Beirne Wealth Consulting Services’s Costco COST Stock Holding History

Beirne Wealth Consulting Services’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
2025 Q4	–	Sell	-503	Closed	-$466K	–	136
2025 Q3	$466K	Buy	+503	New	+$482K	0.11%	107
2024 Q1	–	Sell	-340	Closed	-$230K	–	109
2023 Q4	$230K	Buy	+340	New	+$202K	0.11%	128
2021 Q1	–	Sell	-811	Closed	-$306K	–	127
2020 Q4	$306K	Buy	811 +116	+17%	+$43.3K	0.15%	105
2020 Q3	$247K	Buy	+695	New	+$234K	0.14%	114

Other funds holding COST

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

Norges Bank Oslo, Norway $935B AUM

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Beirne Wealth Consulting Services's COST Position: Q4 2025 in Review

Beirne Wealth Consulting Services sold out of Costco (COST) in Q4 2025, closing a stake of 503 shares — an estimated $466K sold.

Beirne Wealth Consulting Services first reported a position in COST in Q3 2020 and held it in 4 quarters. The position peaked at $466K in Q3 2025. 4,117 funds tracked by Wall St. Rank hold COST as of Q4 2025.

Beirne Wealth Consulting Services reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
Beirne Wealth Consulting Services sold 503 Costco shares in Q4 2025, an estimated $466K.
Beirne Wealth Consulting Services first reported a position in Costco in Q3 2020 and held it in 4 quarters.
Beirne Wealth Consulting Services's Costco position peaked at $466K in Q3 2025.
4,117 funds tracked by Wall St. Rank held Costco as of Q4 2025.

Based on Beirne Wealth Consulting Services's 13F filing for Q4 2025, filed 29 Jan 2026.