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Disclosery

GAMMA Investing LLC: ATRO position timeline

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

GAMMA Investing LLC held 730 ATRO 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 730 shares
    Change vs previous 13F +82 shares

    <0.01% of the 13F portfolio, value $49,217.

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

  2. period ended2026-06-30
    13F 648 shares
    Change vs previous 13F +26 shares

    <0.01% of the 13F portfolio, value $52,656.

    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 622 shares
    Change vs previous 13F +48 shares

    <0.01% of the 13F portfolio, value $41,506.

    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 574 shares
    Change vs previous 13F +103 shares

    <0.01% of the 13F portfolio, value $31,134.

    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 471 shares
    Change vs previous 13F +263 shares

    <0.01% of the 13F portfolio, value $21,482.

    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 208 shares
    Change vs previous 13F -41 shares

    <0.01% of the 13F portfolio, value $6,964.

    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 249 shares
    Change vs previous 13F +213 shares

    <0.01% of the 13F portfolio, value $6,018.

    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 36 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $575.

    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).