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Disclosery

GAMMA Investing LLC: STX position timeline

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

GAMMA Investing LLC held 6,988 STX 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 6,988 shares
    Change vs previous 13F +375 shares

    0.22% of the 13F portfolio, value $6,445,312.

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

  2. period ended2026-06-30
    13F 6,613 shares
    Change vs previous 13F +62 shares

    0.24% of the 13F portfolio, value $6,381,545.

    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 6,551 shares
    Change vs previous 13F +248 shares

    0.12% of the 13F portfolio, value $2,566,420.

    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 6,303 shares
    Change vs previous 13F +606 shares

    0.09% of the 13F portfolio, value $1,735,783.

    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 5,697 shares
    Change vs previous 13F +733 shares

    0.07% of the 13F portfolio, value $1,344,834.

    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 4,964 shares
    Change vs previous 13F +1,937 shares

    0.05% of the 13F portfolio, value $716,454.

    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 3,027 shares
    Change vs previous 13F +237 shares

    0.02% of the 13F portfolio, value $257,144.

    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 2,790 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $240,805.

    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).