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Joel Isaacson & Co., LLC: HACK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Joel Isaacson & Co., LLC on HACK, newest first. How the timeline and the estimate are built.

Joel Isaacson & Co., LLC held 3,703 HACK shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,703 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $388,585.

    13F-HR 0001599330-26-000003 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 3,703 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $278,079.

    13F-HR 0001599330-26-000002 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 3,703 shares
    Change vs previous 13F +263 shares

    0.01% of the 13F portfolio, value $297,633.

    13F-HR 0001599330-26-000001 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 3,440 shares
    Change vs previous 13F +404 shares

    0.01% of the 13F portfolio, value $298,594.

    13F-HR 0001599330-25-000005 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 3,036 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $262,253.

    13F-HR 0001085146-25-004047 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 3,036 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $218,012.

    13F-HR 0001085146-25-002335 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 3,036 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $226,180.

    13F-HR 0001085146-25-000531 filed by Joel Isaacson & Co., LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).