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Disclosery

GAMMA Investing LLC: AM position timeline

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

GAMMA Investing LLC held 16,193 AM 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 16,193 shares
    Change vs previous 13F +143 shares

    0.01% of the 13F portfolio, value $326,451.

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

  2. period ended2026-06-30
    13F 16,050 shares
    Change vs previous 13F +3,269 shares

    0.01% of the 13F portfolio, value $365,138.

    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 12,781 shares
    Change vs previous 13F +1,897 shares

    0.01% of the 13F portfolio, value $291,407.

    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 10,884 shares
    Change vs previous 13F +701 shares

    0.01% of the 13F portfolio, value $193,626.

    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 10,183 shares
    Change vs previous 13F +1,310 shares

    0.01% of the 13F portfolio, value $197,958.

    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 8,873 shares
    Change vs previous 13F +336 shares

    0.01% of the 13F portfolio, value $168,143.

    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 8,537 shares
    Change vs previous 13F +2,165 shares

    0.01% of the 13F portfolio, value $153,666.

    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 6,372 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $96,153.

    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).