Boomfish Wealth Group’s Costco COST Stock Holding History

Boomfish Wealth Group’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 Q3	$560K	Sell	615 -12	-2%	-$11.2K	0.24%	73
2026 Q2	$586K	Buy	627 +30	+5%	+$29.9K	0.27%	71
2026 Q1	$595K	Sell	597 -98	-14%	-$95.5K	0.32%	68
2025 Q4	$599K	Sell	695 -324	-32%	-$294K	0.32%	70
2025 Q3	$943K	Sell	1,019 -90	-8%	-$86.3K	0.51%	66
2025 Q2	$1.1M	Buy	1,109 +467	+73%	+$464K	0.63%	57
2025 Q1	$607K	Sell	642 -65	-9%	-$63.4K	0.39%	66
2024 Q4	$648K	Sell	707 -90	-11%	-$83.5K	0.39%	71
2024 Q3	$707K	Sell	797 -2,687	-77%	-$2.33M	0.43%	75
2024 Q2	$2.96M	Sell	3,484 -243	-7%	-$190K	1.91%	8
2024 Q1	$2.73M	Sell	3,727 -289	-7%	-$206K	1.84%	10
2023 Q4	$2.65M	Buy	+4,016	New	+$2.38M	1.91%	11

Other funds holding COST

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Boomfish Wealth Group's COST Position: Q3 2026 in Review

Boomfish Wealth Group reduced its Costco (COST) stake by 1.9% in Q3 2026, selling an estimated $11.2K and leaving 615 shares worth $560K. The position accounts for 0.24% of the portfolio, ranked #73.

Boomfish Wealth Group first reported a position in COST in Q4 2023 and has held it in 12 quarters since. The position peaked at $2.96M in Q2 2024. 3,744 funds tracked by Wall St. Rank hold COST as of Q3 2026.

Boomfish Wealth Group held 615 shares of Costco worth $560K as of Q3 2026.
Boomfish Wealth Group sold 12 Costco shares in Q3 2026, an estimated $11.2K.
Costco made up 0.24% of Boomfish Wealth Group's portfolio in Q3 2026, its #73 holding.
Boomfish Wealth Group first reported a position in Costco in Q4 2023 and has held it in 12 quarters since.
Boomfish Wealth Group's Costco position peaked at $2.96M in Q2 2024.
3,744 funds tracked by Wall St. Rank held Costco as of Q3 2026.

Based on Boomfish Wealth Group's 13F filing for Q3 2026, filed 22 Oct 2026.