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Disclosery

DF DENT & CO INC: TDG position timeline

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

DF DENT & CO INC held 111,941 TDG 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 111,941 shares
    Change vs previous 13F -10,812 shares

    2.83% of the 13F portfolio, value $149,110,271.

    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 122,753 shares
    Change vs previous 13F -26,995 shares

    2.72% of the 13F portfolio, value $142,265,784.

    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 149,748 shares
    Change vs previous 13F -16,536 shares

    2.87% of the 13F portfolio, value $199,141,775.

    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 166,284 shares
    Change vs previous 13F +472 shares

    2.83% of the 13F portfolio, value $219,165,233.

    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).

  5. period ended2025-06-30
    13F 165,812 shares
    Change vs previous 13F -2,155 shares

    3.2% of the 13F portfolio, value $252,140,323.

    13F-HR 0000934999-25-000005 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).

  6. period ended2025-03-31
    13F 167,967 shares
    Change vs previous 13F -7,243 shares

    3.1% of the 13F portfolio, value $232,347,688.

    13F-HR 0000934999-25-000004 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).

  7. period ended2024-12-31
    13F 175,210 shares
    Change vs previous 13F -4,807 shares

    2.81% of the 13F portfolio, value $222,039,921.

    13F-HR 0000934999-25-000002 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).

  8. period ended2024-09-30
    13F 180,017 shares
    Change vs previous 13F not available

    3.12% of the 13F portfolio, value $256,907,568.

    13F-HR 0000934999-24-000013 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).