Skip to content
Disclosery

SEI INVESTMENTS CO: WST position timeline

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

SEI INVESTMENTS CO held 497,734 WST 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 497,734 shares
    Change vs previous 13F -31,527 shares

    0.16% of the 13F portfolio, value $178,687,081.

    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 529,261 shares
    Change vs previous 13F -62,496 shares

    0.12% of the 13F portfolio, value $132,653,661.

    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 591,757 shares
    Change vs previous 13F +64,247 shares

    0.16% of the 13F portfolio, value $162,817,387.

    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 527,510 shares
    Change vs previous 13F +82,259 shares

    0.15% of the 13F portfolio, value $138,380,904.

    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 445,251 shares
    Change vs previous 13F +14,697 shares

    0.11% of the 13F portfolio, value $97,421,095.

    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 430,554 shares
    Change vs previous 13F -79,719 shares

    0.12% of the 13F portfolio, value $96,392,279.

    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 510,273 shares
    Change vs previous 13F +20,381 shares

    0.21% of the 13F portfolio, value $167,145,263.

    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 489,892 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $147,045,857.

    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).