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SEI INVESTMENTS CO: UMC position timeline

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

SEI INVESTMENTS CO held 113,874 UMC 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 113,874 shares
    Change vs previous 13F -55,309 shares

    <0.01% of the 13F portfolio, value $3,098,463.

    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 169,183 shares
    Change vs previous 13F +141,385 shares

    <0.01% of the 13F portfolio, value $1,519,254.

    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 27,798 shares
    Change vs previous 13F +4,719 shares

    <0.01% of the 13F portfolio, value $218,514.

    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 23,079 shares
    Change vs previous 13F -49,520 shares

    <0.01% of the 13F portfolio, value $174,926.

    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 72,599 shares
    Change vs previous 13F +12,201 shares

    <0.01% of the 13F portfolio, value $555,400.

    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 60,398 shares
    Change vs previous 13F +7,600 shares

    <0.01% of the 13F portfolio, value $431,853.

    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 52,798 shares
    Change vs previous 13F -2,545 shares

    <0.01% of the 13F portfolio, value $342,668.

    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 55,343 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $465,984.

    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).