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VALICENTI ADVISORY SERVICES INC: GLW position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VALICENTI ADVISORY SERVICES INC on GLW, newest first. How the timeline and the estimate are built.

VALICENTI ADVISORY SERVICES INC held 112,618 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 112,618 shares
    Change vs previous 13F -9,092 shares

    5.43% of the 13F portfolio, value $28,766,000.

    13F-HR 0001080201-26-000004 filed by VALICENTI ADVISORY SERVICES 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 121,710 shares
    Change vs previous 13F -20,033 shares

    3.61% of the 13F portfolio, value $16,549,000.

    13F-HR 0001080201-26-000002 filed by VALICENTI ADVISORY SERVICES 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 141,743 shares
    Change vs previous 13F -8,860 shares

    2.6% of the 13F portfolio, value $12,411,000.

    13F-HR 0001080201-26-000001 filed by VALICENTI ADVISORY SERVICES 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 150,603 shares
    Change vs previous 13F -13,736 shares

    2.65% of the 13F portfolio, value $12,354,000.

    13F-HR 0001080201-25-000006 filed by VALICENTI ADVISORY SERVICES 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 164,339 shares
    Change vs previous 13F +8,862 shares

    2.02% of the 13F portfolio, value $8,643,000.

    13F-HR 0001080201-25-000004 filed by VALICENTI ADVISORY SERVICES 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 155,477 shares
    Change vs previous 13F -1,344 shares

    1.83% of the 13F portfolio, value $7,118,000.

    13F-HR 0001080201-25-000002 filed by VALICENTI ADVISORY SERVICES 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 156,821 shares
    Change vs previous 13F +25,305 shares

    1.86% of the 13F portfolio, value $7,452,000.

    13F-HR 0001080201-25-000001 filed by VALICENTI ADVISORY SERVICES 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 131,516 shares
    Change vs previous 13F not available

    1.53% of the 13F portfolio, value $5,938,000.

    13F-HR 0001080201-24-000005 filed by VALICENTI ADVISORY SERVICES INC
    Filed (acceptance time not in the bulk data set), ingested

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