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Headwater Capital Co Ltd: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Headwater Capital Co Ltd on TSM, newest first. How the timeline and the estimate are built.

Headwater Capital Co Ltd held 210,000 TSM 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 210,000 shares
    Change vs previous 13F -126,000 shares

    20.33% of the 13F portfolio, value $100,289,700.

    13F-HR 0002036346-26-000007 filed by Headwater Capital Co 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 336,000 shares
    Change vs previous 13F -28,000 shares

    18.26% of the 13F portfolio, value $113,551,200.

    13F-HR 0002036346-26-000006 filed by Headwater Capital Co 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/A 364,000 shares
    Change vs previous 13F +52,000 shares

    23% of the 13F portfolio, value $110,615,960.

    13F-HR/A 0002036346-26-000005 filed by Headwater Capital Co Ltd
    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 312,000 shares
    Change vs previous 13F +32,000 shares

    21.32% of the 13F portfolio, value $87,138,480.

    13F-HR 0002036346-25-000009 filed by Headwater Capital Co 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 280,000 shares
    Change vs previous 13F +60,000 shares

    22.2% of the 13F portfolio, value $63,417,200.

    13F-HR 0002036346-25-000007 filed by Headwater Capital Co 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/A 220,000 shares
    Change vs previous 13F -30,000 shares

    16.6% of the 13F portfolio, value $36,520,000.

    13F-HR/A 0002036346-25-000005 filed by Headwater Capital Co 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 250,000 shares
    Change vs previous 13F not available

    26.32% of the 13F portfolio, value $49,372,500.

    13F-HR 0002036346-25-000001 filed by Headwater Capital Co Ltd
    Filed (acceptance time not in the bulk data set), ingested

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