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SEI INVESTMENTS CO: GDYN position timeline

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

SEI INVESTMENTS CO held 142,618 GDYN 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 142,618 shares
    Change vs previous 13F -138,831 shares

    <0.01% of the 13F portfolio, value $810,072.

    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 281,449 shares
    Change vs previous 13F -168,842 shares

    <0.01% of the 13F portfolio, value $1,604,253.

    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 450,291 shares
    Change vs previous 13F +136,385 shares

    <0.01% of the 13F portfolio, value $4,066,137.

    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 313,906 shares
    Change vs previous 13F -48,612 shares

    <0.01% of the 13F portfolio, value $2,420,215.

    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 362,518 shares
    Change vs previous 13F -18,869 shares

    <0.01% of the 13F portfolio, value $4,187,006.

    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 381,387 shares
    Change vs previous 13F -65,890 shares

    0.01% of the 13F portfolio, value $5,968,761.

    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 447,277 shares
    Change vs previous 13F +70,192 shares

    0.01% of the 13F portfolio, value $9,947,449.

    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 377,085 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $5,279,190.

    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).