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SEI INVESTMENTS CO: MAC position timeline

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

SEI INVESTMENTS CO held 448,812 MAC 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 448,812 shares
    Change vs previous 13F +85,664 shares

    0.01% of the 13F portfolio, value $11,305,637.

    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 363,148 shares
    Change vs previous 13F +174,089 shares

    0.01% of the 13F portfolio, value $6,863,431.

    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 189,059 shares
    Change vs previous 13F -396,892 shares

    <0.01% of the 13F portfolio, value $3,490,074.

    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 585,951 shares
    Change vs previous 13F -292,765 shares

    0.01% of the 13F portfolio, value $10,664,360.

    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 878,716 shares
    Change vs previous 13F -38,934 shares

    0.02% of the 13F portfolio, value $14,217,640.

    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 917,650 shares
    Change vs previous 13F +89,152 shares

    0.02% of the 13F portfolio, value $15,756,054.

    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 828,498 shares
    Change vs previous 13F +180,293 shares

    0.02% of the 13F portfolio, value $16,503,906.

    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 648,205 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $11,823,279.

    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).