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SEI INVESTMENTS CO: MATX position timeline

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

SEI INVESTMENTS CO held 28,515 MATX 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 28,515 shares
    Change vs previous 13F +2,428 shares

    <0.01% of the 13F portfolio, value $5,481,801.

    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 26,087 shares
    Change vs previous 13F +21,087 shares

    <0.01% of the 13F portfolio, value $4,277,323.

    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 5,000 shares
    Change vs previous 13F -4 shares

    <0.01% of the 13F portfolio, value $617,690.

    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 5,004 shares
    Change vs previous 13F +1,947 shares

    <0.01% of the 13F portfolio, value $493,322.

    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 3,057 shares
    Change vs previous 13F -182 shares

    <0.01% of the 13F portfolio, value $340,398.

    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 3,239 shares
    Change vs previous 13F +687 shares

    <0.01% of the 13F portfolio, value $415,140.

    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 2,552 shares
    Change vs previous 13F +280 shares

    <0.01% of the 13F portfolio, value $344,089.

    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 2,272 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $324,053.

    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).