William Allan Corp
COST icon

William Allan Corp’s Costco COST Stock Holding History

William Allan Corp’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 		$4.92M Sell
5,403
-14
-0.3% -$13.1K 2.47% 14
2026
Q2 		$5.07M Sell
5,417
-105
-2% -$105K 2.48% 14
2026
Q1 		$5.5M Buy
5,522
+3
+0.1% +$2.92K 3.26% 8
2025
Q4 		$4.76M Sell
5,519
-192
-3% -$174K 2.7% 13
2025
Q3 		$5.29M Sell
5,711
-2,229
-28% -$2.14M 2.96% 12
2025
Q2 		$7.86M Sell
7,940
-100
-1% -$99.4K 4.58% 5
2025
Q1 		$7.6M Sell
8,040
-62
-0.8% -$60.4K 4.77% 3
2024
Q4 		$7.42M Sell
8,102
-68
-0.8% -$63.1K 4.56% 5
2024
Q3 		$7.24M Sell
8,170
-129
-2% -$112K 4.5% 4
2024
Q2 		$7.05M Sell
8,299
-32
-0.4% -$25K 4.72% 4
2024
Q1 		$6.1M Sell
8,331
-26
-0.3% -$18.6K 4.05% 4
2023
Q4 		$5.52M Sell
8,357
-155
-2% -$91.9K 3.96% 4
2023
Q3 		$4.81M Sell
8,512
-295
-3% -$163K 3.81% 6
2023
Q2 		$4.74M Sell
8,807
-328
-4% -$166K 3.63% 6
2023
Q1 		$4.54M Buy
9,135
+16
+0.2% +$7.85K 3.6% 8
2022
Q4 		$4.16M Buy
9,119
+13
+0.1% +$6.35K 3.5% 11
2022
Q3 		$4.3M Sell
9,106
-116
-1% -$60.3K 3.97% 7
2022
Q2 		$4.42M Sell
9,222
-9
-0.1% -$4.57K 3.93% 7
2022
Q1 		$5.32M Sell
9,231
-50
-0.5% -$26.2K 4.01% 5
2021
Q4 		$5.27M Buy
+9,281
New +$4.75M 3.75% 8

Other funds holding COST

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Everett Harris & Co
Everett Harris & Co Los Angeles, California $8.46B AUM 13.48% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
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
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return
Bank Julius Baer & Co
Bank Julius Baer & Co Zurich, Switzerland $39.3B AUM 31.81% 1-Year Est. Return
Provident Trust Company
Provident Trust Company Waukesha, Wisconsin $3.22B AUM 13.63% 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

William Allan Corp's COST Position: Q3 2026 in Review

William Allan Corp reduced its Costco (COST) stake by 0.26% in Q3 2026, selling an estimated $13.1K and leaving 5,403 shares worth $4.92M. The position accounts for 2.47% of the portfolio, ranked #14.

William Allan Corp first reported a position in COST in Q4 2021 and has held it in 20 quarters since. The position peaked at $7.86M in Q2 2025. 1,940 funds tracked by Wall St. Rank hold COST as of Q3 2026.

  • William Allan Corp held 5,403 shares of Costco worth $4.92M as of Q3 2026.
  • William Allan Corp sold 14 Costco shares in Q3 2026, an estimated $13.1K.
  • Costco made up 2.47% of William Allan Corp's portfolio in Q3 2026, its #14 holding.
  • William Allan Corp first reported a position in Costco in Q4 2021 and has held it in 20 quarters since.
  • William Allan Corp's Costco position peaked at $7.86M in Q2 2025.
  • 1,940 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on William Allan Corp's 13F filing for Q3 2026, filed 14 Oct 2026.