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Disclosery

DF DENT & CO INC: AIT position timeline

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

DF DENT & CO INC held 90,968 AIT 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 90,968 shares
    Change vs previous 13F +712 shares

    0.58% of the 13F portfolio, value $30,760,883.

    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 90,256 shares
    Change vs previous 13F -5,009 shares

    0.46% of the 13F portfolio, value $23,946,682.

    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 95,265 shares
    Change vs previous 13F -2,616 shares

    0.35% of the 13F portfolio, value $24,461,199.

    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 97,881 shares
    Change vs previous 13F -1,273 shares

    0.33% of the 13F portfolio, value $25,551,949.

    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 99,154 shares
    Change vs previous 13F +53,031 shares

    0.29% of the 13F portfolio, value $23,048,349.

    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 46,123 shares
    Change vs previous 13F +22,177 shares

    0.14% of the 13F portfolio, value $10,393,428.

    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 23,946 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $5,734,349.

    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).