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Polymer Capital Management (HK) LTD: ATAT position timeline

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

Polymer Capital Management (HK) LTD held 9,000 ATAT shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,000 shares
    Change vs previous 13F -26,390 shares

    0.03% of the 13F portfolio, value $286,200.

    13F-HR 0001970465-26-000006 filed by Polymer Capital Management (HK) LTD
    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 35,390 shares
    Change vs previous 13F +35,390 shares

    0.18% of the 13F portfolio, value $1,302,706.

    13F-HR 0001970465-26-000004 filed by Polymer Capital Management (HK) LTD
    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 0 shares
    Change vs previous 13F -23,736 shares

    13F-HR 0001970465-26-000002 filed by Polymer Capital Management (HK) LTD
    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.

  4. period ended2025-09-30
    13F 23,736 shares
    Change vs previous 13F -54,368 shares

    0.12% of the 13F portfolio, value $892,236.

    13F-HR 0001970465-25-000012 filed by Polymer Capital Management (HK) LTD
    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 78,104 shares
    Change vs previous 13F -11,722 shares

    0.4% of the 13F portfolio, value $2,539,161.

    13F-HR 0001970465-25-000008 filed by Polymer Capital Management (HK) LTD
    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 89,826 shares
    Change vs previous 13F +626 shares

    0.44% of the 13F portfolio, value $2,546,567.

    13F-HR 0001970465-25-000006 filed by Polymer Capital Management (HK) LTD
    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 89,200 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $2,398,588.

    13F-HR 0001970465-25-000004 filed by Polymer Capital Management (HK) LTD
    Filed (acceptance time not in the bulk data set), ingested

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