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Disclosery

GAMMA Investing LLC: AMGN position timeline

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

GAMMA Investing LLC held 19,951 AMGN shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 19,951 shares
    Change vs previous 13F +1,556 shares

    0.28% of the 13F portfolio, value $8,409,476.

    13F-HR 0002010235-26-000007 filed by GAMMA Investing LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 18,395 shares
    Change vs previous 13F +1,012 shares

    0.25% of the 13F portfolio, value $6,661,061.

    13F-HR 0002010235-26-000005 filed by GAMMA Investing 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 17,383 shares
    Change vs previous 13F +1,344 shares

    0.29% of the 13F portfolio, value $6,116,143.

    13F-HR 0002010235-26-000003 filed by GAMMA Investing 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 16,039 shares
    Change vs previous 13F +2,901 shares

    0.26% of the 13F portfolio, value $5,249,664.

    13F-HR 0002010235-26-000001 filed by GAMMA Investing 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 13,138 shares
    Change vs previous 13F +1,365 shares

    0.2% of the 13F portfolio, value $3,707,491.

    13F-HR 0002010235-25-000009 filed by GAMMA Investing 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 11,773 shares
    Change vs previous 13F +20 shares

    0.21% of the 13F portfolio, value $3,287,088.

    13F-HR 0002010235-25-000007 filed by GAMMA Investing 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/A 11,753 shares
    Change vs previous 13F +3,369 shares

    0.27% of the 13F portfolio, value $3,661,589.

    13F-HR/A 0002010235-25-000006 filed by GAMMA Investing 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 8,384 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $2,185,157.

    13F-HR 0002010235-25-000001 filed by GAMMA Investing LLC
    Filed (acceptance time not in the bulk data set), ingested

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