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Dmitry Balyasny’s Costco COST Stock Holding History

Dmitry Balyasny’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
Q2 		$172M Buy
184,300
+12,200
+7% +$12.2M 0.21% 101
2026
Q1 		$171M Buy
172,100
+64,900
+61% +$63.2M 0.22% 78
2025
Q4 		$92.4M Buy
107,200
+71,500
+200% +$64.8M 0.12% 196
2025
Q3 		$33M Sell
35,700
-49,900
-58% -$47.8M 0.04% 509
2025
Q2 		$84.7M Sell
85,600
-10,200
-11% -$10.1M 0.13% 185
2025
Q1 		$90.6M Sell
95,800
-97,600
-50% -$95.2M 0.15% 152
2024
Q4 		$177M Buy
193,400
+85,000
+78% +$78.9M 0.26% 70
2024
Q3 		$96.1M Sell
108,400
-6,100
-5% -$5.29M 0.16% 137
2024
Q2 		$97.3M Sell
114,500
-61,400
-35% -$47.9M 0.17% 131
2024
Q1 		$129M Sell
175,900
-7,300
-4% -$5.21M 0.23% 74
2023
Q4 		$121M Buy
183,200
+77,700
+74% +$46.1M 0.23% 80
2023
Q3 		$59.6M Buy
105,500
+94,100
+825% +$51.9M 0.12% 223
2023
Q2 		$6.14M Sell
11,400
-32,300
-74% -$16.3M 0.01% 990
2023
Q1 		$21.7M Buy
+43,700
New +$21.4M 0.05% 478
2022
Q3 		– Sell
-5,000
Closed -$2.4M – 2902
2022
Q2 		$2.4M Buy
+5,000
New +$2.54M 0.01% 1317
2019
Q2 		– Sell
-36,000
Closed -$8.72M – 1508
2019
Q1 		$8.72M Buy
+36,000
New +$7.87M 0.06% 426
2017
Q4 		– Sell
-25,000
Closed -$4.11M – 2090
2017
Q3 		$4.11M Sell
25,000
-125,000
-83% -$19.6M 0.02% 780
2017
Q2 		$24M Buy
150,000
+50,000
+50% +$8.62M 0.1% 277
2017
Q1 		$16.8M Buy
+100,000
New +$16.8M 0.08% 331

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

Dmitry Balyasny's COST Position: Q2 2026 in Review

Dmitry Balyasny increased its Costco (COST) stake by 109% in Q2 2026, buying an estimated $158M and bringing the position to 304,003 shares worth $284M. The position accounts for 0.35% of the portfolio, ranked #38.

Dmitry Balyasny first reported a position in COST in Q2 2014 and has held it in 40 quarters since. 4,218 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Dmitry Balyasny held 304,003 shares of Costco worth $284M as of Q2 2026.
  • Dmitry Balyasny bought 158,880 Costco shares in Q2 2026, an estimated $158M.
  • Costco made up 0.35% of Dmitry Balyasny's portfolio in Q2 2026, its #38 holding.
  • Dmitry Balyasny first reported a position in Costco in Q2 2014 and has held it in 40 quarters since.
  • 4,218 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.