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MARINER INVESTMENT GROUP LLC: JFR position timeline

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

MARINER INVESTMENT GROUP LLC held 0 JFR 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 -633,488 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 633,488 shares
    Change vs previous 13F -1,623,706 shares

    0.29% of the 13F portfolio, value $4,960,211.

    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 2,257,194 shares
    Change vs previous 13F -1,702,350 shares

    5.71% of the 13F portfolio, value $18,463,847.

    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 3,959,544 shares
    Change vs previous 13F -830,456 shares

    12.12% of the 13F portfolio, value $33,537,338.

    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).

  5. period ended2025-03-31
    13F 4,790,000 shares
    Change vs previous 13F not available

    16.03% of the 13F portfolio, value $40,571,300.

    13F-HR 0001085146-25-002607 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).