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GAMMA Investing LLC: SIRI position timeline

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

GAMMA Investing LLC held 3,958 SIRI 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 3,958 shares
    Change vs previous 13F +1,135 shares

    <0.01% of the 13F portfolio, value $102,433.

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

  2. period ended2026-06-30
    13F 2,823 shares
    Change vs previous 13F +864 shares

    <0.01% of the 13F portfolio, value $83,391.

    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 1,959 shares
    Change vs previous 13F +1,439 shares

    <0.01% of the 13F portfolio, value $45,214.

    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 520 shares
    Change vs previous 13F -1,558 shares

    <0.01% of the 13F portfolio, value $10,397.

    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 2,078 shares
    Change vs previous 13F +1,694 shares

    <0.01% of the 13F portfolio, value $48,366.

    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 384 shares
    Change vs previous 13F -516 shares

    <0.01% of the 13F portfolio, value $8,820.

    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 900 shares
    Change vs previous 13F +586 shares

    <0.01% of the 13F portfolio, value $20,291.

    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 314 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $7,159.

    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).