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SEI INVESTMENTS CO: HYD position timeline

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

SEI INVESTMENTS CO held 3,810,177 HYD 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 3,810,177 shares
    Change vs previous 13F +302,548 shares

    0.17% of the 13F portfolio, value $196,261,629.

    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 3,507,629 shares
    Change vs previous 13F +264,550 shares

    0.16% of the 13F portfolio, value $175,868,080.

    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 3,243,079 shares
    Change vs previous 13F +271,992 shares

    0.16% of the 13F portfolio, value $165,783,439.

    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 2,971,087 shares
    Change vs previous 13F +83,702 shares

    0.16% of the 13F portfolio, value $151,227,238.

    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 2,887,385 shares
    Change vs previous 13F -510,519 shares

    0.17% of the 13F portfolio, value $144,973,508.

    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 3,397,904 shares
    Change vs previous 13F +149,363 shares

    0.22% of the 13F portfolio, value $173,903,559.

    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 3,248,541 shares
    Change vs previous 13F +141,388 shares

    0.22% of the 13F portfolio, value $168,631,600.

    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 3,107,153 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $164,896,973.

    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).