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Cambridge Investment Research Advisors, Inc.: MARA position timeline

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

Cambridge Investment Research Advisors, Inc. held 88,823 MARA 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 88,823 shares
    Change vs previous 13F -6,740 shares

    <0.01% of the 13F portfolio, value $1,234,000.

    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 95,563 shares
    Change vs previous 13F -11,315 shares

    <0.01% of the 13F portfolio, value $780,000.

    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 106,878 shares
    Change vs previous 13F +6,554 shares

    <0.01% of the 13F portfolio, value $960,000.

    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 100,324 shares
    Change vs previous 13F -1,731 shares

    0.01% of the 13F portfolio, value $1,832,000.

    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 102,055 shares
    Change vs previous 13F +61,019 shares

    <0.01% of the 13F portfolio, value $1,600,000.

    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 41,036 shares
    Change vs previous 13F -2,343 shares

    <0.01% of the 13F portfolio, value $472,000.

    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 43,379 shares
    Change vs previous 13F +752 shares

    <0.01% of the 13F portfolio, value $727,000.

    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).

  8. period ended2024-09-30
    13F 42,627 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $691,000.

    13F-HR 0001419186-24-000006 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).