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Disclosery

Winslow Capital Management, LLC: ALNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Winslow Capital Management, LLC on ALNY, newest first. How the timeline and the estimate are built.

Winslow Capital Management, LLC held 0 ALNY shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -1,266 shares

    13F-HR 0000900973-26-000004 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 1,266 shares
    Change vs previous 13F -69 shares

    <0.01% of the 13F portfolio, value $503,425.

    13F-HR 0000900973-26-000002 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 1,335 shares
    Change vs previous 13F -1,176,104 shares

    <0.01% of the 13F portfolio, value $608,760.

    13F-HR 0000900973-25-000012 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 1,177,439 shares
    Change vs previous 13F -9,739 shares

    1.28% of the 13F portfolio, value $383,951,084.

    13F-HR 0000900973-25-000008 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 1,187,178 shares
    Change vs previous 13F +166,611 shares

    1.28% of the 13F portfolio, value $320,561,803.

    13F-HR 0000900973-25-000006 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 1,020,567 shares
    Change vs previous 13F +58,960 shares

    0.85% of the 13F portfolio, value $240,149,620.

    13F-HR 0000900973-25-000002 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 961,607 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $264,470,773.

    13F-HR 0000900973-24-000010 filed by Winslow Capital Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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