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SEI INVESTMENTS CO: MPC position timeline

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

SEI INVESTMENTS CO held 205,038 MPC 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 205,038 shares
    Change vs previous 13F +19,180 shares

    0.05% of the 13F portfolio, value $52,423,219.

    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 185,858 shares
    Change vs previous 13F -7,211 shares

    0.04% of the 13F portfolio, value $45,384,283.

    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 193,069 shares
    Change vs previous 13F +10,787 shares

    0.03% of the 13F portfolio, value $31,400,989.

    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 182,282 shares
    Change vs previous 13F +11,494 shares

    0.04% of the 13F portfolio, value $35,133,666.

    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 170,788 shares
    Change vs previous 13F +44,688 shares

    0.03% of the 13F portfolio, value $28,367,612.

    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 126,100 shares
    Change vs previous 13F +9,678 shares

    0.02% of the 13F portfolio, value $18,372,259.

    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 116,422 shares
    Change vs previous 13F -18,253 shares

    0.02% of the 13F portfolio, value $16,245,176.

    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 134,675 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $21,939,976.

    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).