Skip to content
Disclosery

SEI INVESTMENTS CO: MGNX position timeline

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

SEI INVESTMENTS CO held 164,704 MGNX 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 164,704 shares
    Change vs previous 13F +133,386 shares

    <0.01% of the 13F portfolio, value $760,932.

    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 31,318 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $90,509.

    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 31,318 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $50,422.

    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 31,318 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $52,614.

    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 31,318 shares
    Change vs previous 13F -2,698 shares

    <0.01% of the 13F portfolio, value $37,895.

    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 34,016 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $43,200.

    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).