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Disclosery

SEI INVESTMENTS CO: MC position timeline

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

SEI INVESTMENTS CO held 284,910 MC 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 284,910 shares
    Change vs previous 13F -41,447 shares

    0.02% of the 13F portfolio, value $18,638,914.

    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 326,357 shares
    Change vs previous 13F -6,965 shares

    0.02% of the 13F portfolio, value $18,602,696.

    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 333,322 shares
    Change vs previous 13F +7,866 shares

    0.02% of the 13F portfolio, value $22,912,325.

    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 325,456 shares
    Change vs previous 13F +19,493 shares

    0.02% of the 13F portfolio, value $23,211,516.

    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 305,963 shares
    Change vs previous 13F +15,716 shares

    0.02% of the 13F portfolio, value $19,067,539.

    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 290,247 shares
    Change vs previous 13F +14,578 shares

    0.02% of the 13F portfolio, value $16,938,875.

    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 275,669 shares
    Change vs previous 13F -8,691 shares

    0.03% of the 13F portfolio, value $20,366,392.

    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 284,360 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $19,481,492.

    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).