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Disclosery

DF DENT & CO INC: ORLY position timeline

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

DF DENT & CO INC held 467,562 ORLY 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 467,562 shares
    Change vs previous 13F -4,320 shares

    0.82% of the 13F portfolio, value $43,057,785.

    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 471,882 shares
    Change vs previous 13F -16,170 shares

    0.83% of the 13F portfolio, value $43,559,427.

    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 488,052 shares
    Change vs previous 13F -9,579 shares

    0.64% of the 13F portfolio, value $44,515,223.

    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 497,631 shares
    Change vs previous 13F -22,139 shares

    0.69% of the 13F portfolio, value $53,649,598.

    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 519,770 shares
    Change vs previous 13F +484,076 shares

    0.59% of the 13F portfolio, value $46,846,870.

    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 35,694 shares
    Change vs previous 13F -214 shares

    0.68% of the 13F portfolio, value $51,134,511.

    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 35,908 shares
    Change vs previous 13F -360 shares

    0.54% of the 13F portfolio, value $42,579,706.

    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 36,268 shares
    Change vs previous 13F not available

    0.51% of the 13F portfolio, value $41,766,229.

    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).