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Disclosery

DF DENT & CO INC: CNM position timeline

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

DF DENT & CO INC held 479,476 CNM 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 479,476 shares
    Change vs previous 13F +5,126 shares

    0.44% of the 13F portfolio, value $23,134,736.

    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 474,350 shares
    Change vs previous 13F -27,208 shares

    0.45% of the 13F portfolio, value $23,432,908.

    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 501,558 shares
    Change vs previous 13F -7,687 shares

    0.38% of the 13F portfolio, value $26,065,980.

    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 509,245 shares
    Change vs previous 13F -115,531 shares

    0.35% of the 13F portfolio, value $27,412,674.

    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 624,776 shares
    Change vs previous 13F -175,338 shares

    0.48% of the 13F portfolio, value $37,705,207.

    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 800,114 shares
    Change vs previous 13F -15,010 shares

    0.52% of the 13F portfolio, value $38,653,507.

    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 815,124 shares
    Change vs previous 13F -22,569 shares

    0.53% of the 13F portfolio, value $41,497,984.

    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 837,693 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $37,193,577.

    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).