Skip to content
Disclosery

Chesley Taft & Associates LLC: AMGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Chesley Taft & Associates LLC on AMGN, newest first. How the timeline and the estimate are built.

Chesley Taft & Associates LLC held 17,924 AMGN shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 17,924 shares
    Change vs previous 13F -973 shares

    0.3% of the 13F portfolio, value $7,555,145.

    13F-HR 0001164632-26-000006 filed by Chesley Taft & Associates LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 18,897 shares
    Change vs previous 13F -1,191 shares

    0.27% of the 13F portfolio, value $6,842,981.

    13F-HR 0001164632-26-000004 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 20,088 shares
    Change vs previous 13F -74 shares

    0.3% of the 13F portfolio, value $7,067,963.

    13F-HR 0001164632-26-000002 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 20,162 shares
    Change vs previous 13F +2,565 shares

    0.26% of the 13F portfolio, value $6,599,225.

    13F-HR 0001164632-26-000001 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 17,597 shares
    Change vs previous 13F -2,373 shares

    0.21% of the 13F portfolio, value $4,965,873.

    13F-HR 0001085146-25-005836 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 19,970 shares
    Change vs previous 13F +163 shares

    0.25% of the 13F portfolio, value $5,575,824.

    13F-HR 0001085146-25-003693 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 19,807 shares
    Change vs previous 13F +502 shares

    0.3% of the 13F portfolio, value $6,170,871.

    13F-HR 0001085146-25-002016 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 19,305 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $5,031,655.

    13F-HR 0001085146-25-000305 filed by Chesley Taft & Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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