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Disclosery

GAMMA Investing LLC: MGM position timeline

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

GAMMA Investing LLC held 19,556 MGM 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 19,556 shares
    Change vs previous 13F +2,476 shares

    0.02% of the 13F portfolio, value $607,214.

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

  2. period ended2026-06-30
    13F 17,080 shares
    Change vs previous 13F +1,500 shares

    0.03% of the 13F portfolio, value $816,595.

    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 15,580 shares
    Change vs previous 13F +3,229 shares

    0.03% of the 13F portfolio, value $576,616.

    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 12,351 shares
    Change vs previous 13F +652 shares

    0.02% of the 13F portfolio, value $450,688.

    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 11,699 shares
    Change vs previous 13F +1,013 shares

    0.02% of the 13F portfolio, value $405,487.

    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 10,686 shares
    Change vs previous 13F +4,209 shares

    0.02% of the 13F portfolio, value $367,492.

    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 6,477 shares
    Change vs previous 13F +619 shares

    0.01% of the 13F portfolio, value $191,978.

    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 5,858 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $202,980.

    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).