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Disclosery

Cornerstone Capital, Inc.: GLW position timeline

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

Cornerstone Capital, Inc. held 302,250 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 302,250 shares
    Change vs previous 13F -112,780 shares

    6.9% of the 13F portfolio, value $77,203,718.

    13F-HR 0001172661-26-003021 filed by Cornerstone Capital, 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 415,030 shares
    Change vs previous 13F -146,505 shares

    5.64% of the 13F portfolio, value $56,431,629.

    13F-HR 0001172661-26-001738 filed by Cornerstone Capital, 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 561,535 shares
    Change vs previous 13F -85,037 shares

    4.85% of the 13F portfolio, value $49,168,005.

    13F-HR 0001172661-26-000659 filed by Cornerstone Capital, 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 646,572 shares
    Change vs previous 13F -19,117 shares

    5.19% of the 13F portfolio, value $53,038,301.

    13F-HR 0001172661-25-004664 filed by Cornerstone Capital, 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 665,689 shares
    Change vs previous 13F +20,480 shares

    3.66% of the 13F portfolio, value $35,008,585.

    13F-HR 0001172661-25-003082 filed by Cornerstone Capital, 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 645,209 shares
    Change vs previous 13F +103,805 shares

    3.18% of the 13F portfolio, value $29,537,668.

    13F-HR 0001172661-25-001756 filed by Cornerstone Capital, 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 541,404 shares
    Change vs previous 13F -75,773 shares

    2.71% of the 13F portfolio, value $25,727,518.

    13F-HR 0001172661-25-000791 filed by Cornerstone Capital, 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 617,177 shares
    Change vs previous 13F not available

    2.6% of the 13F portfolio, value $27,865,542.

    13F-HR 0001172661-24-004417 filed by Cornerstone Capital, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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