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Massachusetts Wealth Management’s Costco COST Stock Holding History

Massachusetts Wealth Management’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 		$2.6M Buy
2,610
+35
+1% +$34.1K 1.13% 34
2025
Q4 		$2.22M Sell
2,575
-42
-2% -$38.1K 1.03% 40
2025
Q3 		$2.42M Sell
2,617
-5
-0.2% -$4.79K 1.2% 30
2025
Q2 		$2.6M Sell
2,622
-75
-3% -$74.5K 1.46% 24
2025
Q1 		$2.55M Sell
2,697
-60
-2% -$58.5K 1.75% 15
2024
Q4 		$2.53M Hold
2,757
– – 1.56% 18
2024
Q3 		$2.44M Sell
2,757
-40
-1% -$34.7K 1.54% 23
2024
Q2 		$2.38M Sell
2,797
-50
-2% -$39K 1.6% 18
2024
Q1 		$2.09M Buy
2,847
+210
+8% +$150K 1.47% 23
2023
Q4 		$1.74M Buy
2,637
+122
+5% +$72.3K 1.4% 25
2023
Q3 		$1.42M Hold
2,515
– – 1.3% 30
2023
Q2 		$1.35M Sell
2,515
-10
-0.4% -$5.06K 1.3% 32
2023
Q1 		$1.25M Sell
2,525
-205
-8% -$101K 1.29% 30
2022
Q4 		$1.4M Buy
+2,730
New +$1.33M 1.35% 31

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

Massachusetts Wealth Management's COST Position: Q1 2026 in Review

Massachusetts Wealth Management increased its Costco (COST) stake by 1.4% in Q1 2026, buying an estimated $34.1K and bringing the position to 2,610 shares worth $2.6M. The position accounts for 1.13% of the portfolio, ranked #34.

Massachusetts Wealth Management first reported a position in COST in Q4 2022 and has held it in 14 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Massachusetts Wealth Management held 2,610 shares of Costco worth $2.6M as of Q1 2026.
  • Massachusetts Wealth Management bought 35 Costco shares in Q1 2026, an estimated $34.1K.
  • Costco made up 1.13% of Massachusetts Wealth Management's portfolio in Q1 2026, its #34 holding.
  • Massachusetts Wealth Management first reported a position in Costco in Q4 2022 and has held it in 14 quarters since.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Massachusetts Wealth Management's 13F filing for Q1 2026, filed 15 Apr 2026.