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Disclosery

GAMMA Investing LLC: ATEC position timeline

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

GAMMA Investing LLC held 334 ATEC 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 334 shares
    Change vs previous 13F +156 shares

    <0.01% of the 13F portfolio, value $3,447.

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

  2. period ended2026-06-30
    13F 178 shares
    Change vs previous 13F -68 shares

    <0.01% of the 13F portfolio, value $1,540.

    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 246 shares
    Change vs previous 13F -422 shares

    <0.01% of the 13F portfolio, value $2,676.

    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 668 shares
    Change vs previous 13F +108 shares

    <0.01% of the 13F portfolio, value $14,055.

    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 560 shares
    Change vs previous 13F +301 shares

    <0.01% of the 13F portfolio, value $8,142.

    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 259 shares
    Change vs previous 13F +31 shares

    <0.01% of the 13F portfolio, value $2,875.

    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 228 shares
    Change vs previous 13F +222 shares

    <0.01% of the 13F portfolio, value $2,312.

    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 6 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $55.

    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).