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Flagship Harbor Advisors’s Costco COST Stock Holding History

Flagship Harbor 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 		$4.47M Sell
4,777
-92
-2% -$91.7K 0.17% 134
2026
Q1 		$4.85M Sell
4,869
-164
-3% -$160K 0.21% 109
2025
Q4 		$4.34M Sell
5,033
-1,823
-27% -$1.65M 0.2% 111
2025
Q3 		$6.35M Sell
6,856
-109
-2% -$104K 0.28% 85
2025
Q2 		$6.89M Sell
6,965
-70
-1% -$69.6K 0.33% 67
2025
Q1 		$6.65M Sell
7,035
-15
-0.2% -$14.6K 0.35% 65
2024
Q4 		$6.46M Buy
7,050
+597
+9% +$554K 0.34% 57
2024
Q3 		$5.72M Buy
6,453
+115
+2% +$99.8K 0.31% 69
2024
Q2 		$5.39M Sell
6,338
-70
-1% -$54.6K 0.32% 69
2024
Q1 		$4.69M Sell
6,408
-37
-0.6% -$26.4K 0.3% 72
2023
Q4 		$4.25M Buy
6,445
+256
+4% +$152K 0.31% 71
2023
Q3 		$3.5M Sell
6,189
-347
-5% -$192K 0.29% 80
2023
Q2 		$3.52M Buy
6,536
+67
+1% +$33.9K 0.29% 78
2023
Q1 		$3.21M Buy
6,469
+495
+8% +$243K 0.3% 85
2022
Q4 		$2.73M Buy
5,974
+121
+2% +$59.1K 0.28% 98
2022
Q3 		$2.76M Buy
5,853
+366
+7% +$190K 0.32% 84
2022
Q2 		$2.63M Buy
5,487
+1,619
+42% +$821K 0.3% 81
2022
Q1 		$2.23M Buy
3,868
+307
+9% +$161K 0.21% 121
2021
Q4 		$2.02M Sell
3,561
-722
-17% -$370K 0.19% 134
2021
Q3 		$1.7M Hold
4,283
– – 0.18% 133
2021
Q2 		$1.7M Buy
4,283
+160
+4% +$60.5K 0.18% 133
2021
Q1 		$1.45M Buy
4,123
+691
+20% +$241K 0.17% 140
2020
Q4 		$1.29M Buy
3,432
+143
+4% +$53.4K 0.16% 138
2020
Q3 		$1.17M Sell
3,289
-35
-1% -$11.8K 0.16% 123
2020
Q2 		$1.01M Buy
3,324
+265
+9% +$80.6K 0.15% 132
2020
Q1 		$872K Sell
3,059
-43
-1% -$13K 0.17% 124
2019
Q4 		$912K Buy
3,102
+23
+0.7% +$6.84K 0.16% 144
2019
Q3 		$887K Buy
3,079
+221
+8% +$62.2K 0.17% 132
2019
Q2 		$755K Sell
2,858
-25
-0.9% -$6.23K 0.16% 141
2019
Q1 		$698K Buy
2,883
+54
+2% +$11.8K 0.14% 154
2018
Q4 		$576K Buy
2,829
+274
+11% +$61.2K 0.14% 159
2018
Q3 		$600K Buy
2,555
+504
+25% +$114K 0.11% 192
2018
Q2 		$428K Buy
2,051
+145
+8% +$28.6K 0.09% 241
2018
Q1 		$349K Sell
1,906
-253
-12% -$47.7K 0.1% 223
2017
Q4 		$407K Buy
2,159
+384
+22% +$66.3K 0.12% 204
2017
Q3 		$276K Buy
1,775
+141
+9% +$22.2K 0.09% 251
2017
Q2 		$251K Buy
1,634
+218
+15% +$37.6K 0.09% 266
2017
Q1 		$239K Sell
1,416
-4
-0.3% -$670 0.09% 258
2016
Q4 		$239K Buy
+1,420
New +$217K 0.1% 232

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

Flagship Harbor Advisors's COST Position: Q2 2026 in Review

Flagship Harbor Advisors reduced its Costco (COST) stake by 1.9% in Q2 2026, selling an estimated $91.7K and leaving 4,777 shares worth $4.47M. The position accounts for 0.17% of the portfolio, ranked #134.

Flagship Harbor Advisors first reported a position in COST in Q4 2016 and has held it in 39 quarters since. The position peaked at $6.89M in Q2 2025. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Flagship Harbor Advisors held 4,777 shares of Costco worth $4.47M as of Q2 2026.
  • Flagship Harbor Advisors sold 92 Costco shares in Q2 2026, an estimated $91.7K.
  • Costco made up 0.17% of Flagship Harbor Advisors's portfolio in Q2 2026, its #134 holding.
  • Flagship Harbor Advisors first reported a position in Costco in Q4 2016 and has held it in 39 quarters since.
  • Flagship Harbor Advisors's Costco position peaked at $6.89M in Q2 2025.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Flagship Harbor Advisors's 13F filing for Q2 2026, filed 22 Jul 2026.