$3.12K 2.29% 15
2022
Q2 		$4.13M Hold
8,620
– – 2.21% 15
2022
Q1 		$4.96M Buy
8,620
+7
+0.1% +$3.67K 2.41% 13
2021
Q4 		$4.89M Sell
8,613
-85
-1% -$43.5K 2.33% 14
2021
Q3 		$3.91M Buy
8,698
+746
+9% +$328K 2.01% 16
2021
Q2 		$3.15M Buy
7,952
+5
+0.1% +$1.89K 1.68% 18
2021
Q1 		$2.8M Sell
7,947
-51
-0.6% -$17.8K 1.58% 20
2020
Q4 		$3.01M Sell
7,998
-3
-0% -$1.12K 1.82% 19
2020
Q3 		$2.84M Sell
8,001
-145
-2% -$48.7K 1.94% 19
2020
Q2 		$2.47M Sell
8,146
-255
-3% -$77.6K 1.9% 18
2020
Q1 		$2.4M Buy
8,401
+95
+1% +$28.8K 2.14% 16
2019
Q4 		$2.44M Buy
8,306
+150
+2% +$44.6K 2.14% 16
2019
Q3 		$2.35M Buy
+8,156
New +$2.3M 2.19% 14

Other funds holding COST

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
PTC
Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return

Bull Street Advisors's COST Position: Q2 2026 in Review

Bull Street Advisors increased its Costco (COST) stake by 2.4% in Q2 2026, buying an estimated $181K and bringing the position to 7,915 shares worth $7.4M. The position accounts for 3.38% of the portfolio, ranked #5.

Bull Street Advisors first reported a position in COST in Q3 2019 and has held it in 28 quarters since. The position peaked at $7.81M in Q2 2025. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Bull Street Advisors held 7,915 shares of Costco worth $7.4M as of Q2 2026.
  • Bull Street Advisors bought 182 Costco shares in Q2 2026, an estimated $181K.
  • Costco made up 3.38% of Bull Street Advisors's portfolio in Q2 2026, its #5 holding.
  • Bull Street Advisors first reported a position in Costco in Q3 2019 and has held it in 28 quarters since.
  • Bull Street Advisors's Costco position peaked at $7.81M in Q2 2025.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Bull Street Advisors's 13F filing for Q2 2026, filed 28 Jul 2026.