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WELLINGTON MANAGEMENT GROUP LLP: AMRC position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 3,374,767 AMRC 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 3,374,767 shares
    Change vs previous 13F -166,810 shares

    0.02% of the 13F portfolio, value $93,143,570.

    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 3,541,577 shares
    Change vs previous 13F -359,756 shares

    0.02% of the 13F portfolio, value $90,310,215.

    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 3,901,333 shares
    Change vs previous 13F -834,252 shares

    0.02% of the 13F portfolio, value $114,270,044.

    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 4,735,585 shares
    Change vs previous 13F +2,981,689 shares

    0.03% of the 13F portfolio, value $159,020,944.

    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 1,753,896 shares
    Change vs previous 13F +653,780 shares

    <0.01% of the 13F portfolio, value $26,641,681.

    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 1,100,116 shares
    Change vs previous 13F +125,030 shares

    <0.01% of the 13F portfolio, value $13,289,401.

    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 975,086 shares
    Change vs previous 13F -29,816 shares

    <0.01% of the 13F portfolio, value $22,895,020.

    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 1,004,902 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $38,125,983.

    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).