DoubleLine ETF Adviser’s Costco COST Stock Holding History

DoubleLine ETF Adviser’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	$5.35M	Buy	+5,714	New	+$5.69M	2.21%	7
2026 Q1	–	Sell	-8,604	Closed	-$7.42M	–	184
2025 Q4	$7.42M	Buy	8,604 +130	+2%	+$118K	2.23%	8
2025 Q3	$7.84M	Buy	+8,474	New	+$8.12M	2.36%	6
2025 Q2	–	Sell	-8,066	Closed	-$7.63M	–	163
2025 Q1	$7.63M	Sell	8,066 -2,533	-24%	-$2.47M	2.53%	4
2024 Q4	$9.71M	Sell	10,599 -3,071	-22%	-$2.85M	2.62%	4
2024 Q3	$12.1M	Sell	13,670 -1,910	-12%	-$1.66M	2.95%	4
2024 Q2	$13.2M	Sell	15,580 -998	-6%	-$779K	3.49%	6
2024 Q1	$12.1M	Buy	+16,578	New	+$11.8M	3.09%	4
2023 Q4	–	Sell	-13,198	Closed	-$7.46M	–	210
2023 Q3	$7.46M	Buy	+13,198	New	+$7.28M	2.67%	8

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 $3.37T AUM 44.26% 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

DoubleLine ETF Adviser's COST Position: Q2 2026 in Review

DoubleLine ETF Adviser opened a new position in Costco (COST) in Q2 2026: 5,714 shares worth $5.35M. The stake represents 2.21% of the portfolio and ranks #7 among its holdings. This is a return to the name: DoubleLine ETF Adviser previously reported a position in COST as recently as Q4 2025.

DoubleLine ETF Adviser first reported a position in COST in Q3 2023 and has held it in 9 quarters since. The position peaked at $13.2M in Q2 2024. 4,238 funds tracked by Wall St. Rank hold COST as of Q2 2026.

DoubleLine ETF Adviser held 5,714 shares of Costco worth $5.35M as of Q2 2026.
Costco was a new DoubleLine ETF Adviser position in Q2 2026.
Costco made up 2.21% of DoubleLine ETF Adviser's portfolio in Q2 2026, its #7 holding.
DoubleLine ETF Adviser first reported a position in Costco in Q3 2023 and has held it in 9 quarters since.
DoubleLine ETF Adviser's Costco position peaked at $13.2M in Q2 2024.
4,238 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on DoubleLine ETF Adviser's 13F filing for Q2 2026, filed 14 Aug 2026.