Castleark Management’s Blackstone BX Stock Holding History

Castleark Management’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	-244,268	Closed	-$37.7M	–	301
2025 Q4	$37.7M	Buy	244,268 +5,094	+2%	+$774K	1.11%	20
2025 Q3	$40.9M	Buy	239,174 +31,280	+15%	+$5.36M	1.15%	20
2025 Q2	$31.1M	Sell	207,894 -178,772	-46%	-$24.6M	0.93%	25
2025 Q1	$54M	Sell	386,666 -30,354	-7%	-$4.93M	1.87%	17
2024 Q4	$71.9M	Sell	417,020 -23,600	-5%	-$4.11M	2.51%	8
2024 Q3	$67.5M	Buy	+440,620	New	+$61.1M	2.75%	7
2019 Q4	–	Sell	-457,050	Closed	-$22.3M	–	346
2019 Q3	$22.3M	Buy	+457,050	New	+$22.3M	0.91%	24

Other funds holding BX

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Castleark Management's BX Position: Q1 2026 in Review

Castleark Management sold out of Blackstone (BX) in Q1 2026, closing a stake of 244,268 shares — an estimated $37.7M sold.

Castleark Management first reported a position in BX in Q3 2019 and held it in 7 quarters. The position peaked at $71.9M in Q4 2024. 2,125 funds tracked by Wall St. Rank hold BX as of Q1 2026.

Castleark Management reported no remaining Blackstone position as of Q1 2026 after selling out during the quarter.
Castleark Management sold 244,268 Blackstone shares in Q1 2026, an estimated $37.7M.
Castleark Management first reported a position in Blackstone in Q3 2019 and held it in 7 quarters.
Castleark Management's Blackstone position peaked at $71.9M in Q4 2024.
2,125 funds tracked by Wall St. Rank held Blackstone as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.