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Disclosery

GAMMA Investing LLC: SNDK position timeline

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

GAMMA Investing LLC held 5,786 SNDK 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 5,786 shares
    Change vs previous 13F +5 shares

    0.34% of the 13F portfolio, value $10,067,004.

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

  2. period ended2026-06-30
    13F 5,781 shares
    Change vs previous 13F +1,008 shares

    0.49% of the 13F portfolio, value $13,144,433.

    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 4,773 shares
    Change vs previous 13F +731 shares

    0.14% of the 13F portfolio, value $3,032,478.

    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 4,042 shares
    Change vs previous 13F +126 shares

    0.05% of the 13F portfolio, value $959,490.

    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 3,916 shares
    Change vs previous 13F +777 shares

    0.02% of the 13F portfolio, value $439,375.

    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 3,139 shares
    Change vs previous 13F -521 shares

    0.01% of the 13F portfolio, value $142,354.

    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 3,660 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $174,253.

    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).