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Disclosery

Byrne Asset Management LLC: GLW position timeline

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

Byrne Asset Management LLC held 18,233 GLW shares at 2026-09-30 per its 13F-HR filed 2026-10-06.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 18,233 shares
    Change vs previous 13F +214 shares

    1.63% of the 13F portfolio, value $2,924,938.

    13F-HR 0001911322-26-000005 filed by Byrne Asset Management LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 18,019 shares
    Change vs previous 13F -2,015 shares

    2.49% of the 13F portfolio, value $4,602,593.

    13F-HR 0001911322-26-000003 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 20,034 shares
    Change vs previous 13F -1,131 shares

    1.6% of the 13F portfolio, value $2,724,023.

    13F-HR 0001911322-26-000002 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 21,165 shares
    Change vs previous 13F -995 shares

    1.02% of the 13F portfolio, value $1,853,207.

    13F-HR 0001911322-26-000001 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 22,160 shares
    Change vs previous 13F -995 shares

    1.12% of the 13F portfolio, value $1,817,785.

    13F-HR 0001911322-25-000008 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 23,155 shares
    Change vs previous 13F +23,155 shares

    0.81% of the 13F portfolio, value $1,217,721.

    13F-HR 0001911322-25-000005 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -22,640 shares

    13F-HR 0001911322-25-000004 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-12-31
    13F 22,640 shares
    Change vs previous 13F not available

    0.76% of the 13F portfolio, value $1,075,853.

    13F-HR 0001911322-25-000001 filed by Byrne Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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