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ALPINE ASSOCIATES MANAGEMENT INC.: SEM position timeline

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

ALPINE ASSOCIATES MANAGEMENT INC. held 1,304,404 SEM 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 1,304,404 shares
    Change vs previous 13F +127,704 shares

    1.35% of the 13F portfolio, value $21,535,710.

    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 1,176,700 shares
    Change vs previous 13F not available

    1.13% of the 13F portfolio, value $19,168,443.

    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).