Skip to content
Disclosery

SEI INVESTMENTS CO: STX position timeline

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

SEI INVESTMENTS CO held 243,486 STX 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 243,486 shares
    Change vs previous 13F -3,666 shares

    0.21% of the 13F portfolio, value $234,970,005.

    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 247,152 shares
    Change vs previous 13F -52,480 shares

    0.09% of the 13F portfolio, value $96,824,278.

    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 299,632 shares
    Change vs previous 13F +247,937 shares

    0.08% of the 13F portfolio, value $82,515,668.

    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 51,695 shares
    Change vs previous 13F +43,152 shares

    0.01% of the 13F portfolio, value $12,203,123.

    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 8,543 shares
    Change vs previous 13F -498 shares

    <0.01% of the 13F portfolio, value $1,232,963.

    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 9,041 shares
    Change vs previous 13F +3,917 shares

    <0.01% of the 13F portfolio, value $767,844.

    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 5,124 shares
    Change vs previous 13F -15,926 shares

    <0.01% of the 13F portfolio, value $442,277.

    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 21,050 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,305,612.

    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).