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Cambridge Investment Research Advisors, Inc.: PRK position timeline

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

Cambridge Investment Research Advisors, Inc. held 4,526 PRK 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 4,526 shares
    Change vs previous 13F +1 shares

    <0.01% of the 13F portfolio, value $828,000.

    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 4,525 shares
    Change vs previous 13F +8 shares

    <0.01% of the 13F portfolio, value $740,000.

    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 4,517 shares
    Change vs previous 13F +45 shares

    <0.01% of the 13F portfolio, value $687,000.

    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 4,472 shares
    Change vs previous 13F -1,525 shares

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

    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 5,997 shares
    Change vs previous 13F +15 shares

    <0.01% of the 13F portfolio, value $1,003,000.

    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 5,982 shares
    Change vs previous 13F +15 shares

    <0.01% of the 13F portfolio, value $906,000.

    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 5,967 shares
    Change vs previous 13F +564 shares

    <0.01% of the 13F portfolio, value $1,023,000.

    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 5,403 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $908,000.

    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).