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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
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 $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 $137B AUM 18.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Keystone Wealth Services's COST Position: Q1 2026 in Review

Keystone Wealth Services reduced its Costco (COST) stake by 11% in Q1 2026, selling an estimated $939K and leaving 7,759 shares worth $7.73M. The position accounts for 1.65% of the portfolio, ranked #11.

Keystone Wealth Services first reported a position in COST in Q4 2021 and has held it in 18 quarters since. The position peaked at $9.21M in Q4 2024. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Keystone Wealth Services held 7,759 shares of Costco worth $7.73M as of Q1 2026.
  • Keystone Wealth Services sold 964 Costco shares in Q1 2026, an estimated $939K.
  • Costco made up 1.65% of Keystone Wealth Services's portfolio in Q1 2026, its #11 holding.
  • Keystone Wealth Services first reported a position in Costco in Q4 2021 and has held it in 18 quarters since.
  • Keystone Wealth Services's Costco position peaked at $9.21M in Q4 2024.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Keystone Wealth Services's 13F filing for Q1 2026, filed 13 May 2026.