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Disclosery

Magellan Asset Management Ltd: ATO position timeline

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

Magellan Asset Management Ltd held 186,934 ATO 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 186,934 shares
    Change vs previous 13F +5,567 shares

    0.72% of the 13F portfolio, value $32,203,120.

    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 181,367 shares
    Change vs previous 13F +42,813 shares

    0.43% of the 13F portfolio, value $33,502,112.

    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 138,554 shares
    Change vs previous 13F +7,991 shares

    0.28% of the 13F portfolio, value $23,225,807.

    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 130,563 shares
    Change vs previous 13F +14,304 shares

    0.26% of the 13F portfolio, value $22,293,632.

    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 116,259 shares
    Change vs previous 13F -629 shares

    0.2% of the 13F portfolio, value $17,916,674.

    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 116,888 shares
    Change vs previous 13F -1,283 shares

    0.22% of the 13F portfolio, value $18,068,547.

    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 118,171 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $16,457,675.

    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).