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SEI INVESTMENTS CO: ACI position timeline

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

SEI INVESTMENTS CO held 1,096,031 ACI 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 1,096,031 shares
    Change vs previous 13F -201,287 shares

    0.01% of the 13F portfolio, value $14,829,116.

    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 1,297,318 shares
    Change vs previous 13F +91,804 shares

    0.02% of the 13F portfolio, value $22,106,291.

    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 1,205,514 shares
    Change vs previous 13F -22,175 shares

    0.02% of the 13F portfolio, value $20,698,760.

    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 1,227,689 shares
    Change vs previous 13F +128,414 shares

    0.02% of the 13F portfolio, value $21,498,330.

    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 1,099,275 shares
    Change vs previous 13F +363,493 shares

    0.03% of the 13F portfolio, value $23,645,398.

    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 735,782 shares
    Change vs previous 13F +262,158 shares

    0.02% of the 13F portfolio, value $16,180,650.

    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 473,624 shares
    Change vs previous 13F +354,176 shares

    0.01% of the 13F portfolio, value $9,301,748.

    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 119,448 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,207,545.

    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).