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SEI INVESTMENTS CO: TNK position timeline

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

SEI INVESTMENTS CO held 92,876 TNK 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 92,876 shares
    Change vs previous 13F -13,284 shares

    0.01% of the 13F portfolio, value $6,024,310.

    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 106,160 shares
    Change vs previous 13F +64,645 shares

    0.01% of the 13F portfolio, value $7,783,598.

    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 41,515 shares
    Change vs previous 13F +31,860 shares

    <0.01% of the 13F portfolio, value $2,217,631.

    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 9,655 shares
    Change vs previous 13F -659 shares

    <0.01% of the 13F portfolio, value $488,054.

    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 10,314 shares
    Change vs previous 13F -2,065 shares

    <0.01% of the 13F portfolio, value $430,294.

    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 12,379 shares
    Change vs previous 13F -29,785 shares

    <0.01% of the 13F portfolio, value $473,738.

    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 42,164 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,677,838.

    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).