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McDonald Partners’s Costco COST Stock Holding History

McDonald Partners’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 		$467K Buy
499
+136
+37% +$136K 0.11% 155
2026
Q1 		$362K Buy
363
+50
+16% +$48.7K 0.09% 163
2025
Q4 		$270K Sell
313
-389
-55% -$353K 0.09% 182
2025
Q3 		$653K Sell
702
-1,471
-68% -$1.41M 0.19% 123
2025
Q2 		$2.19M Sell
2,173
-2
-0.1% -$1.99K 0.52% 51
2025
Q1 		$2.09M Sell
2,175
-21
-1% -$20.5K 0.55% 51
2024
Q4 		$2.01M Sell
2,196
-77
-3% -$71.4K 0.51% 55
2024
Q3 		$2.02M Sell
2,273
-21
-0.9% -$18.2K 0.5% 58
2024
Q2 		$1.95M Buy
2,294
+28
+1% +$21.8K 0.52% 54
2024
Q1 		$1.66M Buy
2,266
+32
+1% +$22.8K 0.46% 66
2023
Q4 		$1.47M Sell
2,234
-22
-1% -$13K 0.44% 70
2023
Q3 		$1.27M Sell
2,256
-299
-12% -$165K 0.41% 76
2023
Q2 		$1.38M Buy
2,555
+14
+0.6% +$7.08K 0.42% 75
2023
Q1 		$1.26M Buy
2,541
+13
+0.5% +$6.38K 0.41% 77
2022
Q4 		$1.15M Buy
2,528
+103
+4% +$50.3K 0.39% 75
2022
Q3 		$1.15M Sell
2,425
-74
-3% -$38.5K 0.44% 68
2022
Q2 		$1.2M Buy
2,499
+37
+2% +$18.8K 0.31% 96
2022
Q1 		$1.42M Buy
+2,462
New +$1.29M 0.31% 97
2021
Q4 		– Sell
-2,420
Closed -$1.09M – 583
2021
Q3 		$1.09M Sell
2,420
-12
-0.5% -$5.28K 0.26% 113
2021
Q2 		$962K Sell
2,432
-26
-1% -$9.83K 0.23% 123
2021
Q1 		$867K Buy
2,458
+307
+14% +$107K 0.22% 127
2020
Q4 		$810K Buy
+2,151
New +$804K 0.23% 120

Other funds holding COST

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
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
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return

McDonald Partners's COST Position: Q2 2026 in Review

McDonald Partners increased its Costco (COST) stake by 37% in Q2 2026, buying an estimated $136K and bringing the position to 499 shares worth $467K. The position accounts for 0.11% of the portfolio, ranked #155.

McDonald Partners first reported a position in COST in Q4 2020 and has held it in 22 quarters since. The position peaked at $2.19M in Q2 2025. 1,853 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • McDonald Partners held 499 shares of Costco worth $467K as of Q2 2026.
  • McDonald Partners bought 136 Costco shares in Q2 2026, an estimated $136K.
  • Costco made up 0.11% of McDonald Partners's portfolio in Q2 2026, its #155 holding.
  • McDonald Partners first reported a position in Costco in Q4 2020 and has held it in 22 quarters since.
  • McDonald Partners's Costco position peaked at $2.19M in Q2 2025.
  • 1,853 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on McDonald Partners's 13F filing for Q2 2026, filed 28 Jul 2026.