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Riverstone Advisors, LLC: AMGN position timeline

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

Riverstone Advisors, LLC held 3,070 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 3,070 shares
    Change vs previous 13F +121 shares

    0.46% of the 13F portfolio, value $1,111,708.

    13F-HR 0001951757-26-001123 filed by Riverstone Advisors, 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 2,949 shares
    Change vs previous 13F +115 shares

    0.51% of the 13F portfolio, value $1,037,606.

    13F-HR 0001951757-26-000682 filed by Riverstone Advisors, 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 2,834 shares
    Change vs previous 13F +108 shares

    0.44% of the 13F portfolio, value $927,597.

    13F-HR 0001951757-26-000343 filed by Riverstone Advisors, 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 2,726 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $769,277.

    13F-HR 0001951757-25-001320 filed by Riverstone Advisors, 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 2,726 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $761,126.

    13F-HR 0001951757-25-001068 filed by Riverstone Advisors, 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 2,726 shares
    Change vs previous 13F -20 shares

    0.51% of the 13F portfolio, value $849,285.

    13F-HR 0001951757-25-000460 filed by Riverstone Advisors, 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 2,746 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $715,717.

    13F-HR 0001951757-25-000113 filed by Riverstone Advisors, 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 2,746 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $884,789.

    13F-HR 0001951757-24-001161 filed by Riverstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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