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WELLINGTON MANAGEMENT GROUP LLP: ATO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on ATO, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 9,185,788 ATO 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 9,185,788 shares
    Change vs previous 13F -465,684 shares

    0.27% of the 13F portfolio, value $1,582,435,699.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 9,651,472 shares
    Change vs previous 13F -359,036 shares

    0.33% of the 13F portfolio, value $1,782,819,908.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 10,010,508 shares
    Change vs previous 13F -457,320 shares

    0.29% of the 13F portfolio, value $1,678,061,457.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 10,467,828 shares
    Change vs previous 13F -916,094 shares

    0.31% of the 13F portfolio, value $1,787,381,633.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 11,383,922 shares
    Change vs previous 13F -938,072 shares

    0.32% of the 13F portfolio, value $1,754,376,221.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 12,321,994 shares
    Change vs previous 13F -808,723 shares

    0.37% of the 13F portfolio, value $1,904,733,832.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 13,130,717 shares
    Change vs previous 13F -614,635 shares

    0.33% of the 13F portfolio, value $1,828,714,955.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 13,745,352 shares
    Change vs previous 13F not available

    0.33% of the 13F portfolio, value $1,906,617,777.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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