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Disclosery

Overbrook Management Corp: GLW position timeline

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

Overbrook Management Corp held 27,060 GLW shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 27,060 shares
    Change vs previous 13F -51 shares

    0.65% of the 13F portfolio, value $4,160,746.

    13F-HR 0001269786-26-000006 filed by Overbrook Management Corp
    Accepted , ingested

  2. period ended2026-06-30
    13F 27,111 shares
    Change vs previous 13F +51 shares

    1.04% of the 13F portfolio, value $6,924,963.

    13F-HR 0001269786-26-000003 filed by Overbrook Management Corp
    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 27,060 shares
    Change vs previous 13F +60 shares

    0.69% of the 13F portfolio, value $3,679,348.

    13F-HR 0001269786-26-000002 filed by Overbrook Management Corp
    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 27,000 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $2,364,120.

    13F-HR 0001269786-26-000001 filed by Overbrook Management Corp
    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 27,000 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $2,214,810.

    13F-HR 0001269786-25-000007 filed by Overbrook Management Corp
    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 27,000 shares
    Change vs previous 13F 0 shares

    0.26% of the 13F portfolio, value $1,419,930.

    13F-HR 0001269786-25-000006 filed by Overbrook Management Corp
    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 27,000 shares
    Change vs previous 13F 0 shares

    0.29% of the 13F portfolio, value $1,236,060.

    13F-HR 0001269786-25-000005 filed by Overbrook Management Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 27,000 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $1,283,040.

    13F-HR 0001269786-25-000002 filed by Overbrook Management Corp
    Filed (acceptance time not in the bulk data set), ingested

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