Blackstone Inc’s Costco COST Stock Holding History

Blackstone Inc’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	-882	Closed	-$816K	–	264
2025 Q3	$816K	Buy	+882	New	+$845K	﹤0.01%	217

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

Blackstone Inc's COST Position: Q4 2025 in Review

Blackstone Inc sold out of Costco (COST) in Q4 2025, closing a stake of 882 shares — an estimated $816K sold.

Blackstone Inc first reported a position in COST in Q3 2025 and held it in 1 quarter. The position peaked at $816K in Q3 2025. 4,126 funds tracked by Wall St. Rank hold COST as of Q4 2025.

Blackstone Inc reported no remaining Costco position as of Q4 2025 after selling out during the quarter.
Blackstone Inc sold 882 Costco shares in Q4 2025, an estimated $816K.
Blackstone Inc first reported a position in Costco in Q3 2025 and held it in 1 quarter.
Blackstone Inc's Costco position peaked at $816K in Q3 2025.
4,126 funds tracked by Wall St. Rank held Costco as of Q4 2025.

Based on Blackstone Inc's 13F filing for Q4 2025, filed 17 Feb 2026.