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IRIDIAN ASSET MANAGEMENT LLC/CT: Z position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of IRIDIAN ASSET MANAGEMENT LLC/CT on Z, newest first. How the timeline and the estimate are built.

IRIDIAN ASSET MANAGEMENT LLC/CT held 17,013 Z shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,013 shares
    Change vs previous 13F -1,027 shares

    0.18% of the 13F portfolio, value $536,250.

    13F-HR 0001033427-26-000010 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 18,040 shares
    Change vs previous 13F +14,358 shares

    0.3% of the 13F portfolio, value $746,495.

    13F-HR 0001033427-26-000004 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 3,682 shares
    Change vs previous 13F -270 shares

    0.09% of the 13F portfolio, value $251,186.

    13F-HR 0001033427-26-000003 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 3,952 shares
    Change vs previous 13F -619 shares

    0.12% of the 13F portfolio, value $304,502.

    13F-HR 0001033427-25-000014 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 4,571 shares
    Change vs previous 13F -1,245 shares

    0.11% of the 13F portfolio, value $320,199.

    13F-HR 0001033427-25-000012 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 5,816 shares
    Change vs previous 13F -350 shares

    0.13% of the 13F portfolio, value $398,745.

    13F-HR 0001033427-25-000003 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 6,166 shares
    Change vs previous 13F -120 shares

    0.12% of the 13F portfolio, value $456,592.

    13F-HR 0001033427-25-000002 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    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 6,286 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $401,361.

    13F-HR 0001033427-24-000009 filed by IRIDIAN ASSET MANAGEMENT LLC/CT
    Filed (acceptance time not in the bulk data set), ingested

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