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Disclosery

Bronte Capital Management Pty Ltd.: B position timeline

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

Bronte Capital Management Pty Ltd. held 146,359 B 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 146,359 shares
    Change vs previous 13F -12,382 shares

    0.61% of the 13F portfolio, value $5,375,766.

    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 158,741 shares
    Change vs previous 13F -6,115 shares

    0.69% of the 13F portfolio, value $6,475,045.

    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 164,856 shares
    Change vs previous 13F -48,213 shares

    0.75% of the 13F portfolio, value $7,179,479.

    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 213,069 shares
    Change vs previous 13F -15,524 shares

    0.7% of the 13F portfolio, value $7,802,688.

    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 228,593 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $5,342,415.

    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).