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Dundas Partners’s Costco COST Stock Holding History

Dundas 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
2025
Q3 		– Sell
-23,963
Closed -$23.7M – 52
2025
Q2 		$23.7M Hold
23,963
– – 1.65% 31
2025
Q1 		$22.7M Hold
23,963
– – 1.67% 32
2024
Q4 		$22M Hold
23,963
– – 1.54% 34
2024
Q3 		$21.2M Sell
23,963
-4,437
-16% -$3.85M 1.53% 33
2024
Q2 		$24.1M Hold
28,400
– – 1.87% 30
2024
Q1 		$20.8M Sell
28,400
-33,770
-54% -$24.1M 1.64% 32
2023
Q4 		$41M Hold
62,170
– – 3.58% 5
2023
Q3 		$35.1M Hold
62,170
– – 3.45% 6
2023
Q2 		$33.5M Hold
62,170
– – 3.15% 12
2023
Q1 		$30.9M Sell
62,170
-1,225
-2% -$601K 3.23% 10
2022
Q4 		$28.9M Hold
63,395
– – 3.15% 15
2022
Q3 		$29.9M Hold
63,395
– – 3.48% 5
2022
Q2 		$30.4M Sell
63,395
-9,500
-13% -$4.82M 3.29% 7
2022
Q1 		$42M Buy
72,895
+18,036
+33% +$9.47M 3.82% 2
2021
Q4 		$28.3M Hold
54,859
– – 3.52% 7
2021
Q3 		$24.7M Hold
54,859
– – 3.48% 7
2021
Q2 		$21.7M Hold
54,859
– – 3.15% 11
2021
Q1 		$19.3M Hold
54,859
– – 3.07% 13
2020
Q4 		$24.5M Hold
54,859
– – 3.58% 9
2020
Q3 		$19.5M Hold
54,859
– – 3.91% 5
2020
Q2 		$16.6M Sell
54,859
-5,428
-9% -$1.65M 3.64% 10
2020
Q1 		$17.2M Hold
60,287
– – 4.51% 3
2019
Q4 		$17.7M Hold
60,287
– – 4.01% 11
2019
Q3 		$17.4M Sell
60,287
-10,584
-15% -$2.98M 4.33% 9
2019
Q2 		$18.7M Buy
70,871
+366
+0.5% +$91.2K 4.38% 7
2019
Q1 		$17M Hold
70,505
– – 4.18% 7
2018
Q4 		$19.4M Hold
70,505
– – 4.24% 8
2018
Q3 		$21.8M Buy
70,505
+24,845
+54% +$5.6M 4.4% 6
2018
Q2 		$9.56M Sell
45,660
-7,702
-14% -$1.52M 3.26% 11
2018
Q1 		$9.64M Buy
+53,362
New +$10.1M 2.99% 13

Other funds holding COST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Dundas Partners's COST Position: Q3 2025 in Review

Dundas Partners sold out of Costco (COST) in Q3 2025, closing a stake of 23,963 shares — an estimated $23.7M sold.

Dundas Partners first reported a position in COST in Q1 2018 and held it in 30 quarters. The position peaked at $42M in Q1 2022. 3,933 funds tracked by Wall St. Rank hold COST as of Q3 2025.

  • Dundas Partners reported no remaining Costco position as of Q3 2025 after selling out during the quarter.
  • Dundas Partners sold 23,963 Costco shares in Q3 2025, an estimated $23.7M.
  • Dundas Partners first reported a position in Costco in Q1 2018 and held it in 30 quarters.
  • Dundas Partners's Costco position peaked at $42M in Q1 2022.
  • 3,933 funds tracked by Wall St. Rank held Costco as of Q3 2025.

Based on Dundas Partners's 13F filing for Q3 2025, filed 13 Nov 2025.