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Disclosery

Cornerstone Advisory, LLC: GLW position timeline

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

Cornerstone Advisory, LLC held 9,241 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,241 shares
    Change vs previous 13F +117 shares

    0.2% of the 13F portfolio, value $2,360,474.

    13F-HR 0001765380-26-000238 filed by Cornerstone Advisory, 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 9,124 shares
    Change vs previous 13F +62 shares

    0.12% of the 13F portfolio, value $1,240,557.

    13F-HR 0001765380-26-000144 filed by Cornerstone Advisory, 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 9,062 shares
    Change vs previous 13F +259 shares

    0.08% of the 13F portfolio, value $793,484.

    13F-HR 0001765380-26-000050 filed by Cornerstone Advisory, 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 8,803 shares
    Change vs previous 13F +265 shares

    0.07% of the 13F portfolio, value $722,083.

    13F-HR 0001765380-25-000443 filed by Cornerstone Advisory, 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 8,538 shares
    Change vs previous 13F +10 shares

    0.05% of the 13F portfolio, value $449,004.

    13F-HR 0001765380-25-000271 filed by Cornerstone Advisory, 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 8,528 shares
    Change vs previous 13F +64 shares

    0.04% of the 13F portfolio, value $381,734.

    13F-HR 0001765380-25-000178 filed by Cornerstone Advisory, 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 8,464 shares
    Change vs previous 13F -47 shares

    0.05% of the 13F portfolio, value $444,674.

    13F-HR 0001765380-25-000128 filed by Cornerstone Advisory, 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 8,511 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $384,289.

    13F-HR 0001765380-24-000416 filed by Cornerstone Advisory, LLC
    Filed (acceptance time not in the bulk data set), ingested

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