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SEI INVESTMENTS CO: REGN position timeline

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

SEI INVESTMENTS CO held 60,441 REGN 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 60,441 shares
    Change vs previous 13F -14,559 shares

    0.03% of the 13F portfolio, value $37,681,985.

    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 75,000 shares
    Change vs previous 13F +18,403 shares

    0.05% of the 13F portfolio, value $57,948,441.

    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 56,597 shares
    Change vs previous 13F +11,564 shares

    0.04% of the 13F portfolio, value $43,681,664.

    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 45,033 shares
    Change vs previous 13F +12,692 shares

    0.03% of the 13F portfolio, value $25,316,130.

    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 32,341 shares
    Change vs previous 13F +2,996 shares

    0.02% of the 13F portfolio, value $16,985,370.

    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 29,345 shares
    Change vs previous 13F +2,913 shares

    0.02% of the 13F portfolio, value $18,607,945.

    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 26,432 shares
    Change vs previous 13F -3,371 shares

    0.02% of the 13F portfolio, value $18,825,429.

    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 29,803 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $31,326,259.

    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).