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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 		$30.9M Buy
33,000
+24,800
+302% +$24.7M 0.04% 531
2026
Q1 		$8.17M Buy
8,200
+3,200
+64% +$3.12M 0.01% 1130
2025
Q4 		$4.31M Sell
5,000
-4,500
-47% -$4.08M 0.01% 1473
2025
Q3 		$8.79M Buy
9,500
+5,400
+132% +$5.18M 0.01% 1117
2025
Q2 		$4.06M Sell
4,100
-8,200
-67% -$8.15M 0.01% 1384
2025
Q1 		$11.6M Sell
12,300
-52,400
-81% -$51.1M 0.02% 831
2024
Q4 		$59.3M Buy
64,700
+1,300
+2% +$1.21M 0.09% 276
2024
Q3 		$56.2M Buy
63,400
+10,300
+19% +$8.94M 0.09% 268
2024
Q2 		$45.1M Buy
53,100
+1,000
+2% +$780K 0.08% 317
2024
Q1 		$38.2M Sell
52,100
-1,300
-2% -$928K 0.07% 398
2023
Q4 		$35.2M Sell
53,400
-9,000
-14% -$5.33M 0.07% 376
2023
Q3 		$35.3M Buy
62,400
+51,000
+447% +$28.2M 0.07% 374
2023
Q2 		$6.14M Buy
11,400
+9,300
+443% +$4.71M 0.01% 989
2023
Q1 		$1.04M Buy
+2,100
New +$1.03M ﹤0.01% 1722
2014
Q4 		– Sell
-200,000
Closed -$25.1M – 680
2014
Q3 		$25.1M Buy
200,000
+100,000
+100% +$12.1M 0.19% 130
2014
Q2 		$11.5M Buy
+100,000
New +$11.5M 0.13% 206
2013
Q4 		– Sell
-50,000
Closed -$2.67M – 511
2013
Q3 		$2.67M Buy
+50,000
New +$5.77M 0.04% 434

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.