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Werlinich Asset Management, LLC: GLW position timeline

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

Werlinich Asset Management, LLC held 70,968 GLW shares at 2026-09-30 per its 13F-HR filed 2026-10-09.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 70,968 shares
    Change vs previous 13F +88 shares

    4.22% of the 13F portfolio, value $10,912,040.

    13F-HR 0001951757-26-001654 filed by Werlinich Asset Management, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 70,880 shares
    Change vs previous 13F -25 shares

    6.92% of the 13F portfolio, value $18,104,878.

    13F-HR 0001951757-26-000949 filed by Werlinich Asset Management, LLC
    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 70,905 shares
    Change vs previous 13F 0 shares

    4.68% of the 13F portfolio, value $9,640,953.

    13F-HR 0001951757-26-000544 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 70,905 shares
    Change vs previous 13F -50 shares

    3.1% of the 13F portfolio, value $6,300,618.

    13F-HR 0001951757-26-000009 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 70,955 shares
    Change vs previous 13F 0 shares

    2.89% of the 13F portfolio, value $5,820,439.

    13F-HR 0001085146-25-005811 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 70,955 shares
    Change vs previous 13F 0 shares

    2.04% of the 13F portfolio, value $3,731,523.

    13F-HR 0001085146-25-003680 filed by Werlinich Asset Management, LLC
    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 70,955 shares
    Change vs previous 13F 0 shares

    2.06% of the 13F portfolio, value $3,248,320.

    13F-HR 0001085146-25-002087 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 70,955 shares
    Change vs previous 13F not available

    1.95% of the 13F portfolio, value $3,359,010.

    13F-HR 0001085146-25-000215 filed by Werlinich Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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