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Disclosery

CHELSEA COUNSEL CO: GLW position timeline

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

CHELSEA COUNSEL CO held 60,956 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 60,956 shares
    Change vs previous 13F -985 shares

    6.59% of the 13F portfolio, value $15,569,992.

    13F-HR 0001420506-26-001529 filed by CHELSEA COUNSEL CO
    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/A 61,941 shares
    Change vs previous 13F -10,630 shares

    3.75% of the 13F portfolio, value $8,422,118.

    13F-HR/A 0001420506-26-001179 filed by CHELSEA COUNSEL CO
    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 72,571 shares
    Change vs previous 13F +350 shares

    2.73% of the 13F portfolio, value $6,354,317.

    13F-HR 0001420506-26-000608 filed by CHELSEA COUNSEL CO
    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 72,221 shares
    Change vs previous 13F +100 shares

    2.63% of the 13F portfolio, value $5,924,289.

    13F-HR 0001420506-25-003485 filed by CHELSEA COUNSEL CO
    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 72,121 shares
    Change vs previous 13F 0 shares

    1.88% of the 13F portfolio, value $3,792,844.

    13F-HR 0001420506-25-001525 filed by CHELSEA COUNSEL CO
    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 72,121 shares
    Change vs previous 13F -150 shares

    1.79% of the 13F portfolio, value $3,301,700.

    13F-HR 0001420506-25-001334 filed by CHELSEA COUNSEL CO
    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 72,271 shares
    Change vs previous 13F -1,035 shares

    1.77% of the 13F portfolio, value $3,434,318.

    13F-HR 0001420506-25-000653 filed by CHELSEA COUNSEL CO
    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 73,306 shares
    Change vs previous 13F not available

    1.63% of the 13F portfolio, value $3,309,766.

    13F-HR 0001420506-24-002603 filed by CHELSEA COUNSEL CO
    Filed (acceptance time not in the bulk data set), ingested

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