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SEI INVESTMENTS CO: ALNY position timeline

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

SEI INVESTMENTS CO held 121,960 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 121,960 shares
    Change vs previous 13F +21,645 shares

    0.03% of the 13F portfolio, value $36,711,031.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS 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 100,315 shares
    Change vs previous 13F -10,797 shares

    0.03% of the 13F portfolio, value $33,188,070.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS 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 111,112 shares
    Change vs previous 13F +16,631 shares

    0.04% of the 13F portfolio, value $44,186,866.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS 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 94,481 shares
    Change vs previous 13F -214,138 shares

    0.05% of the 13F portfolio, value $43,084,268.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS 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 308,619 shares
    Change vs previous 13F +31,250 shares

    0.12% of the 13F portfolio, value $100,637,751.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS 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/A 277,369 shares
    Change vs previous 13F +11,369 shares

    0.1% of the 13F portfolio, value $74,894,888.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS 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 266,000 shares
    Change vs previous 13F +28,093 shares

    0.08% of the 13F portfolio, value $62,594,570.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS 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 237,907 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $65,435,557.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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