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Disclosery

DF DENT & CO INC: TSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DF DENT & CO INC on TSM, newest first. How the timeline and the estimate are built.

DF DENT & CO INC held 106,282 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 106,282 shares
    Change vs previous 13F +105,316 shares

    0.96% of the 13F portfolio, value $50,757,095.

    13F-HR 0000934999-26-000003 filed by DF DENT & CO INC
    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 966 shares
    Change vs previous 13F +48 shares

    0.01% of the 13F portfolio, value $326,460.

    13F-HR 0000934999-26-000002 filed by DF DENT & CO INC
    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 918 shares
    Change vs previous 13F -44 shares

    <0.01% of the 13F portfolio, value $278,971.

    13F-HR 0000934999-26-000001 filed by DF DENT & CO INC
    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 962 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $268,677.

    13F-HR 0000934999-25-000008 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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