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ALPINE ASSOCIATES MANAGEMENT INC.: JHG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALPINE ASSOCIATES MANAGEMENT INC. on JHG, newest first. How the timeline and the estimate are built.

ALPINE ASSOCIATES MANAGEMENT INC. held 587,894 JHG shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 587,894 shares
    Change vs previous 13F -2,682 shares

    1.91% of the 13F portfolio, value $30,570,488.

    13F-HR 0001172661-26-003115 filed by ALPINE ASSOCIATES MANAGEMENT INC.
    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 590,576 shares
    Change vs previous 13F +330,534 shares

    1.79% of the 13F portfolio, value $30,337,890.

    13F-HR 0001396835-26-000004 filed by ALPINE ASSOCIATES MANAGEMENT INC.
    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 260,042 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $12,370,199.

    13F-HR 0001396835-26-000002 filed by ALPINE ASSOCIATES MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

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