ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in BX — Blackstone Inc.

CIK 1165408 Boston, MA

Position in BX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$70,235,892

-$30,987,846 QoQ

Shares Held

610,800

-7.0% QoQ

Ownership

0.082%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $545,929,962 across 18 Asset Management names. BX ranks #2 (12.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLK	BlackRock, Inc.	110,964	$106,715,188
2	BX	Blackstone Inc. This page	610,800	$70,235,892
3	STEP	StepStone Group Inc.	1,323,243	$63,145,155
4	KKR	KKR & Co. Inc.	615,000	$56,887,500
5	APO	Apollo Global Management, Inc.	370,000	$41,225,400
6	ARES	Ares Management Corp	373,800	$40,781,580
7	STT	State Street Corp	250,032	$31,644,049
8	AMP	Ameriprise Financial Inc	64,768	$28,782,899

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$70,235,892	610,800	-7.0%	Shares	Sole	2026-05-15
2025-12-31	$101,223,738	656,700	+0.7%	Shares	Sole	2026-02-17
2025-09-30	$111,445,455	652,300	+24.9%	Shares	Sole	2025-11-14
2025-06-30	$78,128,476	522,319	-14.0%	Shares	Sole	2025-08-14
2025-03-31	$84,944,306	607,700	+0.3%	Shares	Sole	2025-05-15
2024-12-31	$104,441,690	605,740	-7.6%	Shares	Sole	2025-02-14
2024-09-30	$100,422,654	655,800	+0.0%	Shares	Sole	2024-11-14
2024-06-30	$81,150,900	655,500	-5.5%	Shares	Sole	2024-08-14
2024-03-31	$91,118,232	693,600	+0.5%	Shares	Sole	2024-05-15
2023-12-31	$90,360,984	690,200	-2.2%	Shares	Sole	2024-02-14
2023-09-30	$75,608,698	705,700	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.