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Millstreet Capital Management LLC

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13F filer, CIK 1590729, BOSTON, MA

Millstreet Capital Management LLC reported $438,661,006 across 3 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001590729-26-000004

Period
2025-12-31
Reported value
$439M
Holdings
3
Top 10 weight
100%
New
1
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
DECnew+1,378,421$20M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
DBDreduced-251,726-$17.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001590729-26-000004, largest first. % of portfolio is the value over $438,661,006, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
DBDDIEBOLD NIXDORF INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,027,361 shares; 2024Q4: 6,027,361 shares; 2025Q1: 6,027,361 shares; 2025Q2: 6,027,361 shares; 2025Q3: 5,968,398 shares; 2025Q4: 5,716,672 shares 5,716,672$388M88.47%-251,726Timeline
CPSCOOPER-STANDARD HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 931,971 shares; 2024Q4: 931,971 shares; 2025Q1: 931,971 shares; 2025Q2: 931,971 shares; 2025Q3: 931,971 shares; 2025Q4: 931,971 shares 931,971$30.6M6.98%0Timeline
DECDIVERSIFIED ENERGY COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,378,421 shares 1,378,421$20M4.55%newTimeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001590729-26-000004 base2026-02-17acceptance time not in the bulk data set