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SeaBridge Investment Advisors’s Costco COST Stock Holding History

SeaBridge Investment 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 		$2.3M Buy
2,461
+12
+0.5% +$12K 0.33% 71
2026
Q1 		$2.44M Sell
2,449
-11
-0.4% -$10.7K 0.41% 70
2025
Q4 		$2.12M Hold
2,460
– – 0.35% 74
2025
Q3 		$2.28M Hold
2,460
– – 0.37% 74
2025
Q2 		$2.44M Hold
2,460
– – 0.45% 71
2025
Q1 		$2.33M Buy
2,460
+11
+0.4% +$10.7K 0.5% 64
2024
Q4 		$2.24M Buy
2,449
+210
+9% +$195K 0.47% 64
2024
Q3 		$1.98M Hold
2,239
– – 0.49% 67
2024
Q2 		$1.9M Hold
2,239
– – 0.49% 67
2024
Q1 		$1.64M Hold
2,239
– – 0.43% 75
2023
Q4 		$1.48M Sell
2,239
-150
-6% -$88.9K 0.43% 75
2023
Q3 		$1.35M Buy
2,389
+70
+3% +$38.6K 0.44% 77
2023
Q2 		$1.25M Hold
2,319
– – 0.41% 81
2023
Q1 		$1.15M Hold
2,319
– – 0.4% 83
2022
Q4 		$1.06M Buy
2,319
+20
+0.9% +$9.77K 0.38% 79
2022
Q3 		$1.09M Sell
2,299
-1,191
-34% -$619K 0.38% 78
2022
Q2 		$1.67M Sell
3,490
-64
-2% -$32.5K 0.54% 61
2022
Q1 		$2.05M Sell
3,554
-212
-6% -$111K 0.61% 58
2021
Q4 		$2.14M Sell
3,766
-2
-0.1% -$1.02K 0.68% 51
2021
Q3 		$1.69M Buy
3,768
+18
+0.5% +$7.91K 0.56% 67
2021
Q2 		$1.48M Hold
3,750
– – 0.48% 77
2021
Q1 		$1.32M Sell
3,750
-110
-3% -$38.3K 0.44% 80
2020
Q4 		$1.45M Sell
3,860
-177
-4% -$66.1K 0.52% 73
2020
Q3 		$1.43M Sell
4,037
-200
-5% -$67.2K 0.53% 66
2020
Q2 		$1.28M Hold
4,237
– – 0.5% 71
2020
Q1 		$1.21M Hold
4,237
– – 0.55% 63
2019
Q4 		$1.25M Sell
4,237
-232
-5% -$69K 0.43% 74
2019
Q3 		$1.29M Sell
4,469
-53
-1% -$14.9K 0.44% 75
2019
Q2 		$1.2M Sell
4,522
-10
-0.2% -$2.49K 0.4% 84
2019
Q1 		$1.1M Sell
4,532
-10
-0.2% -$2.19K 0.37% 93
2018
Q4 		$925K Sell
4,542
-425
-9% -$94.9K 0.34% 91
2018
Q3 		$1.17M Hold
4,967
– – 0.3% 97
2018
Q2 		$1.04M Sell
4,967
-105
-2% -$20.7K 0.26% 104
2018
Q1 		$956K Sell
5,072
-100
-2% -$18.9K 0.21% 98
2017
Q4 		$963K Sell
5,172
-25
-0.5% -$4.32K 0.21% 101
2017
Q3 		$854K Hold
5,197
– – 0.2% 105
2017
Q2 		$831K Sell
5,197
-24
-0.5% -$4.13K 0.2% 106
2017
Q1 		$876K Sell
5,221
-238
-4% -$39.9K 0.21% 106
2016
Q4 		$874K Hold
5,459
– – 0.21% 107
2016
Q3 		$833K Hold
5,459
– – 0.21% 113
2016
Q2 		$857K Sell
5,459
-18
-0.3% -$2.73K 0.22% 116
2016
Q1 		$863K Hold
5,477
– – 0.21% 118
2015
Q4 		$885K Hold
5,477
– – 0.2% 110
2015
Q3 		$792K Sell
5,477
-60
-1% -$8.56K 0.18% 110
2015
Q2 		$748K Hold
5,537
– – 0.15% 103
2015
Q1 		$839K Hold
5,537
– – 0.17% 101
2014
Q4 		$785K Hold
5,537
– – 0.16% 105
2014
Q3 		$694K Sell
5,537
-100
-2% -$12.1K 0.16% 105
2014
Q2 		$649K Buy
5,637
+7
+0.1% +$803 0.13% 108
2014
Q1 		$629K Hold
5,630
– – 0.14% 98
2013
Q4 		$670K Hold
5,630
– – 0.15% 101
2013
Q3 		$648K Hold
5,630
– – 0.16% 108
2013
Q2 		$623K Buy
+5,630
New +$616K 0.16% 103

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

SeaBridge Investment Advisors's COST Position: Q2 2026 in Review

SeaBridge Investment Advisors increased its Costco (COST) stake by 0.49% in Q2 2026, buying an estimated $12K and bringing the position to 2,461 shares worth $2.3M. The position accounts for 0.33% of the portfolio, ranked #71.

SeaBridge Investment Advisors first reported a position in COST in Q2 2013 and has held it in 53 quarters since. The position peaked at $2.44M in Q1 2026. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • SeaBridge Investment Advisors held 2,461 shares of Costco worth $2.3M as of Q2 2026.
  • SeaBridge Investment Advisors bought 12 Costco shares in Q2 2026, an estimated $12K.
  • Costco made up 0.33% of SeaBridge Investment Advisors's portfolio in Q2 2026, its #71 holding.
  • SeaBridge Investment Advisors first reported a position in Costco in Q2 2013 and has held it in 53 quarters since.
  • SeaBridge Investment Advisors's Costco position peaked at $2.44M in Q1 2026.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on SeaBridge Investment Advisors's 13F filing for Q2 2026, filed 17 Jul 2026.