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SEI INVESTMENTS CO: ARM position timeline

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

SEI INVESTMENTS CO held 196,491 ARM 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 196,491 shares
    Change vs previous 13F -257,729 shares

    0.06% of the 13F portfolio, value $69,669,749.

    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 454,220 shares
    Change vs previous 13F +183,045 shares

    0.06% of the 13F portfolio, value $68,714,342.

    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 271,175 shares
    Change vs previous 13F +29,299 shares

    0.03% of the 13F portfolio, value $29,642,018.

    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 241,876 shares
    Change vs previous 13F -280,437 shares

    0.04% of the 13F portfolio, value $34,223,076.

    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 522,313 shares
    Change vs previous 13F -108,454 shares

    0.1% of the 13F portfolio, value $84,478,943.

    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 630,767 shares
    Change vs previous 13F +123,260 shares

    0.09% of the 13F portfolio, value $67,359,645.

    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 507,507 shares
    Change vs previous 13F +83,489 shares

    0.08% of the 13F portfolio, value $62,605,977.

    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 424,018 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $60,638,865.

    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).