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Disclosery

GAMMA Investing LLC: AMG position timeline

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

GAMMA Investing LLC held 1,674 AMG 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 1,674 shares
    Change vs previous 13F +81 shares

    0.02% of the 13F portfolio, value $612,031.

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

  2. period ended2026-06-30
    13F 1,593 shares
    Change vs previous 13F +34 shares

    0.02% of the 13F portfolio, value $539,071.

    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 1,559 shares
    Change vs previous 13F +41 shares

    0.02% of the 13F portfolio, value $431,375.

    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 1,518 shares
    Change vs previous 13F +185 shares

    0.02% of the 13F portfolio, value $437,609.

    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 1,333 shares
    Change vs previous 13F +81 shares

    0.02% of the 13F portfolio, value $317,827.

    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 1,252 shares
    Change vs previous 13F +502 shares

    0.02% of the 13F portfolio, value $246,356.

    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 750 shares
    Change vs previous 13F -138 shares

    0.01% of the 13F portfolio, value $126,023.

    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 888 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $164,209.

    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).