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Disclosery

GAMMA Investing LLC: GM position timeline

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

GAMMA Investing LLC held 33,896 GM 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 33,896 shares
    Change vs previous 13F +2,441 shares

    0.09% of the 13F portfolio, value $2,609,993.

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

  2. period ended2026-06-30
    13F 31,455 shares
    Change vs previous 13F +2,227 shares

    0.09% of the 13F portfolio, value $2,424,515.

    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 29,228 shares
    Change vs previous 13F +713 shares

    0.1% of the 13F portfolio, value $2,177,486.

    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 28,515 shares
    Change vs previous 13F +4,799 shares

    0.12% of the 13F portfolio, value $2,318,840.

    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 23,716 shares
    Change vs previous 13F +3,072 shares

    0.08% of the 13F portfolio, value $1,445,965.

    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 20,644 shares
    Change vs previous 13F +511 shares

    0.06% of the 13F portfolio, value $1,015,891.

    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 20,133 shares
    Change vs previous 13F +1,933 shares

    0.07% of the 13F portfolio, value $946,855.

    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 18,200 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $969,514.

    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).