Bluesphere Advisors’s Costco COST Stock Holding History

Bluesphere Advisors’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	-420	Closed	-$388K	–	100
2025 Q3	$388K	Hold	420	–	–	0.18%	71
2025 Q2	$415K	Buy	420 +2	+0.5%	+$1.99K	0.21%	59
2025 Q1	$395K	Buy	+418	New	+$408K	0.23%	54

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

Bluesphere Advisors's COST Position: Q4 2025 in Review

Bluesphere Advisors sold out of Costco (COST) in Q4 2025, closing a stake of 420 shares — an estimated $388K sold.

Bluesphere Advisors first reported a position in COST in Q1 2025 and held it in 3 quarters. The position peaked at $415K in Q2 2025. 4,114 funds tracked by Wall St. Rank hold COST as of Q4 2025.

Bluesphere Advisors reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
Bluesphere Advisors sold 420 Costco shares in Q4 2025, an estimated $388K.
Bluesphere Advisors first reported a position in Costco in Q1 2025 and held it in 3 quarters.
Bluesphere Advisors's Costco position peaked at $415K in Q2 2025.
4,114 funds tracked by Wall St. Rank held Costco as of Q4 2025.

Based on Bluesphere Advisors's 13F filing for Q4 2025, filed 21 Jan 2026.