Skip to content

FAIRFIELD, BUSH & CO.: REGN position timeline

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

FAIRFIELD, BUSH & CO. held 1,496 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 1,496 shares
    Change vs previous 13F -36 shares

    0.46% of the 13F portfolio, value $933,005.

    13F-HR 0001116247-26-000003 filed by FAIRFIELD, BUSH & 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 1,532 shares
    Change vs previous 13F -146 shares

    0.66% of the 13F portfolio, value $1,183,876.

    13F-HR 0001116247-26-000002 filed by FAIRFIELD, BUSH & 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 1,678 shares
    Change vs previous 13F -193 shares

    0.68% of the 13F portfolio, value $1,295,356.

    13F-HR 0001116247-26-000001 filed by FAIRFIELD, BUSH & 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 1,871 shares
    Change vs previous 13F -316 shares

    0.54% of the 13F portfolio, value $1,052,099.

    13F-HR 0001116247-25-000005 filed by FAIRFIELD, BUSH & 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 2,187 shares
    Change vs previous 13F +30 shares

    0.65% of the 13F portfolio, value $1,148,233.

    13F-HR 0001116247-25-000003 filed by FAIRFIELD, BUSH & 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 2,157 shares
    Change vs previous 13F +193 shares

    0.87% of the 13F portfolio, value $1,368,064.

    13F-HR 0001116247-25-000002 filed by FAIRFIELD, BUSH & 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 1,964 shares
    Change vs previous 13F +125 shares

    0.82% of the 13F portfolio, value $1,399,016.

    13F-HR 0001116247-25-000001 filed by FAIRFIELD, BUSH & 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 1,839 shares
    Change vs previous 13F not available

    1.15% of the 13F portfolio, value $1,933,581.

    13F-HR 0001116247-24-000005 filed by FAIRFIELD, BUSH & CO.
    Filed (acceptance time not in the bulk data set), ingested

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