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SEI INVESTMENTS CO: MPLX position timeline

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

SEI INVESTMENTS CO held 23,094 MPLX 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 23,094 shares
    Change vs previous 13F +919 shares

    <0.01% of the 13F portfolio, value $1,300,885.

    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 22,175 shares
    Change vs previous 13F +201 shares

    <0.01% of the 13F portfolio, value $1,265,527.

    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 21,974 shares
    Change vs previous 13F -319 shares

    <0.01% of the 13F portfolio, value $1,172,752.

    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 22,293 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,113,535.

    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 22,293 shares
    Change vs previous 13F -489 shares

    <0.01% of the 13F portfolio, value $1,148,312.

    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 22,782 shares
    Change vs previous 13F -19,176 shares

    <0.01% of the 13F portfolio, value $1,219,291.

    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 41,958 shares
    Change vs previous 13F -5,368 shares

    <0.01% of the 13F portfolio, value $2,008,110.

    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 47,326 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,104,114.

    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).