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Disclosery

United American Securities Inc. (d/b/a UAS Asset Management): TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of United American Securities Inc. (d/b/a UAS Asset Management) on TSM, newest first. How the timeline and the estimate are built.

United American Securities Inc. (d/b/a UAS Asset Management) held 126,214 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 126,214 shares
    Change vs previous 13F +43,781 shares

    12.99% of the 13F portfolio, value $60,276,020.

    13F-HR 0000919574-26-005290 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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 82,433 shares
    Change vs previous 13F +41,687 shares

    6.08% of the 13F portfolio, value $27,858,232.

    13F-HR 0000919574-26-003005 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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 40,746 shares
    Change vs previous 13F +10,032 shares

    2.61% of the 13F portfolio, value $12,382,302.

    13F-HR 0001349353-26-000003 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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 30,714 shares
    Change vs previous 13F +30,714 shares

    1.82% of the 13F portfolio, value $8,578,113.

    13F-HR 0001349353-25-000009 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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 0 shares
    Change vs previous 13F -83,802 shares

    13F-HR 0001349353-25-000008 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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.

  6. period ended2025-03-31
    13F 83,802 shares
    Change vs previous 13F +2,214 shares

    3.35% of the 13F portfolio, value $13,911,132.

    13F-HR 0001349353-25-000005 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    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 81,588 shares
    Change vs previous 13F -7,279 shares

    3.89% of the 13F portfolio, value $16,112,814.

    13F-HR 0001349353-25-000002 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F/A 88,867 shares
    Change vs previous 13F not available

    3.75% of the 13F portfolio, value $15,433,532.

    13F-HR/A 0001349353-25-000003 filed by United American Securities Inc. (d/b/a UAS Asset Management)
    Filed (acceptance time not in the bulk data set), ingested

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