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Disclosery

DF DENT & CO INC: LB position timeline

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

DF DENT & CO INC held 567,536 LB 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 567,536 shares
    Change vs previous 13F +69,729 shares

    0.85% of the 13F portfolio, value $44,971,554.

    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 497,807 shares
    Change vs previous 13F +58,815 shares

    0.66% of the 13F portfolio, value $34,373,608.

    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 438,992 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $21,506,235.

    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).