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Janus Henderson: MAA position timeline

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

Janus Henderson held 345,960 MAA 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 345,960 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.02% of the 13F portfolio, value $48,069,290.

    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 361,577 shares
    Change vs previous 13F -315,779 shares

    0.02% of the 13F portfolio, value $44,148,951.

    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 677,356 shares
    Change vs previous 13F +301,816 shares

    0.04% of the 13F portfolio, value $94,102,144.

    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 375,540 shares
    Change vs previous 13F -91,216 shares

    0.02% of the 13F portfolio, value $52,473,864.

    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 466,756 shares
    Change vs previous 13F +126,289 shares

    0.03% of the 13F portfolio, value $69,083,945.

    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 340,467 shares
    Change vs previous 13F +325,352 shares

    0.03% of the 13F portfolio, value $56,483,405.

    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 15,115 shares
    Change vs previous 13F -13,798 shares

    <0.01% of the 13F portfolio, value $2,336,023.

    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 28,913 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,594,198.

    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).