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SEI INVESTMENTS CO: MIAX position timeline

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

SEI INVESTMENTS CO held 307,062 MIAX 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 307,062 shares
    Change vs previous 13F -219,301 shares

    0.01% of the 13F portfolio, value $11,410,378.

    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 526,363 shares
    Change vs previous 13F +186,108 shares

    0.02% of the 13F portfolio, value $20,486,118.

    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 340,255 shares
    Change vs previous 13F +239,064 shares

    0.01% of the 13F portfolio, value $15,100,539.

    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 101,191 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,073,950.

    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).