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Disclosery

DF DENT & CO INC: MKL position timeline

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

DF DENT & CO INC held 24,038 MKL 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 24,038 shares
    Change vs previous 13F -2,498 shares

    0.89% of the 13F portfolio, value $46,947,079.

    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 26,536 shares
    Change vs previous 13F -7,798 shares

    0.97% of the 13F portfolio, value $50,791,474.

    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 34,334 shares
    Change vs previous 13F -5,373 shares

    1.06% of the 13F portfolio, value $73,805,653.

    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 39,707 shares
    Change vs previous 13F -2,791 shares

    0.98% of the 13F portfolio, value $75,893,473.

    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 42,498 shares
    Change vs previous 13F -12,773 shares

    1.08% of the 13F portfolio, value $84,883,805.

    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 55,271 shares
    Change vs previous 13F -27,635 shares

    1.38% of the 13F portfolio, value $103,335,831.

    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 82,906 shares
    Change vs previous 13F -15,172 shares

    1.81% of the 13F portfolio, value $143,114,117.

    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).

  8. period ended2024-09-30
    13F 98,078 shares
    Change vs previous 13F not available

    1.87% of the 13F portfolio, value $153,843,613.

    13F-HR 0000934999-24-000013 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).