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Cambridge Investment Research Advisors, Inc.: ARKX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cambridge Investment Research Advisors, Inc. on ARKX, newest first. How the timeline and the estimate are built.

Cambridge Investment Research Advisors, Inc. held 170,063 ARKX shares at 2026-06-30 per its 13F-HR/A filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 170,063 shares
    Change vs previous 13F +17,336 shares

    0.01% of the 13F portfolio, value $5,803,000.

    13F-HR/A 0001419186-26-000006 filed by Cambridge Investment Research Advisors, Inc.
    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 152,727 shares
    Change vs previous 13F +137,397 shares

    0.01% of the 13F portfolio, value $4,483,000.

    13F-HR 0001419186-26-000003 filed by Cambridge Investment Research Advisors, Inc.
    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 15,330 shares
    Change vs previous 13F +3,249 shares

    <0.01% of the 13F portfolio, value $444,000.

    13F-HR 0001419186-26-000001 filed by Cambridge Investment Research Advisors, Inc.
    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 12,081 shares
    Change vs previous 13F +1,509 shares

    <0.01% of the 13F portfolio, value $345,000.

    13F-HR 0001419186-25-000008 filed by Cambridge Investment Research Advisors, Inc.
    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 10,572 shares
    Change vs previous 13F -431 shares

    <0.01% of the 13F portfolio, value $255,000.

    13F-HR 0001419186-25-000006 filed by Cambridge Investment Research Advisors, Inc.
    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 11,003 shares
    Change vs previous 13F -653 shares

    <0.01% of the 13F portfolio, value $195,000.

    13F-HR 0001419186-25-000004 filed by Cambridge Investment Research Advisors, Inc.
    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 11,656 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $228,000.

    13F-HR 0001419186-25-000003 filed by Cambridge Investment Research Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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