Madrid Financial Services’s Costco COST Stock Holding History

Madrid Financial 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	-260	Closed	-$241K	–	22
2025 Q3	$241K	Buy	260 +30	+13%	+$28.8K	0.15%	23
2025 Q2	$228K	Buy	+230	New	+$229K	0.15%	22

Other funds holding COST

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Madrid Financial Services's COST Position: Q4 2025 in Review

Madrid Financial Services sold out of Costco (COST) in Q4 2025, closing a stake of 260 shares — an estimated $241K sold.

Madrid Financial Services first reported a position in COST in Q2 2025 and held it in 2 quarters. The position peaked at $241K in Q3 2025. 4,123 funds tracked by Wall St. Rank hold COST as of Q4 2025.

Madrid Financial Services reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
Madrid Financial Services sold 260 Costco shares in Q4 2025, an estimated $241K.
Madrid Financial Services first reported a position in Costco in Q2 2025 and held it in 2 quarters.
Madrid Financial Services's Costco position peaked at $241K in Q3 2025.
4,123 funds tracked by Wall St. Rank held Costco as of Q4 2025.

Based on Madrid Financial Services's 13F filing for Q4 2025, filed 18 Aug 2026.