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D. E. Shaw & Co., Inc.: REGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of D. E. Shaw & Co., Inc. on REGN, newest first. How the timeline and the estimate are built.

D. E. Shaw & Co., Inc. held 38,477 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 38,477 shares
    Change vs previous 13F +15,747 shares

    0.01% of the 13F portfolio, value $23,991,948.

    13F-HR 0001104659-26-097217 filed by D. E. Shaw & Co., Inc.
    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 22,730 shares
    Change vs previous 13F -132,745 shares

    0.01% of the 13F portfolio, value $17,562,107.

    13F-HR 0001104659-26-062472 filed by D. E. Shaw & Co., Inc.
    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 155,475 shares
    Change vs previous 13F -706,118 shares

    0.09% of the 13F portfolio, value $120,006,488.

    13F-HR 0001104659-26-016332 filed by D. E. Shaw & Co., Inc.
    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 861,593 shares
    Change vs previous 13F +84,124 shares

    0.39% of the 13F portfolio, value $484,447,896.

    13F-HR 0001104659-25-112505 filed by D. E. Shaw & Co., Inc.
    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 777,469 shares
    Change vs previous 13F +198,580 shares

    0.41% of the 13F portfolio, value $408,171,225.

    13F-HR 0001104659-25-078542 filed by D. E. Shaw & Co., Inc.
    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 578,889 shares
    Change vs previous 13F +78,659 shares

    0.44% of the 13F portfolio, value $367,148,770.

    13F-HR 0001104659-25-049422 filed by D. E. Shaw & Co., Inc.
    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 500,230 shares
    Change vs previous 13F +233,994 shares

    0.39% of the 13F portfolio, value $356,328,836.

    13F-HR 0001104659-25-014028 filed by D. E. Shaw & Co., Inc.
    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 266,236 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $279,877,933.

    13F-HR 0001104659-24-119021 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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