Defender Capital
COST icon

Defender Capital’s Costco COST Stock Holding History

Defender Capital’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
Q3 		$10.5M Buy
11,555
+55
+0.5% +$51.3K 3.3% 10
2026
Q2 		$10.8M Sell
11,500
-412
-3% -$411K 3.49% 10
2026
Q1 		$11.9M Sell
11,912
-172
-1% -$168K 4.21% 10
2025
Q4 		$10.4M Buy
+12,084
New +$11M 3.38% 12
2025
Q3 		– Sell
-11,165
Closed -$11.1M – 9
2025
Q2 		$11.1M Buy
11,165
+59
+0.5% +$58.6K 3.75% 11
2025
Q1 		$10.7M Sell
11,106
-964
-8% -$940K 4.21% 10
2024
Q4 		$11.1M Sell
12,070
-64
-0.5% -$59.4K 4.07% 10
2024
Q3 		$10.8M Sell
12,134
-620
-5% -$538K 3.57% 11
2024
Q2 		$10.8M Buy
12,754
+1,046
+9% +$816K 3.7% 11
2024
Q1 		$8.58M Sell
11,708
-878
-7% -$627K 2.92% 11
2023
Q4 		$8.31M Sell
12,586
-3,054
-20% -$1.81M 2.92% 10
2023
Q3 		$8.84M Sell
15,640
-1,490
-9% -$822K 3.2% 9
2023
Q2 		$9.22M Buy
17,130
+505
+3% +$256K 3.17% 9
2023
Q1 		$8.26M Sell
16,625
-170
-1% -$83.4K 2.88% 9
2022
Q4 		$7.67M Sell
16,795
-90
-0.5% -$44K 3.1% 9
2022
Q3 		$7.97M Sell
16,885
-1,945
-10% -$1.01M 3.12% 9
2022
Q2 		$9.02M Sell
18,830
-4,365
-19% -$2.21M 3.54% 9
2022
Q1 		$13.4M Sell
23,195
-12,423
-35% -$6.52M 4.64% 8
2021
Q4 		$20.2M Sell
35,618
-2,997
-8% -$1.54M 6.48% 7
2021
Q3 		$17.4M Sell
38,615
-3,210
-8% -$1.41M 5.66% 7
2021
Q2 		$16.5M Sell
41,825
-6,320
-13% -$2.39M 5.5% 8
2021
Q1 		$17M Buy
48,145
+21,625
+82% +$7.53M 6.07% 7
2020
Q4 		$10M Sell
26,520
-4,400
-14% -$1.64M 4.35% 7
2020
Q3 		$11M Sell
30,920
-2,200
-7% -$739K 5.41% 7
2020
Q2 		$1.04M Buy
33,120
+14,130
+74% +$4.3M 0.61% 15
2020
Q1 		$5.42M Buy
+18,990
New +$5.76M 3.95% 8

Other funds holding COST

Emerald Advisors
Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
TD Waterhouse Canada
TD Waterhouse Canada Toronto, Ontario, Canada $38.4B AUM 30.28% 1-Year Est. Return
Cardano Risk Management
Cardano Risk Management Rotterdam, Netherlands $18.2B AUM 38.97% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $45.5B AUM 15.2% 1-Year Est. Return
Sarasin & Partners
Sarasin & Partners London, United Kingdom $8.93B AUM 11.81% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.35% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
Fjarde Ap-fonden
Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return
Bank Pictet & Cie (Europe)
Bank Pictet & Cie (Europe) Frankfurt Am Main, Germany $5.31B AUM 25.55% 1-Year Est. Return

Defender Capital's COST Position: Q3 2026 in Review

Defender Capital increased its Costco (COST) stake by 0.48% in Q3 2026, buying an estimated $51.3K and bringing the position to 11,555 shares worth $10.5M. The position accounts for 3.3% of the portfolio, ranked #10.

Defender Capital first reported a position in COST in Q1 2020 and has held it in 26 quarters since. The position peaked at $20.2M in Q4 2021. 1,159 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Defender Capital held 11,555 shares of Costco worth $10.5M as of Q3 2026.
  • Defender Capital bought 55 Costco shares in Q3 2026, an estimated $51.3K.
  • Costco made up 3.3% of Defender Capital's portfolio in Q3 2026, its #10 holding.
  • Defender Capital first reported a position in Costco in Q1 2020 and has held it in 26 quarters since.
  • Defender Capital's Costco position peaked at $20.2M in Q4 2021.
  • 1,159 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Defender Capital's 13F filing for Q3 2026, filed 1 Oct 2026.