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BAILLIE GIFFORD & CO: ALNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BAILLIE GIFFORD & CO on ALNY, newest first. How the timeline and the estimate are built.

BAILLIE GIFFORD & CO held 2,439,889 ALNY shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,439,889 shares
    Change vs previous 13F -53,977 shares

    0.67% of the 13F portfolio, value $734,479,786.

    13F-HR 0001088875-26-000057 filed by BAILLIE GIFFORD & CO
    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 2,493,866 shares
    Change vs previous 13F -107,113 shares

    0.84% of the 13F portfolio, value $825,145,443.

    13F-HR 0001088875-26-000037 filed by BAILLIE GIFFORD & CO
    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 2,600,979 shares
    Change vs previous 13F -188,377 shares

    0.86% of the 13F portfolio, value $1,034,279,300.

    13F-HR 0001088875-26-000002 filed by BAILLIE GIFFORD & CO
    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 2,789,356 shares
    Change vs previous 13F -242,535 shares

    0.94% of the 13F portfolio, value $1,271,946,336.

    13F-HR 0001088875-25-000079 filed by BAILLIE GIFFORD & CO
    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 3,031,891 shares
    Change vs previous 13F -625,716 shares

    0.74% of the 13F portfolio, value $988,669,336.

    13F-HR 0001088875-25-000057 filed by BAILLIE GIFFORD & CO
    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 3,657,607 shares
    Change vs previous 13F -382,652 shares

    0.86% of the 13F portfolio, value $987,627,042.

    13F-HR 0001088875-25-000049 filed by BAILLIE GIFFORD & CO
    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 4,040,259 shares
    Change vs previous 13F -846,741 shares

    0.73% of the 13F portfolio, value $950,713,345.

    13F-HR 0001088875-25-000002 filed by BAILLIE GIFFORD & CO
    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 4,887,000 shares
    Change vs previous 13F not available

    1.01% of the 13F portfolio, value $1,344,071,609.

    13F-HR 0001088875-24-000110 filed by BAILLIE GIFFORD & CO
    Filed (acceptance time not in the bulk data set), ingested

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