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Bronte Capital Management Pty Ltd.: GHC position timeline

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

Bronte Capital Management Pty Ltd. held 11,454 GHC shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,454 shares
    Change vs previous 13F -1,331 shares

    1.47% of the 13F portfolio, value $13,073,825.

    13F-HR 0001471085-26-000004 filed by Bronte Capital Management Pty Ltd.
    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 12,785 shares
    Change vs previous 13F -570 shares

    1.44% of the 13F portfolio, value $13,517,069.

    13F-HR 0001471085-26-000002 filed by Bronte Capital Management Pty Ltd.
    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 13,355 shares
    Change vs previous 13F -42 shares

    1.53% of the 13F portfolio, value $14,671,803.

    13F-HR 0001471085-26-000001 filed by Bronte Capital Management Pty Ltd.
    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 13,397 shares
    Change vs previous 13F -5,147 shares

    1.59% of the 13F portfolio, value $17,625,777.

    13F-HR 0001471085-25-000008 filed by Bronte Capital Management Pty Ltd.
    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 18,544 shares
    Change vs previous 13F +2,302 shares

    1.55% of the 13F portfolio, value $19,756,813.

    13F-HR 0001471085-25-000005 filed by Bronte Capital Management Pty Ltd.
    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 16,242 shares
    Change vs previous 13F -134 shares

    1.48% of the 13F portfolio, value $18,256,463.

    13F-HR 0001471085-25-000003 filed by Bronte Capital Management Pty Ltd.
    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 16,376 shares
    Change vs previous 13F -3,081 shares

    1.32% of the 13F portfolio, value $16,743,480.

    13F-HR 0001471085-25-000001 filed by Bronte Capital Management Pty Ltd.
    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 19,457 shares
    Change vs previous 13F not available

    1.3% of the 13F portfolio, value $15,988,206.

    13F-HR 0001471085-24-000014 filed by Bronte Capital Management Pty Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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