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Disclosery

DF DENT & CO INC: FAST position timeline

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

DF DENT & CO INC held 2,577,410 FAST 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 2,577,410 shares
    Change vs previous 13F -89,887 shares

    2.35% of the 13F portfolio, value $123,792,998.

    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 2,667,297 shares
    Change vs previous 13F -231,996 shares

    2.37% of the 13F portfolio, value $123,762,566.

    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 2,899,293 shares
    Change vs previous 13F -256,564 shares

    1.67% of the 13F portfolio, value $116,348,647.

    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 3,155,857 shares
    Change vs previous 13F -179,639 shares

    2% of the 13F portfolio, value $154,763,244.

    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 3,335,496 shares
    Change vs previous 13F +1,159,829 shares

    1.78% of the 13F portfolio, value $140,090,829.

    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 2,175,667 shares
    Change vs previous 13F -121,549 shares

    2.25% of the 13F portfolio, value $168,722,952.

    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 2,297,216 shares
    Change vs previous 13F -212,779 shares

    2.09% of the 13F portfolio, value $165,192,836.

    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 2,509,995 shares
    Change vs previous 13F not available

    2.18% of the 13F portfolio, value $179,263,866.

    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).