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Callodine Capital Management, LP: GSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Callodine Capital Management, LP on GSK, newest first. How the timeline and the estimate are built.

Callodine Capital Management, LP held 979,740 GSK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 979,740 shares
    Change vs previous 13F -279,737 shares

    3.38% of the 13F portfolio, value $51,357,971.

    13F-HR 0001741675-26-000004 filed by Callodine Capital Management, LP
    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 1,259,477 shares
    Change vs previous 13F +255,150 shares

    4.9% of the 13F portfolio, value $69,510,536.

    13F-HR 0001741675-26-000003 filed by Callodine Capital Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 1,004,327 shares
    Change vs previous 13F +302,276 shares

    3.96% of the 13F portfolio, value $49,252,196.

    13F-HR 0001741675-26-000002 filed by Callodine Capital Management, LP
    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 702,051 shares
    Change vs previous 13F +103,532 shares

    2.65% of the 13F portfolio, value $30,300,521.

    13F-HR 0001741675-25-000005 filed by Callodine Capital Management, LP
    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 598,519 shares
    Change vs previous 13F +28,519 shares

    2.38% of the 13F portfolio, value $22,983,130.

    13F-HR 0001085146-25-005015 filed by Callodine Capital Management, LP
    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 570,000 shares
    Change vs previous 13F -130,000 shares

    3.67% of the 13F portfolio, value $22,081,800.

    13F-HR 0001085146-25-003152 filed by Callodine Capital Management, LP
    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 700,000 shares
    Change vs previous 13F +95,000 shares

    4.89% of the 13F portfolio, value $23,674,000.

    13F-HR 0001085146-25-001309 filed by Callodine Capital Management, LP
    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 605,000 shares
    Change vs previous 13F not available

    5.16% of the 13F portfolio, value $24,732,400.

    13F-HR 0001085146-24-005620 filed by Callodine Capital Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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