OPPENHEIMER & CO INC

Position in RMM — RiverNorth Managed Duration Municipal Income Fund, Inc.

CIK 822581 NEW YORK, NY

Position in RMM

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$824,651

+$90,540 QoQ

Shares Held

55,780

+3.6% QoQ

Ownership

0.283%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#18

of 54 holders

Holding Since

Mar 2024

9 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

OPPENHEIMER & CO INC holds $257,562,361 across 186 Asset Management names. RMM ranks #69 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BX	Blackstone Inc.	160,749	$18,915,334
2	KKR	KKR & Co. Inc.	200,542	$18,405,744
3	HASI	HA Sustainable Infrastructure Capital, Inc.	274,133	$10,704,893
4	CG	Carlyle Group Inc.	218,691	$9,209,078
5	BLK	BlackRock, Inc.	9,356	$8,996,355
6	ARCC	Ares Capital Corp	472,826	$8,761,465
7	BSTZ	BlackRock Science & Technology Term Trust	257,568	$7,734,767
8	APO	Apollo Global Management, Inc.	53,791	$6,364,013

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$824,651	55,780	+3.6%	Shares	Sole	2026-08-03
2026-03-31	$734,111	53,860	+11.4%	Shares	Sole	2026-04-24
2025-12-31	$657,934	48,342	+25.9%	Shares	Sole	2026-02-02
2025-06-30	$515,024	38,406	+10.0%	Shares	Sole	2025-07-31
2025-03-31	$499,768	34,900	+38.5%	Shares	Sole	2025-04-23
2024-12-31	$363,258	25,200	+14.5%	Shares	Sole	2025-02-05
2024-09-30	$353,540	22,000	-6.8%	Shares	Sole	2024-11-05
2024-06-30	$360,136	23,600	0.0%	Shares	Sole	2024-08-08
2024-03-31	$353,292	23,600	—	Shares	Sole	2024-05-07
No filing history on record for this holder in this stock.