Granite Bay Wealth Management’s Costco COST Stock Holding History

Granite Bay Wealth 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	$462K	Buy	464 +16	+4%	+$15.6K	0.1%	56
2025 Q4	$386K	Buy	448 +26	+6%	+$23.6K	0.09%	61
2025 Q3	$390K	Sell	422 -904	-68%	-$866K	0.1%	55
2025 Q2	$1.31M	Hold	1,326	–	–	0.42%	30
2025 Q1	$1.25M	Hold	1,326	–	–	0.44%	33
2024 Q4	$1.22M	Buy	1,326 +42	+3%	+$39K	0.45%	32
2024 Q3	$1.14M	Buy	1,284 +50	+4%	+$43.4K	0.64%	22
2024 Q2	$1.05M	Buy	1,234 +10	+0.8%	+$7.8K	0.56%	25
2024 Q1	$897K	Sell	1,224 -76,353	-98%	-$54.5M	0.51%	39
2023 Q4	$46M	Sell	77,577 -1,425	-2%	-$845K	0.41%	35
2023 Q3	$43.6M	Buy	79,002 +77,748	+6,200%	+$42.9M	0.43%	36
2023 Q2	$675K	Hold	1,254	–	–	0.63%	24
2023 Q1	$623K	Buy	+1,254	New	+$615K	0.44%	38

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

Granite Bay Wealth Management's COST Position: Q1 2026 in Review

Granite Bay Wealth Management increased its Costco (COST) stake by 3.6% in Q1 2026, buying an estimated $15.6K and bringing the position to 464 shares worth $462K. The position accounts for 0.1% of the portfolio, ranked #56.

Granite Bay Wealth Management first reported a position in COST in Q1 2023 and has held it in 13 quarters since. The position peaked at $46M in Q4 2023. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.

Granite Bay Wealth Management held 464 shares of Costco worth $462K as of Q1 2026.
Granite Bay Wealth Management bought 16 Costco shares in Q1 2026, an estimated $15.6K.
Costco made up 0.1% of Granite Bay Wealth Management's portfolio in Q1 2026, its #56 holding.
Granite Bay Wealth Management first reported a position in Costco in Q1 2023 and has held it in 13 quarters since.
Granite Bay Wealth Management's Costco position peaked at $46M in Q4 2023.
4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Granite Bay Wealth Management's 13F filing for Q1 2026, filed 1 May 2026.