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Disclosery

Magellan Asset Management Ltd: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Magellan Asset Management Ltd on AMT, newest first. How the timeline and the estimate are built.

Magellan Asset Management Ltd held 1,406,263 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,406,263 shares
    Change vs previous 13F -97,033 shares

    5.14% of the 13F portfolio, value $230,022,439.

    13F-HR 0001536105-26-000006 filed by Magellan Asset Management Ltd
    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 1,503,296 shares
    Change vs previous 13F +431,517 shares

    3.37% of the 13F portfolio, value $259,438,824.

    13F-HR 0001536105-26-000005 filed by Magellan Asset Management Ltd
    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 1,071,779 shares
    Change vs previous 13F +66,628 shares

    2.29% of the 13F portfolio, value $188,172,239.

    13F-HR 0001536105-26-000004 filed by Magellan Asset Management Ltd
    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 1,005,151 shares
    Change vs previous 13F +167,870 shares

    2.29% of the 13F portfolio, value $193,310,640.

    13F-HR 0001536105-25-000008 filed by Magellan Asset Management Ltd
    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 837,281 shares
    Change vs previous 13F -58,166 shares

    2.12% of the 13F portfolio, value $185,055,847.

    13F-HR 0001085146-25-004607 filed by Magellan Asset Management Ltd
    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 895,447 shares
    Change vs previous 13F -98,130 shares

    2.37% of the 13F portfolio, value $194,849,267.

    13F-HR 0001085146-25-002952 filed by Magellan Asset Management Ltd
    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 993,577 shares
    Change vs previous 13F not available

    2% of the 13F portfolio, value $182,231,958.

    13F-HR 0001085146-25-001106 filed by Magellan Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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