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ACADIAN ASSET MANAGEMENT LLC: REGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ACADIAN ASSET MANAGEMENT LLC on REGN, newest first. How the timeline and the estimate are built.

ACADIAN ASSET MANAGEMENT LLC held 157,440 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 157,440 shares
    Change vs previous 13F +6,249 shares

    0.12% of the 13F portfolio, value $98,137,000.

    13F-HR 0001140361-26-032657 filed by ACADIAN ASSET MANAGEMENT LLC
    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 151,191 shares
    Change vs previous 13F -294,604 shares

    0.17% of the 13F portfolio, value $116,782,000.

    13F-HR 0001140361-26-020957 filed by ACADIAN ASSET MANAGEMENT LLC
    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 445,795 shares
    Change vs previous 13F -138,710 shares

    0.56% of the 13F portfolio, value $344,049,000.

    13F-HR 0001140361-26-004564 filed by ACADIAN ASSET MANAGEMENT LLC
    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 584,505 shares
    Change vs previous 13F +118,765 shares

    0.57% of the 13F portfolio, value $328,594,000.

    13F-HR 0001140361-25-041908 filed by ACADIAN ASSET MANAGEMENT LLC
    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 465,740 shares
    Change vs previous 13F +326,583 shares

    0.5% of the 13F portfolio, value $244,480,000.

    13F-HR 0001140361-25-029365 filed by ACADIAN ASSET MANAGEMENT LLC
    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 139,157 shares
    Change vs previous 13F +56,816 shares

    0.25% of the 13F portfolio, value $88,233,000.

    13F-HR 0001135428-25-000021 filed by ACADIAN ASSET MANAGEMENT LLC
    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 82,341 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $58,633,000.

    13F-HR 0001135428-25-000010 filed by ACADIAN ASSET MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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