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Disclosery

DF DENT & CO INC: PTC position timeline

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

DF DENT & CO INC held 145,019 PTC 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 145,019 shares
    Change vs previous 13F -35,570 shares

    0.31% of the 13F portfolio, value $16,475,572.

    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 180,589 shares
    Change vs previous 13F -126,203 shares

    0.49% of the 13F portfolio, value $25,732,097.

    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 306,792 shares
    Change vs previous 13F -17,615 shares

    0.77% of the 13F portfolio, value $53,446,311.

    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 324,407 shares
    Change vs previous 13F +30,286 shares

    0.85% of the 13F portfolio, value $65,861,010.

    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 294,121 shares
    Change vs previous 13F +120,852 shares

    0.64% of the 13F portfolio, value $50,688,775.

    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 173,269 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $26,847,977.

    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).