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Disclosery

Janus Henderson: ARMK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on ARMK, newest first. How the timeline and the estimate are built.

Janus Henderson held 18,302,356 ARMK 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 18,302,356 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.42% of the 13F portfolio, value $1,041,406,998.

    13F-HR 0001085146-26-000611 filed by Jupiter Topco LLC
    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/A 17,984,812 shares
    Change vs previous 13F -211,089 shares

    0.35% of the 13F portfolio, value $729,104,278.

    13F-HR/A 0001085146-26-000420 filed by JANUS HENDERSON GROUP PLC
    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 18,195,901 shares
    Change vs previous 13F +128,199 shares

    0.3% of the 13F portfolio, value $670,702,113.

    13F-HR 0001085146-26-000226 filed by JANUS HENDERSON GROUP PLC
    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 18,067,702 shares
    Change vs previous 13F +104,103 shares

    0.32% of the 13F portfolio, value $693,799,757.

    13F-HR 0001085146-25-005993 filed by JANUS HENDERSON GROUP PLC
    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 17,963,599 shares
    Change vs previous 13F +1,437,390 shares

    0.37% of the 13F portfolio, value $752,134,137.

    13F-HR 0001085146-25-005104 filed by JANUS HENDERSON GROUP PLC
    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 16,526,209 shares
    Change vs previous 13F +257,527 shares

    0.31% of the 13F portfolio, value $565,194,685.

    13F-HR 0001085146-25-003208 filed by JANUS HENDERSON GROUP PLC
    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 16,268,682 shares
    Change vs previous 13F +554,239 shares

    0.31% of the 13F portfolio, value $606,986,252.

    13F-HR 0001085146-25-001531 filed by JANUS HENDERSON GROUP PLC
    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 15,714,443 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $608,618,603.

    13F-HR 0001085146-24-005765 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

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