William John Sempolinski’s Blackstone BX Stock Holding History

William John Sempolinski’s Portfolio BX Stock Details BX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-13,075	Closed	-$2.02M	–	95
2025 Q4	$2.02M	Buy	+13,075	New	+$1.99M	0.99%	25

Other funds holding BX

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

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

William John Sempolinski's BX Position: Q1 2026 in Review

William John Sempolinski sold out of Blackstone (BX) in Q1 2026, closing a stake of 13,075 shares — an estimated $2.02M sold.

William John Sempolinski first reported a position in BX in Q4 2025 and held it in 1 quarter. The position peaked at $2.02M in Q4 2025. 2,138 funds tracked by Wall St. Rank hold BX as of Q1 2026.

William John Sempolinski reported no remaining Blackstone position as of Q1 2026 after selling out during the quarter.
William John Sempolinski sold 13,075 Blackstone shares in Q1 2026, an estimated $2.02M.
William John Sempolinski first reported a position in Blackstone in Q4 2025 and held it in 1 quarter.
William John Sempolinski's Blackstone position peaked at $2.02M in Q4 2025.
2,138 funds tracked by Wall St. Rank held Blackstone as of Q1 2026.

Based on William John Sempolinski's 13F filing for Q1 2026, filed 26 Aug 2026.