Millstreet Capital Management LLC — 13F Holdings & Portfolio

CIK 1590729 · latest 13F-HR filed 2026-08-14

Millstreet Capital Management LLC manages $368.1M in 13F-reported U.S. long-equity assets across 2 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are DBD (94.81%), DEC (5.19%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 0, and trimmed 2.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
545 BOYLSTON STREET, 8TH FLOOR
BOSTON, MA 02116
Phone
(617) 939-0033
Filing Manager
Millstreet Capital Management LLC
BOSTON, MA
Signatory
Janet Kastrud
Chief Compliance Officer
Loading holdings…
AUM

$368.1M

Long-equity book

Holdings

2

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+0 / −0 / ↑0 / ↓2

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0 →

Top Trims

  • DIEBOLD NIXDORF INC-$44.6M -11.3%
  • DIVERSIFIED ENERGY CO-$4.9M -20.5%
Show all 2 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • No exits this quarter.
Show all 0 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 DIEBOLD NIXDORF INC DBD 253651202 $349.0M 94.81% 4,104,432 SH
2 DIVERSIFIED ENERGY CO DEC 25520W107 $19.1M 5.19% 1,378,421 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $368.1M 2 0001590729-26-000008
2026-03-31 2026-05-15 $417.6M 2 0001590729-26-000005
2025-12-31 2026-02-17 $438.7M 3 0001590729-26-000004
2025-09-30 2025-11-14 $374.8M 2 0001590729-25-000010