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Polymer Capital Management (US) LLC: GLW position timeline

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

Polymer Capital Management (US) LLC held 26,310 GLW shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,310 shares
    Change vs previous 13F -34,913 shares

    1% of the 13F portfolio, value $6,720,363.

    13F-HR 0001973324-26-000009 filed by Polymer Capital Management (US) 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 61,223 shares
    Change vs previous 13F +47,010 shares

    1.23% of the 13F portfolio, value $8,324,491.

    13F-HR 0001973324-26-000007 filed by Polymer Capital Management (US) 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 14,213 shares
    Change vs previous 13F -13,235 shares

    0.16% of the 13F portfolio, value $1,244,490.

    13F-HR 0001973324-26-000003 filed by Polymer Capital Management (US) 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 27,448 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $2,251,559.

    13F-HR 0001973324-25-000011 filed by Polymer Capital Management (US) LLC
    Filed (acceptance time not in the bulk data set), ingested

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