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Disclosery

GAMMA Investing LLC: MPC position timeline

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

GAMMA Investing LLC held 15,098 MPC 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 15,098 shares
    Change vs previous 13F +751 shares

    0.2% of the 13F portfolio, value $5,970,053.

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

  2. period ended2026-06-30
    13F 14,347 shares
    Change vs previous 13F +937 shares

    0.14% of the 13F portfolio, value $3,668,213.

    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 13,410 shares
    Change vs previous 13F +424 shares

    0.15% of the 13F portfolio, value $3,274,454.

    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 12,986 shares
    Change vs previous 13F -263 shares

    0.11% of the 13F portfolio, value $2,111,913.

    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 13,249 shares
    Change vs previous 13F +715 shares

    0.14% of the 13F portfolio, value $2,553,612.

    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 12,534 shares
    Change vs previous 13F +1,957 shares

    0.13% of the 13F portfolio, value $2,082,023.

    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 10,577 shares
    Change vs previous 13F +351 shares

    0.12% of the 13F portfolio, value $1,540,963.

    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 10,226 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $1,426,527.

    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).