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GAMMA Investing LLC: AMPX position timeline

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

GAMMA Investing LLC held 1,892 AMPX 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 1,892 shares
    Change vs previous 13F +1,020 shares

    <0.01% of the 13F portfolio, value $18,315.

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

  2. period ended2026-06-30
    13F 872 shares
    Change vs previous 13F -9 shares

    <0.01% of the 13F portfolio, value $12,086.

    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 881 shares
    Change vs previous 13F +115 shares

    <0.01% of the 13F portfolio, value $14,854.

    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 766 shares
    Change vs previous 13F +689 shares

    <0.01% of the 13F portfolio, value $6,044.

    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 77 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $810.

    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).