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MARINER INVESTMENT GROUP LLC: SPY position timeline

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

MARINER INVESTMENT GROUP LLC held 76,475 SPY shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 76,475 shares
    Change vs previous 13F +76,475 shares

    13.4% of the 13F portfolio, value $57,109,236.

    13F-HR 0001096978-26-000006 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).

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F 0 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.

  3. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -38,422 shares

    0% of the 13F portfolio, value $0.

    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).

  4. period ended2025-09-30
    13F 38,422 shares
    Change vs previous 13F -90,944 shares

    7.91% of the 13F portfolio, value $25,595,968.

    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).

  5. period ended2025-06-30
    13F 129,366 shares
    Change vs previous 13F -44,826 shares

    28.88% of the 13F portfolio, value $79,928,783.

    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).

  6. period ended2025-03-31
    13F 174,192 shares
    Change vs previous 13F -585,486 shares

    38.5% of the 13F portfolio, value $97,441,263.

    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).

  7. period ended2024-12-31
    13F 759,678 shares
    Change vs previous 13F +319,731 shares

    88.45% of the 13F portfolio, value $445,232,082.

    13F-HR 0001085146-25-000405 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).

  8. period ended2024-09-30
    13F 439,947 shares
    Change vs previous 13F not available

    68.19% of the 13F portfolio, value $252,423,991.

    13F-HR 0001085146-24-005201 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).