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Bronte Capital Management Pty Ltd.: REGN position timeline

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

Bronte Capital Management Pty Ltd. held 162,618 REGN 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 162,618 shares
    Change vs previous 13F -10,169 shares

    11.41% of the 13F portfolio, value $101,398,828.

    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 172,787 shares
    Change vs previous 13F -3,981 shares

    14.19% of the 13F portfolio, value $133,502,148.

    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 176,768 shares
    Change vs previous 13F -3,515 shares

    14.26% of the 13F portfolio, value $136,441,916.

    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 180,283 shares
    Change vs previous 13F -7,587 shares

    10.2% of the 13F portfolio, value $113,280,721.

    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 187,870 shares
    Change vs previous 13F +33,177 shares

    8.73% of the 13F portfolio, value $111,075,478.

    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 154,693 shares
    Change vs previous 13F +1,910 shares

    9.33% of the 13F portfolio, value $114,790,325.

    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 152,783 shares
    Change vs previous 13F +15,741 shares

    10.09% of the 13F portfolio, value $127,838,251.

    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 137,042 shares
    Change vs previous 13F not available

    11.71% of the 13F portfolio, value $144,064,032.

    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).