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Disclosery

GAMMA Investing LLC: MA position timeline

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

GAMMA Investing LLC held 24,890 MA 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 24,890 shares
    Change vs previous 13F +2,309 shares

    0.46% of the 13F portfolio, value $13,726,089.

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

  2. period ended2026-06-30
    13F 22,581 shares
    Change vs previous 13F +2,085 shares

    0.43% of the 13F portfolio, value $11,597,697.

    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 20,496 shares
    Change vs previous 13F +2,007 shares

    0.48% of the 13F portfolio, value $10,241,031.

    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 18,489 shares
    Change vs previous 13F +648 shares

    0.53% of the 13F portfolio, value $10,555,000.

    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 17,841 shares
    Change vs previous 13F +1,060 shares

    0.56% of the 13F portfolio, value $10,148,139.

    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 16,781 shares
    Change vs previous 13F +1,774 shares

    0.6% of the 13F portfolio, value $9,429,915.

    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 15,007 shares
    Change vs previous 13F +2,493 shares

    0.62% of the 13F portfolio, value $8,225,637.

    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 12,514 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $6,589,497.

    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).