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Disclosery

THOMPSON SIEGEL & WALMSLEY LLC: AMGN position timeline

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

THOMPSON SIEGEL & WALMSLEY LLC held 34,760 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 34,760 shares
    Change vs previous 13F -490 shares

    0.23% of the 13F portfolio, value $12,587,000.

    13F-HR 0001008322-26-000009 filed by THOMPSON SIEGEL & WALMSLEY 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 35,250 shares
    Change vs previous 13F +25 shares

    0.22% of the 13F portfolio, value $12,403,000.

    13F-HR 0001008322-26-000006 filed by THOMPSON SIEGEL & WALMSLEY 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 35,225 shares
    Change vs previous 13F +25 shares

    0.19% of the 13F portfolio, value $11,529,000.

    13F-HR 0001008322-26-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 35,200 shares
    Change vs previous 13F -12 shares

    0.16% of the 13F portfolio, value $9,933,000.

    13F-HR 0001008322-25-000017 filed by THOMPSON SIEGEL & WALMSLEY 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 35,212 shares
    Change vs previous 13F +8 shares

    0.17% of the 13F portfolio, value $9,831,000.

    13F-HR 0001008322-25-000011 filed by THOMPSON SIEGEL & WALMSLEY 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 35,204 shares
    Change vs previous 13F -6,357 shares

    0.19% of the 13F portfolio, value $10,968,000.

    13F-HR 0001008322-25-000008 filed by THOMPSON SIEGEL & WALMSLEY 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 41,561 shares
    Change vs previous 13F +13 shares

    0.17% of the 13F portfolio, value $10,832,000.

    13F-HR 0001008322-25-000003 filed by THOMPSON SIEGEL & WALMSLEY 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 41,548 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $13,387,000.

    13F-HR 0001008322-24-000016 filed by THOMPSON SIEGEL & WALMSLEY LLC
    Filed (acceptance time not in the bulk data set), ingested

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