Bosun Asset Management’s Costco COST Stock Holding History

Bosun 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	$329K	Hold	330	–	–	0.18%	56
2025 Q4	$285K	Buy	330 +5	+2%	+$4.53K	0.14%	65
2025 Q3	$301K	Sell	325 -100	-24%	-$95.9K	0.15%	57
2025 Q2	$421K	Sell	425 -200	-32%	-$199K	0.13%	151
2025 Q1	$592K	Sell	625 -11	-2%	-$10.7K	0.25%	105
2024 Q4	$583K	Buy	636 +10	+2%	+$9.28K	0.25%	112
2024 Q3	$555K	Sell	626 -2	-0.3%	-$1.74K	0.26%	106
2024 Q2	$534K	Sell	628 -166	-21%	-$130K	0.32%	85
2024 Q1	$582K	Sell	794 -19	-2%	-$13.6K	0.33%	104
2023 Q4	$537K	Sell	813 -212	-21%	-$126K	0.53%	53
2023 Q3	$579K	Sell	1,025 -83	-7%	-$45.8K	0.63%	44
2023 Q2	$596K	Buy	+1,108	New	+$561K	0.58%	43

Other funds holding COST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

Bosun Asset Management held its Costco (COST) position steady in Q1 2026 at 330 shares worth $329K. The position accounts for 0.18% of the portfolio, ranked #56.

Bosun Asset Management first reported a position in COST in Q2 2023 and has held it in 12 quarters since. The position peaked at $596K in Q2 2023. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Bosun Asset Management held 330 shares of Costco worth $329K as of Q1 2026.
Bosun Asset Management left its Costco share count unchanged in Q1 2026.
Costco made up 0.18% of Bosun Asset Management's portfolio in Q1 2026, its #56 holding.
Bosun Asset Management first reported a position in Costco in Q2 2023 and has held it in 12 quarters since.
Bosun Asset Management's Costco position peaked at $596K in Q2 2023.
4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Bosun Asset Management's 13F filing for Q1 2026, filed 11 May 2026.