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WELLINGTON MANAGEMENT GROUP LLP: ALNY position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 2,110,407 ALNY 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 2,110,407 shares
    Change vs previous 13F +174,482 shares

    0.11% of the 13F portfolio, value $635,295,819.

    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 1,935,925 shares
    Change vs previous 13F +306,994 shares

    0.12% of the 13F portfolio, value $640,539,505.

    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 1,628,931 shares
    Change vs previous 13F -197,390 shares

    0.11% of the 13F portfolio, value $647,744,413.

    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 1,826,321 shares
    Change vs previous 13F -249,431 shares

    0.15% of the 13F portfolio, value $832,802,376.

    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 2,075,752 shares
    Change vs previous 13F -535,234 shares

    0.12% of the 13F portfolio, value $676,881,970.

    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 2,610,986 shares
    Change vs previous 13F -1,585,637 shares

    0.14% of the 13F portfolio, value $705,018,440.

    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 4,196,623 shares
    Change vs previous 13F -756,724 shares

    0.18% of the 13F portfolio, value $987,507,356.

    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 4,953,347 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $1,362,319,027.

    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).