Castleview Partners
COST icon

Castleview Partners’s Costco COST Stock Holding History

Castleview 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
Q3 		$233K Sell
256
-10
-4% -$9.34K 0.1% 191
2026
Q2 		$249K Buy
266
+7
+3% +$6.98K 0.11% 187
2026
Q1 		$258K Buy
259
+8
+3% +$7.8K 0.13% 167
2025
Q4 		$216K Buy
+251
New +$227K 0.11% 182
2025
Q1 		– Sell
-478
Closed -$435K – 250
2024
Q4 		$435K Sell
478
-67
-12% -$62.2K 0.23% 104
2024
Q3 		$483K Buy
545
+25
+5% +$21.7K 0.28% 83
2024
Q2 		$442K Sell
520
-61
-10% -$47.6K 0.25% 93
2024
Q1 		$425K Buy
581
+31
+6% +$22.1K 0.24% 98
2023
Q4 		$363K Buy
550
+450
+450% +$267K 0.25% 93
2023
Q3 		$56.5K Hold
100
– – 0.05% 237
2023
Q2 		$53.8K Sell
100
-35
-26% -$17.7K 0.05% 247
2023
Q1 		$67.1K Hold
135
– – 0.06% 225
2022
Q4 		$61.6K Hold
135
– – 0.06% 209
2022
Q3 		$64K Buy
135
+55
+69% +$28.6K 0.06% 216
2022
Q2 		$4.83K Sell
80
-95
-54% -$48.2K ﹤0.01% 545
2022
Q1 		$100K Buy
+175
New +$91.8K 0.06% 232
2021
Q2 		$129K Buy
+325
New +$123K 0.06% 254

Other funds holding COST

Emerald Advisors
Emerald Advisors Bellevue, Washington $781M AUM 4.78% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $33.8B AUM 31.08% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 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 30.39% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Castleview Partners's COST Position: Q3 2026 in Review

Castleview Partners reduced its Costco (COST) stake by 3.8% in Q3 2026, selling an estimated $9.34K and leaving 256 shares worth $233K. The position accounts for 0.1% of the portfolio, ranked #191.

Castleview Partners first reported a position in COST in Q2 2021 and has held it in 17 quarters since. The position peaked at $483K in Q3 2024. 1,271 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • Castleview Partners held 256 shares of Costco worth $233K as of Q3 2026.
  • Castleview Partners sold 10 Costco shares in Q3 2026, an estimated $9.34K.
  • Costco made up 0.1% of Castleview Partners's portfolio in Q3 2026, its #191 holding.
  • Castleview Partners first reported a position in Costco in Q2 2021 and has held it in 17 quarters since.
  • Castleview Partners's Costco position peaked at $483K in Q3 2024.
  • 1,271 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Castleview Partners's 13F filing for Q3 2026, filed 9 Oct 2026.