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GAMMA Investing LLC: AMP position timeline

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

GAMMA Investing LLC held 4,944 AMP 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 4,944 shares
    Change vs previous 13F +219 shares

    0.08% of the 13F portfolio, value $2,434,178.

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

  2. period ended2026-06-30
    13F 4,725 shares
    Change vs previous 13F +87 shares

    0.08% of the 13F portfolio, value $2,167,641.

    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 4,638 shares
    Change vs previous 13F -88 shares

    0.1% of the 13F portfolio, value $2,061,127.

    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 4,726 shares
    Change vs previous 13F -122 shares

    0.12% of the 13F portfolio, value $2,317,347.

    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 4,848 shares
    Change vs previous 13F +131 shares

    0.13% of the 13F portfolio, value $2,381,580.

    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 4,717 shares
    Change vs previous 13F +350 shares

    0.16% of the 13F portfolio, value $2,517,604.

    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 4,367 shares
    Change vs previous 13F +83 shares

    0.16% of the 13F portfolio, value $2,114,108.

    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 4,284 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $2,280,930.

    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).