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MARINER INVESTMENT GROUP LLC: DUK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARINER INVESTMENT GROUP LLC on DUK, newest first. How the timeline and the estimate are built.

MARINER INVESTMENT GROUP LLC held 0 DUK shares at 2026-03-31 per its 13F-HR filed 2026-05-05.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -51,250 shares

    13F-HR 0001096978-26-000005 filed by MARINER INVESTMENT GROUP LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 51,250 shares
    Change vs previous 13F +11,250 shares

    0.35% of the 13F portfolio, value $6,007,013.

    13F-HR 0001096978-26-000004 filed by MARINER INVESTMENT GROUP LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-09-30
    13F 40,000 shares
    Change vs previous 13F -10,000 shares

    1.53% of the 13F portfolio, value $4,950,000.

    13F-HR 0001096978-25-000008 filed by MARINER INVESTMENT GROUP LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-06-30
    13F 50,000 shares
    Change vs previous 13F not available

    2.13% of the 13F portfolio, value $5,900,000.

    13F-HR 0001085146-25-003883 filed by MARINER INVESTMENT GROUP LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).