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 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 New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Balyasny Asset Management's COST Position: Q2 2026 in Review

Balyasny Asset Management 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.

Balyasny Asset Management first reported a position in COST in Q2 2014 and has held it in 40 quarters since. 4,258 funds tracked by Wall St. Rank hold COST as of Q2 2026.

Balyasny Asset Management held 304,003 shares of Costco worth $284M as of Q2 2026.
Balyasny Asset Management bought 158,880 Costco shares in Q2 2026, an estimated $158M.
Costco made up 0.35% of Balyasny Asset Management's portfolio in Q2 2026, its #38 holding.
Balyasny Asset Management first reported a position in Costco in Q2 2014 and has held it in 40 quarters since.
4,258 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.