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MARSHALL WACE, LLP: REGN position timeline

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

MARSHALL WACE, LLP held 23,000 REGN shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,000 shares
    Change vs previous 13F +22,647 shares

    0.01% of the 13F portfolio, value $14,341,420.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 353 shares
    Change vs previous 13F -478,198 shares

    <0.01% of the 13F portfolio, value $272,742.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 478,551 shares
    Change vs previous 13F +91,667 shares

    0.36% of the 13F portfolio, value $369,379,164.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 386,884 shares
    Change vs previous 13F +146,975 shares

    0.24% of the 13F portfolio, value $217,533,266.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 239,909 shares
    Change vs previous 13F +238,509 shares

    0.15% of the 13F portfolio, value $125,952,225.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 1,400 shares
    Change vs previous 13F -126,000 shares

    <0.01% of the 13F portfolio, value $887,922.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 127,400 shares
    Change vs previous 13F -6,604 shares

    0.11% of the 13F portfolio, value $90,750,842.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 134,004 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $140,870,365.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).