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Keystone Wealth Services’s Costco COST Stock Holding History

Keystone Wealth Services’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 		$7.18M Sell
7,675
-84
-1% -$83.7K 1.33% 13
2026
Q1 		$7.73M Sell
7,759
-964
-11% -$939K 1.65% 11
2025
Q4 		$7.52M Sell
8,723
-34
-0.4% -$30.8K 1.59% 12
2025
Q3 		$8.11M Buy
8,757
+74
+0.9% +$70.9K 1.77% 10
2025
Q2 		$8.6M Sell
8,683
-925
-10% -$919K 2.07% 9
2025
Q1 		$9.09M Sell
9,608
-442
-4% -$431K 2.46% 6
2024
Q4 		$9.21M Buy
10,050
+970
+11% +$900K 2.44% 7
2024
Q3 		$8.05M Buy
9,080
+5,028
+124% +$4.36M 2.23% 8
2024
Q2 		$3.44M Sell
4,052
-17
-0.4% -$13.3K 1.07% 20
2024
Q1 		$2.98M Sell
4,069
-8
-0.2% -$5.71K 0.97% 22
2023
Q4 		$2.69M Buy
4,077
+33
+0.8% +$19.6K 0.92% 25
2023
Q3 		$2.28M Sell
4,044
-106
-3% -$58.5K 0.87% 28
2023
Q2 		$2.23M Buy
4,150
+62
+2% +$31.4K 0.83% 28
2023
Q1 		$2.03M Buy
4,088
+20
+0.5% +$9.81K 0.83% 27
2022
Q4 		$1.86M Buy
4,068
+191
+5% +$93.3K 0.81% 28
2022
Q3 		$1.83M Buy
3,877
+38
+1% +$19.8K 0.86% 25
2022
Q2 		$1.84M Buy
3,839
+77
+2% +$39.1K 0.82% 25
2022
Q1 		$2.17M Buy
3,762
+62
+2% +$32.5K 0.86% 26
2021
Q4 		$2.1M Buy
+3,700
New +$1.9M 0.85% 29

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

Keystone Wealth Services's COST Position: Q2 2026 in Review

Keystone Wealth Services reduced its Costco (COST) stake by 1.1% in Q2 2026, selling an estimated $83.7K and leaving 7,675 shares worth $7.18M. The position accounts for 1.33% of the portfolio, ranked #13.

Keystone Wealth Services first reported a position in COST in Q4 2021 and has held it in 19 quarters since. The position peaked at $9.21M in Q4 2024. 4,240 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Keystone Wealth Services held 7,675 shares of Costco worth $7.18M as of Q2 2026.
  • Keystone Wealth Services sold 84 Costco shares in Q2 2026, an estimated $83.7K.
  • Costco made up 1.33% of Keystone Wealth Services's portfolio in Q2 2026, its #13 holding.
  • Keystone Wealth Services first reported a position in Costco in Q4 2021 and has held it in 19 quarters since.
  • Keystone Wealth Services's Costco position peaked at $9.21M in Q4 2024.
  • 4,240 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Keystone Wealth Services's 13F filing for Q2 2026, filed 5 Aug 2026.