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Polymer Capital Management (US) LLC: WDC position timeline

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

Polymer Capital Management (US) LLC held 473 WDC 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 473 shares
    Change vs previous 13F -1,148 shares

    0.04% of the 13F portfolio, value $302,115.

    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 1,621 shares
    Change vs previous 13F -12,234 shares

    0.06% of the 13F portfolio, value $438,464.

    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 13,855 shares
    Change vs previous 13F -97,932 shares

    0.31% of the 13F portfolio, value $2,386,801.

    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 111,787 shares
    Change vs previous 13F -42,804 shares

    1.78% of the 13F portfolio, value $13,421,147.

    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).

  5. period ended2025-06-30
    13F 154,591 shares
    Change vs previous 13F +39,663 shares

    1.62% of the 13F portfolio, value $9,892,278.

    13F-HR 0001641447-25-000003 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).

  6. period ended2025-03-31
    13F 114,928 shares
    Change vs previous 13F +19,151 shares

    1.4% of the 13F portfolio, value $4,646,539.

    13F-HR 0001973324-25-000006 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).

  7. period ended2024-12-31
    13F 95,777 shares
    Change vs previous 13F not available

    1.83% of the 13F portfolio, value $5,711,183.

    13F-HR 0001420506-25-000335 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).