MAM
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MWA Asset Management’s Costco COST Stock Holding History

MWA Asset 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 		$4.55M Buy
4,559
+304
+7% +$296K 2.49% 12
2025
Q4 		$3.67M Buy
4,255
+10
+0.2% +$9.06K 2.04% 14
2025
Q3 		$3.93M Buy
4,245
+51
+1% +$48.9K 2.17% 13
2025
Q2 		$4.15M Sell
4,194
-38
-0.9% -$37.8K 2.54% 10
2025
Q1 		$4M Buy
4,232
+73
+2% +$71.2K 2.78% 6
2024
Q4 		$3.81M Sell
4,159
-40
-1% -$37.1K 2.53% 9
2024
Q3 		$3.72M Sell
4,199
-41
-1% -$35.6K 2.48% 8
2024
Q2 		$3.6M Sell
4,240
-46
-1% -$35.9K 2.57% 9
2024
Q1 		$3.14M Sell
4,286
-697
-14% -$498K 2.28% 10
2023
Q4 		$3.29M Sell
4,983
-55
-1% -$32.6K 2.72% 6
2023
Q3 		$2.85M Buy
+5,038
New +$2.78M 2.75% 7

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

MWA Asset Management's COST Position: Q1 2026 in Review

MWA Asset Management increased its Costco (COST) stake by 7.1% in Q1 2026, buying an estimated $296K and bringing the position to 4,559 shares worth $4.55M. The position accounts for 2.49% of the portfolio, ranked #12.

MWA Asset Management first reported a position in COST in Q3 2023 and has held it in 11 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • MWA Asset Management held 4,559 shares of Costco worth $4.55M as of Q1 2026.
  • MWA Asset Management bought 304 Costco shares in Q1 2026, an estimated $296K.
  • Costco made up 2.49% of MWA Asset Management's portfolio in Q1 2026, its #12 holding.
  • MWA Asset Management first reported a position in Costco in Q3 2023 and has held it in 11 quarters since.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on MWA Asset Management's 13F filing for Q1 2026, filed 7 May 2026.