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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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
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
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

American Trust's COST Position: Q1 2026 in Review

American Trust reduced its Costco (COST) stake by 17% in Q1 2026, selling an estimated $1.12M and leaving 5,670 shares worth $5.65M. The position accounts for 0.5% of the portfolio, ranked #27.

American Trust first reported a position in COST in Q4 2021 and has held it in 18 quarters since. The position peaked at $7.93M in Q1 2022. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • American Trust held 5,670 shares of Costco worth $5.65M as of Q1 2026.
  • American Trust sold 1,151 Costco shares in Q1 2026, an estimated $1.12M.
  • Costco made up 0.5% of American Trust's portfolio in Q1 2026, its #27 holding.
  • American Trust first reported a position in Costco in Q4 2021 and has held it in 18 quarters since.
  • American Trust's Costco position peaked at $7.93M in Q1 2022.
  • 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on American Trust's 13F filing for Q1 2026, filed 1 May 2026.