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Cambridge Advisors Inc.: ROP position timeline

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

Cambridge Advisors Inc. held 1,281 ROP shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,281 shares
    Change vs previous 13F -115 shares

    0.07% of the 13F portfolio, value $433,478.

    13F-HR 0001214659-26-008644 filed by Cambridge 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 1,396 shares
    Change vs previous 13F -37 shares

    0.1% of the 13F portfolio, value $493,989.

    13F-HR 0001214659-26-004746 filed by Cambridge 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 1,433 shares
    Change vs previous 13F -137 shares

    0.12% of the 13F portfolio, value $637,871.

    13F-HR 0001214659-26-000687 filed by Cambridge 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 1,570 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $782,943.

    13F-HR 0001214659-25-014970 filed by Cambridge 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 1,570 shares
    Change vs previous 13F -50 shares

    0.19% of the 13F portfolio, value $889,939.

    13F-HR 0001214659-25-010442 filed by Cambridge 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 1,620 shares
    Change vs previous 13F 0 shares

    0.21% of the 13F portfolio, value $955,120.

    13F-HR 0001214659-25-006340 filed by Cambridge 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 1,620 shares
    Change vs previous 13F -95 shares

    0.19% of the 13F portfolio, value $842,157.

    13F-HR 0001214659-25-000800 filed by Cambridge 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 1,715 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $954,295.

    13F-HR 0001214659-24-017836 filed by Cambridge Advisors Inc.
    Filed (acceptance time not in the bulk data set), ingested

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