Millstreet Capital Management LLC

BOSTON, MA · CIK 1590729 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2012 · limited liability company

Assets managed$5.8bn
Staff14 · 5 in investment roles
Main clients (by assets)Private funds 89%
Private funds1 (1 hedge) · $5.2bn gross assets
Websitemillstreet.com
Form ADV · 2026-03-30SEC adviser record

Legal entityMILLSTREET CAPITAL MANAGEMENT LLC (US)

$368.1m reported value -11.9% vs Q1 2026

2positions

100.0%in top 10

0 new 0 added 1 reduced 0 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	DIEBOLD NIXDORF INC COM SHS DBD	DBD	4,104,432	$349.0m94.81%	94.81%	Reduced -1.1m	-1,112,240 -21.3%
2	DIVERSIFIED ENERGY CO COMMON STOCK DEC	DEC	1,378,421	$19.1m5.19%	5.19%	Unchanged

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
DIEBOLD NIXDORF INC DBD · 13D · filed 2026-04-17	DBD	13.4%≈ $400.0m	-1.2 pts	13D	2026-04-17
ASCEND WELLNESS HOLDINGS INC CL A AAWH · 13G · filed 2025-01-08	AAWH	10.9%		13G	2025-01-08

Trades reported as a company insider since 1 Apr 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

Date	Company	Ticker	Trade	Shares	Value	Their holding
2026-06-26	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	100,000	$8.5m100.0k shares	-2%
2026-06-25	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	2,741	$233.1k2.7k shares	-<1%
2026-06-24	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	228,723	$19.2m228.7k shares	-5%
2026-06-15	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	1,765	$148.1k1.8k shares	-<1%
2026-06-12	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	159,675	$13.1m159.7k shares	-4%
2026-06-11	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	1,108	$90.9k1.1k shares	-<1%
2026-06-10	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	17,660	$1.4m17.7k shares	-<1%
2026-06-08	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	88,334	$7.3m88.3k shares	-2%
2026-04-16	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	60,833	$5.2m60.8k shares	-1%
2026-04-15	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	51,472	$4.4m51.5k shares	-1%
2026-04-08	DIEBOLD NIXDORF INC 10% owner · See Footnote	DBD	Sold	399,929	$33.0m399.9k shares	-8%