AT
COST icon

American Trust’s Costco COST Stock Holding History

American Trust’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 		$4.65M Sell
4,968
-702
-12% -$699K 0.36% 37
2026
Q1 		$5.65M Sell
5,670
-1,151
-17% -$1.12M 0.5% 27
2025
Q4 		$5.88M Buy
6,821
+188
+3% +$170K 0.49% 33
2025
Q3 		$6.14M Sell
6,633
-123
-2% -$118K 0.52% 29
2025
Q2 		$6.69M Buy
6,756
+403
+6% +$401K 0.63% 23
2025
Q1 		$6.01M Sell
6,353
-999
-14% -$974K 1.48% 11
2024
Q4 		$6.74M Sell
7,352
-456
-6% -$423K 0.51% 32
2024
Q3 		$6.92M Sell
7,808
-1,082
-12% -$939K 0.57% 25
2024
Q2 		$7.56M Sell
8,890
-340
-4% -$265K 0.62% 26
2024
Q1 		$6.76M Sell
9,230
-547
-6% -$390K 0.56% 27
2023
Q4 		$6.45M Buy
9,777
+350
+4% +$207K 0.48% 33
2023
Q3 		$5.33M Sell
9,427
-421
-4% -$232K 0.41% 36
2023
Q2 		$5.3M Sell
9,848
-835
-8% -$423K 0.37% 48
2023
Q1 		$5.31M Sell
10,683
-686
-6% -$336K 0.37% 51
2022
Q4 		$5.19M Buy
11,369
+265
+2% +$129K 0.48% 48
2022
Q3 		$5.24M Sell
11,104
-549
-5% -$286K 0.44% 41
2022
Q2 		$5.59M Sell
11,653
-2,128
-15% -$1.08M 0.45% 42
2022
Q1 		$7.93M Buy
13,781
+1,094
+9% +$574K 0.53% 32
2021
Q4 		$7.2M Buy
+12,687
New +$6.5M 0.55% 27

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

American Trust's COST Position: Q2 2026 in Review

American Trust reduced its Costco (COST) stake by 12% in Q2 2026, selling an estimated $699K and leaving 4,968 shares worth $4.65M. The position accounts for 0.36% of the portfolio, ranked #37.

American Trust first reported a position in COST in Q4 2021 and has held it in 19 quarters since. The position peaked at $7.93M in Q1 2022. 4,252 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • American Trust held 4,968 shares of Costco worth $4.65M as of Q2 2026.
  • American Trust sold 702 Costco shares in Q2 2026, an estimated $699K.
  • Costco made up 0.36% of American Trust's portfolio in Q2 2026, its #37 holding.
  • American Trust first reported a position in Costco in Q4 2021 and has held it in 19 quarters since.
  • American Trust's Costco position peaked at $7.93M in Q1 2022.
  • 4,252 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on American Trust's 13F filing for Q2 2026, filed 14 Aug 2026.