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Cambridge Advisors Inc.: GLW position timeline

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

Cambridge Advisors Inc. held 34,706 GLW 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 34,706 shares
    Change vs previous 13F -50 shares

    1.52% of the 13F portfolio, value $8,864,954.

    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 34,756 shares
    Change vs previous 13F +55 shares

    0.92% of the 13F portfolio, value $4,725,783.

    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 34,701 shares
    Change vs previous 13F +25 shares

    0.58% of the 13F portfolio, value $3,038,420.

    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 34,676 shares
    Change vs previous 13F -922 shares

    0.56% of the 13F portfolio, value $2,844,472.

    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 35,598 shares
    Change vs previous 13F -55 shares

    0.39% of the 13F portfolio, value $1,872,099.

    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 35,653 shares
    Change vs previous 13F +55 shares

    0.36% of the 13F portfolio, value $1,632,210.

    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 35,598 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $1,691,617.

    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 35,598 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $1,607,250.

    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).