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Disclosery

REIK & CO., LLC: GLW position timeline

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

REIK & CO., LLC held 17,971 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,971 shares
    Change vs previous 13F 0 shares

    1.2% of the 13F portfolio, value $4,590,333.

    13F-HR 0001388028-26-000003 filed by REIK & CO., 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 17,971 shares
    Change vs previous 13F 0 shares

    0.67% of the 13F portfolio, value $2,443,517.

    13F-HR 0001388028-26-000002 filed by REIK & CO., 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 17,971 shares
    Change vs previous 13F -925 shares

    0.43% of the 13F portfolio, value $1,573,541.

    13F-HR 0001388028-26-000001 filed by REIK & CO., 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 18,896 shares
    Change vs previous 13F +66 shares

    0.4% of the 13F portfolio, value $1,550,039.

    13F-HR 0001388028-25-000006 filed by REIK & CO., 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 18,830 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $990,270.

    13F-HR 0001388028-25-000003 filed by REIK & CO., 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 18,830 shares
    Change vs previous 13F 0 shares

    0.2% of the 13F portfolio, value $862,037.

    13F-HR 0001388028-25-000002 filed by REIK & CO., 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 18,830 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $894,801.

    13F-HR 0001388028-25-000001 filed by REIK & CO., 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 18,830 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $850,175.

    13F-HR 0001388028-24-000004 filed by REIK & CO., LLC
    Filed (acceptance time not in the bulk data set), ingested

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