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O'Brien Greene & Co. Inc: AMGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of O'Brien Greene & Co. Inc on AMGN, newest first. How the timeline and the estimate are built.

O'Brien Greene & Co. Inc held 29,941 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,941 shares
    Change vs previous 13F +306 shares

    2.99% of the 13F portfolio, value $10,842,117.

    13F-HR 0001768635-26-000009 filed by O'Brien Greene & 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 29,635 shares
    Change vs previous 13F -36 shares

    2.95% of the 13F portfolio, value $10,426,933.

    13F-HR 0001768635-26-000002 filed by O'Brien Greene & 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 29,671 shares
    Change vs previous 13F +85 shares

    2.88% of the 13F portfolio, value $9,711,743.

    13F-HR 0001768635-26-000001 filed by O'Brien Greene & 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 29,586 shares
    Change vs previous 13F -270 shares

    2.57% of the 13F portfolio, value $8,349,143.

    13F-HR 0001768635-25-000008 filed by O'Brien Greene & 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 29,856 shares
    Change vs previous 13F -1,018 shares

    2.73% of the 13F portfolio, value $8,336,023.

    13F-HR 0001768635-25-000005 filed by O'Brien Greene & 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 30,874 shares
    Change vs previous 13F -503 shares

    3.23% of the 13F portfolio, value $9,618,761.

    13F-HR 0001768635-25-000003 filed by O'Brien Greene & 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 31,377 shares
    Change vs previous 13F +73 shares

    2.66% of the 13F portfolio, value $8,178,132.

    13F-HR 0001768635-25-000001 filed by O'Brien Greene & 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 31,304 shares
    Change vs previous 13F not available

    3.14% of the 13F portfolio, value $10,086,491.

    13F-HR 0001768635-24-000010 filed by O'Brien Greene & Co. Inc
    Filed (acceptance time not in the bulk data set), ingested

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