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SOUTHEASTERN ASSET MANAGEMENT INC/TN/: REGN position timeline

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

SOUTHEASTERN ASSET MANAGEMENT INC/TN/ held 152,322 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 152,322 shares
    Change vs previous 13F +21,660 shares

    4.95% of the 13F portfolio, value $94,978,860.

    13F-HR 0001398344-26-014641 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    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 130,662 shares
    Change vs previous 13F -35,130 shares

    4.97% of the 13F portfolio, value $100,954,687.

    13F-HR 0001398344-26-009296 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    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 165,792 shares
    Change vs previous 13F +21,185 shares

    5.7% of the 13F portfolio, value $127,969,871.

    13F-HR 0001398344-26-003084 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    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 144,607 shares
    Change vs previous 13F -15,974 shares

    4.15% of the 13F portfolio, value $81,308,178.

    13F-HR 0001398344-25-020985 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    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 160,581 shares
    Change vs previous 13F +45,701 shares

    4.25% of the 13F portfolio, value $84,305,025.

    13F-HR 0001398344-25-015655 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    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 114,880 shares
    Change vs previous 13F not available

    3.88% of the 13F portfolio, value $72,860,344.

    13F-HR 0001398344-25-009698 filed by SOUTHEASTERN ASSET MANAGEMENT INC/TN/
    Filed (acceptance time not in the bulk data set), ingested

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