Ostrum Asset Management’s Blackstone BX Stock Holding History

Ostrum Asset 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	$268K	Buy	2,333 +878	+60%	+$114K	0.02%	463
2025 Q4	$224K	Sell	1,455 -482	-25%	-$73.2K	0.01%	447
2025 Q3	$331K	Sell	1,937 -60	-3%	-$10.3K	0.01%	443
2025 Q2	$299K	Sell	1,997 -57	-3%	-$7.83K	0.01%	459
2025 Q1	$287K	Sell	2,054 -54	-3%	-$8.77K	0.02%	468
2024 Q4	$363K	Buy	2,108 +1,109	+111%	+$193K	0.03%	436
2024 Q3	$153K	Buy	999 +13	+1%	+$1.8K	0.01%	517
2024 Q2	$122K	Sell	986 -77	-7%	-$9.47K	0.01%	561
2024 Q1	$140K	Hold	1,063	–	–	0.01%	574
2023 Q4	$139K	Sell	1,063 -1,684	-61%	-$182K	0.01%	556
2023 Q3	$294K	Sell	2,747 -19	-0.7%	-$1.98K	0.03%	505
2023 Q2	$257K	Buy	2,766 +3	+0.1%	+$259	0.02%	513
2023 Q1	$243K	Buy	+2,763	New	+$244K	0.02%	513

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

Ostrum Asset Management's BX Position: Q1 2026 in Review

Ostrum Asset Management increased its Blackstone (BX) stake by 60% in Q1 2026, buying an estimated $114K and bringing the position to 2,333 shares worth $268K. The position accounts for 0.02% of the portfolio, ranked #463.

Ostrum Asset Management first reported a position in BX in Q1 2023 and has held it in 13 quarters since. The position peaked at $363K in Q4 2024. 2,125 funds tracked by Wall St. Rank hold BX as of Q1 2026.

Ostrum Asset Management held 2,333 shares of Blackstone worth $268K as of Q1 2026.
Ostrum Asset Management bought 878 Blackstone shares in Q1 2026, an estimated $114K.
Blackstone made up 0.02% of Ostrum Asset Management's portfolio in Q1 2026, its #463 holding.
Ostrum Asset Management first reported a position in Blackstone in Q1 2023 and has held it in 13 quarters since.
Ostrum Asset Management's Blackstone position peaked at $363K in Q4 2024.
2,125 funds tracked by Wall St. Rank held Blackstone as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.