Mesirow Financial Investment Management, Inc.

Position in BX — Blackstone Inc.

CIK 1469475 CHICAGO, IL

Position in BX

as of Mar 31, 2026 · filed Apr 21, 2026 Compact

Position Value

$2,170,206

-$539,112 QoQ

Shares Held

18,873

+7.4% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

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

Financial Services · as of Mar 31, 2026

Mesirow Financial Investment Management, Inc. holds $52,559,364 across 19 Asset Management names. BX ranks #5 (4.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BLK	BlackRock, Inc.	22,875	$21,999,116
2	NTRS	Northern Trust Corp	99,578	$13,898,101
3	SOR	Source Capital /De/	75,349	$3,490,165
4	KKR	KKR & Co. Inc.	30,708	$2,840,490
5	BX	Blackstone Inc. This page	18,873	$2,170,206
6	EQH	Equitable Holdings, Inc.	34,146	$1,267,158
7	ARCC	Ares Capital Corp	68,302	$1,230,802
8	CSQ	Calamos Strategic Total Return Fund	60,954	$1,043,532

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,170,206	18,873	+7.4%	Shares	Sole	2026-04-21
2025-12-31	$2,709,318	17,577	+1.4%	Shares	Sole	2026-02-05
2025-09-30	$2,961,343	17,333	-7.3%	Shares	Sole	2025-11-12
2025-06-30	$2,796,547	18,696	-7.8%	Shares	Sole	2025-08-04
2025-03-31	$2,834,179	20,276	+2.8%	Shares	Sole	2025-05-08
2024-12-31	$3,399,605	19,717	-3.3%	Shares	Sole	2025-02-07
2024-09-30	$3,121,555	20,385	+5.5%	Shares	Sole	2024-11-01
2024-06-30	$2,391,568	19,318	-5.2%	Shares	Sole	2024-08-09
2024-03-31	$2,675,875	20,369	-1.2%	Shares	Sole	2024-04-25
2023-12-31	$2,699,701	20,621	—	Shares	Sole	2024-02-13
No filing history on record for this holder in this stock.