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Disclosery

DF DENT & CO INC: FSS position timeline

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

DF DENT & CO INC held 213,990 FSS 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 213,990 shares
    Change vs previous 13F +2,150 shares

    0.52% of the 13F portfolio, value $27,495,614.

    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 211,840 shares
    Change vs previous 13F +12,335 shares

    0.44% of the 13F portfolio, value $22,908,343.

    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 199,505 shares
    Change vs previous 13F -4,207 shares

    0.31% of the 13F portfolio, value $21,664,282.

    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 203,712 shares
    Change vs previous 13F -57,676 shares

    0.31% of the 13F portfolio, value $24,239,697.

    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 261,388 shares
    Change vs previous 13F +67,565 shares

    0.35% of the 13F portfolio, value $27,816,881.

    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 193,823 shares
    Change vs previous 13F +130,494 shares

    0.19% of the 13F portfolio, value $14,255,699.

    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 63,329 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $5,850,923.

    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).