Balyasny Asset Management
COST icon

Balyasny Asset Management’s Costco COST Stock Holding History

Balyasny 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 		$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 $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

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

Balyasny Asset Management increased its Costco (COST) stake by 223% in Q1 2026, buying an estimated $97.6M and bringing the position to 145,123 shares worth $145M. The position accounts for 0.19% of the portfolio, ranked #104.

Balyasny Asset Management first reported a position in COST in Q2 2014 and has held it in 39 quarters since. 4,237 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Balyasny Asset Management held 145,123 shares of Costco worth $145M as of Q1 2026.
  • Balyasny Asset Management bought 100,146 Costco shares in Q1 2026, an estimated $97.6M.
  • Costco made up 0.19% of Balyasny Asset Management's portfolio in Q1 2026, its #104 holding.
  • Balyasny Asset Management first reported a position in Costco in Q2 2014 and has held it in 39 quarters since.
  • 4,237 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Balyasny Asset Management's 13F filing for Q1 2026, filed 15 May 2026.