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Portside Wealth Group’s Costco COST Stock Holding History

Portside Wealth Group’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 		$2.63M Buy
2,811
+42
+2% +$41.8K 0.31% 73
2026
Q1 		$2.76M Buy
2,769
+691
+33% +$673K 0.37% 59
2025
Q4 		$1.79M Sell
2,078
-28
-1% -$25.4K 0.24% 96
2025
Q3 		$1.95M Sell
2,106
-90
-4% -$86.3K 0.27% 87
2025
Q2 		$2.17M Buy
2,196
+469
+27% +$466K 0.32% 72
2025
Q1 		$1.63M Buy
1,727
+235
+16% +$229K 0.27% 90
2024
Q4 		$1.37M Buy
1,492
+108
+8% +$100K 0.23% 100
2024
Q3 		$1.23M Buy
1,384
+163
+13% +$141K 0.21% 111
2024
Q2 		$1.04M Buy
1,221
+65
+6% +$50.7K 0.2% 119
2024
Q1 		$847K Buy
1,156
+14
+1% +$9.99K 0.16% 150
2023
Q4 		$754K Buy
1,142
+94
+9% +$55.7K 0.14% 160
2023
Q3 		$591K Buy
1,048
+28
+3% +$15.5K 0.11% 170
2023
Q2 		$549K Buy
+1,020
New +$516K 0.1% 190

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

Portside Wealth Group's COST Position: Q2 2026 in Review

Portside Wealth Group increased its Costco (COST) stake by 1.5% in Q2 2026, buying an estimated $41.8K and bringing the position to 2,811 shares worth $2.63M. The position accounts for 0.31% of the portfolio, ranked #73.

Portside Wealth Group first reported a position in COST in Q2 2023 and has held it in 13 quarters since. The position peaked at $2.76M in Q1 2026. 2,087 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Portside Wealth Group held 2,811 shares of Costco worth $2.63M as of Q2 2026.
  • Portside Wealth Group bought 42 Costco shares in Q2 2026, an estimated $41.8K.
  • Costco made up 0.31% of Portside Wealth Group's portfolio in Q2 2026, its #73 holding.
  • Portside Wealth Group first reported a position in Costco in Q2 2023 and has held it in 13 quarters since.
  • Portside Wealth Group's Costco position peaked at $2.76M in Q1 2026.
  • 2,087 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Portside Wealth Group's 13F filing for Q2 2026, filed 14 Jul 2026.