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WELLINGTON MANAGEMENT GROUP LLP: AHR position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 8,658,850 AHR 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 8,658,850 shares
    Change vs previous 13F +375,063 shares

    0.08% of the 13F portfolio, value $451,559,027.

    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 8,283,787 shares
    Change vs previous 13F +360,969 shares

    0.07% of the 13F portfolio, value $390,663,395.

    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 7,922,818 shares
    Change vs previous 13F -735,792 shares

    0.07% of the 13F portfolio, value $372,847,814.

    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 8,658,610 shares
    Change vs previous 13F -1,261,944 shares

    0.06% of the 13F portfolio, value $363,748,206.

    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 9,920,554 shares
    Change vs previous 13F +960,445 shares

    0.07% of the 13F portfolio, value $364,481,154.

    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 8,960,109 shares
    Change vs previous 13F -1,263,228 shares

    0.05% of the 13F portfolio, value $271,491,302.

    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 10,223,337 shares
    Change vs previous 13F -3,222,415 shares

    0.05% of the 13F portfolio, value $290,547,237.

    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 13,445,752 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $350,934,127.

    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).