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Disclosery

Thompson David Blair: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Thompson David Blair on TSM, newest first. How the timeline and the estimate are built.

Thompson David Blair held 3,036 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 3,036 shares
    Change vs previous 13F -374 shares

    0.72% of the 13F portfolio, value $1,449,903.

    13F-HR 0002150492-26-000003 filed by Thompson David Blair
    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 3,410 shares
    Change vs previous 13F +1,403 shares

    0.66% of the 13F portfolio, value $1,152,410.

    13F-HR 0002150492-26-000001 filed by Thompson David Blair
    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 2,007 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $609,907.

    13F-HR 0002150492-26-000002 filed by Thompson David Blair
    Filed (acceptance time not in the bulk data set), ingested

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