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Maven Securities’s Costco COST Stock Holding History

Maven Securities’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 		– Sell
-15,800
Closed -$13.6M – 427
2025
Q4 		$13.6M Buy
+15,800
New +$14.3M 0.3% 78
2025
Q3 		– Sell
-3,000
Closed -$2.97M – 527
2025
Q2 		$2.97M Sell
3,000
-1,500
-33% -$1.49M 0.07% 256
2025
Q1 		$4.26M Buy
4,500
+1,100
+32% +$1.07M 0.13% 145
2024
Q4 		$3.12M Buy
3,400
+200
+6% +$186K 0.08% 212
2024
Q3 		$2.84M Sell
3,200
-2,000
-38% -$1.74M 0.05% 279
2024
Q2 		$4.42M Buy
+5,200
New +$4.06M 0.1% 214
2024
Q1 		– Sell
-13,700
Closed -$9.04M – 480
2023
Q4 		$9.04M Buy
13,700
+5,400
+65% +$3.2M 0.19% 88
2023
Q3 		$4.69M Buy
+8,300
New +$4.58M 0.05% 208
2023
Q2 		– Sell
-5,600
Closed -$2.78M – 894
2023
Q1 		$2.78M Buy
5,600
+3,400
+155% +$1.67M 0.06% 227
2022
Q4 		$1M Sell
2,200
-23,300
-91% -$11.4M 0.02% 430
2022
Q3 		$12M Buy
25,500
+6,500
+34% +$3.38M 0.22% 49
2022
Q2 		$9.11M Buy
19,000
+17,300
+1,018% +$8.78M 0.28% 67
2022
Q1 		$979K Buy
1,700
+200
+13% +$105K 0.03% 340
2021
Q4 		$852K Sell
1,500
-12,600
-89% -$6.45M 0.02% 400
2021
Q3 		$6.34M Buy
14,100
+3,600
+34% +$1.58M 0.2% 74
2021
Q2 		$4.16M Buy
10,500
+5,400
+106% +$2.04M 0.17% 105
2021
Q1 		$1.8M Buy
+5,100
New +$1.78M 0.08% 244
2020
Q4 		– Sell
-7,300
Closed -$2.59M – 613
2020
Q3 		$2.59M Buy
7,300
+100
+1% +$33.6K 0.21% 104
2020
Q2 		$2.18M Buy
7,200
+2,500
+53% +$761K 0.15% 127
2020
Q1 		$1.34M Sell
4,700
-4,600
-49% -$1.4M 0.16% 93
2019
Q4 		$2.72M Buy
9,300
+8,700
+1,450% +$2.59M 0.25% 72
2019
Q3 		$173K Buy
+600
New +$169K 0.05% 182

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

Maven Securities's COST Position: Q1 2026 in Review

Maven Securities opened a new position in Costco (COST) in Q1 2026: 40,700 shares worth $40.6M. The stake represents 0.78% of the portfolio and ranks #29 among its holdings. This is a return to the name: Maven Securities previously reported a position in COST as recently as Q2 2025.

Maven Securities first reported a position in COST in Q3 2019 and has held it in 20 quarters since. 4,235 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Maven Securities held 40,700 shares of Costco worth $40.6M as of Q1 2026.
  • Costco was a new Maven Securities position in Q1 2026.
  • Costco made up 0.78% of Maven Securities's portfolio in Q1 2026, its #29 holding.
  • Maven Securities first reported a position in Costco in Q3 2019 and has held it in 20 quarters since.
  • 4,235 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Maven Securities's 13F filing for Q1 2026, filed 15 May 2026.