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ALPINE ASSOCIATES MANAGEMENT INC.: NSC position timeline

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

ALPINE ASSOCIATES MANAGEMENT INC. held 461,655 NSC 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 461,655 shares
    Change vs previous 13F -2,800 shares

    9.09% of the 13F portfolio, value $145,232,046.

    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 464,455 shares
    Change vs previous 13F -3,700 shares

    7.86% of the 13F portfolio, value $133,298,585.

    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 468,155 shares
    Change vs previous 13F -34,455 shares

    9.1% of the 13F portfolio, value $135,165,712.

    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).

  4. period ended2025-09-30
    13F 502,610 shares
    Change vs previous 13F not available

    9.2% of the 13F portfolio, value $150,989,072.

    13F-HR 0001396835-25-000014 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).