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Disclosery

Polymer Capital Management (US) LLC: CSX position timeline

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

Polymer Capital Management (US) LLC held 0 CSX 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 -53,900 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 53,900 shares
    Change vs previous 13F +31,270 shares

    0.33% of the 13F portfolio, value $2,212,595.

    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 22,630 shares
    Change vs previous 13F +16,090 shares

    0.11% of the 13F portfolio, value $820,338.

    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 6,540 shares
    Change vs previous 13F -498 shares

    0.03% of the 13F portfolio, value $232,235.

    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 7,038 shares
    Change vs previous 13F -16,351 shares

    0.04% of the 13F portfolio, value $229,650.

    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 23,389 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $688,338.

    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).