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ARTHUR M. COHEN & ASSOCIATES, LLC: AMGN position timeline

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

ARTHUR M. COHEN & ASSOCIATES, LLC held 3,981 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,981 shares
    Change vs previous 13F -225 shares

    0.23% of the 13F portfolio, value $1,441,441.

    13F-HR 0001692252-26-000003 filed by ARTHUR M. COHEN & ASSOCIATES, 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 4,206 shares
    Change vs previous 13F 0 shares

    0.26% of the 13F portfolio, value $1,485,741.

    13F-HR 0001692252-26-000002 filed by ARTHUR M. COHEN & 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 ended2025-12-31
    13F 4,206 shares
    Change vs previous 13F -165 shares

    0.22% of the 13F portfolio, value $1,376,522.

    13F-HR 0001692252-26-000001 filed by ARTHUR M. COHEN & 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 ended2025-09-30
    13F 4,371 shares
    Change vs previous 13F -535 shares

    0.21% of the 13F portfolio, value $1,233,373.

    13F-HR 0001085146-25-005925 filed by ARTHUR M. COHEN & 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 ended2025-06-30
    13F 4,906 shares
    Change vs previous 13F -850 shares

    0.24% of the 13F portfolio, value $1,369,682.

    13F-HR 0001085146-25-003752 filed by ARTHUR M. COHEN & 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 ended2025-03-31
    13F 5,756 shares
    Change vs previous 13F -1,810 shares

    0.34% of the 13F portfolio, value $1,793,145.

    13F-HR 0001692252-25-000002 filed by ARTHUR M. COHEN & 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 ended2024-12-31
    13F 7,566 shares
    Change vs previous 13F -345 shares

    0.35% of the 13F portfolio, value $1,971,888.

    13F-HR 0001692252-25-000001 filed by ARTHUR M. COHEN & 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 ended2024-09-30
    13F 7,911 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $2,533,911.

    13F-HR 0001692252-24-000005 filed by ARTHUR M. COHEN & ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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