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Polymer Capital Management (US) LLC: CMCSA position timeline

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

Polymer Capital Management (US) LLC held 0 CMCSA 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 0 shares
    Change vs previous 13F -21,952 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 21,952 shares
    Change vs previous 13F -9,622 shares

    0.09% of the 13F portfolio, value $630,242.

    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 31,574 shares
    Change vs previous 13F +13,684 shares

    0.12% of the 13F portfolio, value $943,747.

    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 17,890 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $562,104.

    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).