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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 $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

Maven Securities's COST Position: Q2 2026 in Review

Maven Securities reduced its Costco (COST) stake by 25% in Q2 2026, selling an estimated $10.2M and leaving 30,500 shares worth $28.5M. The position accounts for 0.56% of the portfolio, ranked #36.

Maven Securities first reported a position in COST in Q3 2019 and has held it in 21 quarters since. The position peaked at $40.6M in Q1 2026. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Maven Securities held 30,500 shares of Costco worth $28.5M as of Q2 2026.
  • Maven Securities sold 10,200 Costco shares in Q2 2026, an estimated $10.2M.
  • Costco made up 0.56% of Maven Securities's portfolio in Q2 2026, its #36 holding.
  • Maven Securities first reported a position in Costco in Q3 2019 and has held it in 21 quarters since.
  • Maven Securities's Costco position peaked at $40.6M in Q1 2026.
  • 4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Maven Securities's 13F filing for Q2 2026, filed 14 Aug 2026.