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Disclosery

GAMMA Investing LLC: SHM position timeline

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

GAMMA Investing LLC held 179,586 SHM 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 179,586 shares
    Change vs previous 13F +100,465 shares

    0.28% of the 13F portfolio, value $8,377,687.

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

  2. period ended2026-06-30
    13F 79,121 shares
    Change vs previous 13F +11,332 shares

    0.14% of the 13F portfolio, value $3,795,040.

    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 67,789 shares
    Change vs previous 13F +73 shares

    0.15% of the 13F portfolio, value $3,242,348.

    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 67,716 shares
    Change vs previous 13F -1,848 shares

    0.16% of the 13F portfolio, value $3,249,691.

    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 69,564 shares
    Change vs previous 13F +9,688 shares

    0.18% of the 13F portfolio, value $3,354,376.

    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 59,876 shares
    Change vs previous 13F +29,250 shares

    0.18% of the 13F portfolio, value $2,863,869.

    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 30,626 shares
    Change vs previous 13F +6,857 shares

    0.11% of the 13F portfolio, value $1,457,798.

    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 23,769 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $1,126,413.

    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).