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Disclosery

Starboard Value LP: HR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Starboard Value LP on HR, newest first. How the timeline and the estimate are built.

Starboard Value LP held 1,936,267 HR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,936,267 shares
    Change vs previous 13F -4,885,000 shares

    0.86% of the 13F portfolio, value $39,054,505.

    13F-HR 0000921895-26-002172 filed by Starboard Value LP
    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 6,821,267 shares
    Change vs previous 13F -5,778,733 shares

    2.54% of the 13F portfolio, value $115,893,326.

    13F-HR 0000921895-26-001402 filed by Starboard Value LP
    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 12,600,000 shares
    Change vs previous 13F -1,890,036 shares

    4.05% of the 13F portfolio, value $213,570,000.

    13F-HR 0000921895-26-000450 filed by Starboard Value LP
    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 14,490,036 shares
    Change vs previous 13F -4,800,636 shares

    4.92% of the 13F portfolio, value $261,255,349.

    13F-HR 0000921895-25-003099 filed by Starboard Value LP
    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 19,290,672 shares
    Change vs previous 13F -781,328 shares

    5.3% of the 13F portfolio, value $305,950,058.

    13F-HR 0000921895-25-002289 filed by Starboard Value LP
    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 20,072,000 shares
    Change vs previous 13F -111,460 shares

    6.17% of the 13F portfolio, value $339,216,800.

    13F-HR 0000921895-25-001532 filed by Starboard Value LP
    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 20,183,460 shares
    Change vs previous 13F not available

    6.19% of the 13F portfolio, value $342,109,647.

    13F-HR 0000921895-25-000464 filed by Starboard Value LP
    Filed (acceptance time not in the bulk data set), ingested

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