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MARINER INVESTMENT GROUP LLC: GLW position timeline

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

MARINER INVESTMENT GROUP LLC held 14,000 GLW 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 14,000 shares
    Change vs previous 13F +14,000 shares

    0.84% of the 13F portfolio, value $3,576,020.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -80,000 shares

    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).

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

  3. period ended2025-06-30
    13F 80,000 shares
    Change vs previous 13F +20,000 shares

    1.52% of the 13F portfolio, value $4,207,200.

    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).

  4. period ended2025-03-31
    13F 60,000 shares
    Change vs previous 13F +5,000 shares

    1.09% of the 13F portfolio, value $2,746,800.

    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).

  5. period ended2024-12-31
    13F 55,000 shares
    Change vs previous 13F +35,000 shares

    0.52% of the 13F portfolio, value $2,613,600.

    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).

  6. period ended2024-09-30
    13F 20,000 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $903,000.

    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).