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Disclosery

Rock Point Advisors, LLC: GLW position timeline

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

Rock Point Advisors, LLC held 21,225 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,225 shares
    Change vs previous 13F -14,737 shares

    1.33% of the 13F portfolio, value $5,421,502.

    13F-HR 0001301540-26-000004 filed by Rock Point Advisors, LLC
    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 35,962 shares
    Change vs previous 13F -35,054 shares

    1.32% of the 13F portfolio, value $4,889,753.

    13F-HR 0001301540-26-000002 filed by Rock Point Advisors, LLC
    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 71,016 shares
    Change vs previous 13F -2,169 shares

    1.56% of the 13F portfolio, value $6,218,161.

    13F-HR 0001301540-26-000001 filed by Rock Point Advisors, LLC
    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 73,185 shares
    Change vs previous 13F -47,675 shares

    1.59% of the 13F portfolio, value $6,003,366.

    13F-HR 0001301540-25-000009 filed by Rock Point Advisors, LLC
    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 120,860 shares
    Change vs previous 13F -825 shares

    1.79% of the 13F portfolio, value $6,356,044.

    13F-HR 0001301540-25-000005 filed by Rock Point Advisors, LLC
    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 121,685 shares
    Change vs previous 13F +75 shares

    1.72% of the 13F portfolio, value $5,570,754.

    13F-HR 0001301540-25-000003 filed by Rock Point Advisors, LLC
    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 121,610 shares
    Change vs previous 13F -11,300 shares

    1.68% of the 13F portfolio, value $5,778,922.

    13F-HR 0001301540-25-000001 filed by Rock Point Advisors, LLC
    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 132,910 shares
    Change vs previous 13F not available

    1.64% of the 13F portfolio, value $6,000,901.

    13F-HR 0001301540-24-000008 filed by Rock Point Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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