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Disclosery

DF DENT & CO INC: PRM position timeline

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

DF DENT & CO INC held 3,322,708 PRM 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 3,322,708 shares
    Change vs previous 13F -609,663 shares

    2.25% of the 13F portfolio, value $118,454,525.

    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 3,932,371 shares
    Change vs previous 13F +1,396,967 shares

    1.84% of the 13F portfolio, value $96,028,504.

    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 2,535,404 shares
    Change vs previous 13F -213,239 shares

    1% of the 13F portfolio, value $69,799,671.

    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 2,748,643 shares
    Change vs previous 13F -108,755 shares

    0.8% of the 13F portfolio, value $61,542,121.

    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 2,857,398 shares
    Change vs previous 13F +196,724 shares

    0.5% of the 13F portfolio, value $39,774,983.

    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 2,660,674 shares
    Change vs previous 13F +398,562 shares

    0.36% of the 13F portfolio, value $26,792,989.

    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 2,262,112 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $28,909,786.

    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).