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Disclosery

DF DENT & CO INC: CWST position timeline

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

DF DENT & CO INC held 446,270 CWST 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 446,270 shares
    Change vs previous 13F +118,685 shares

    0.82% of the 13F portfolio, value $43,274,812.

    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 327,585 shares
    Change vs previous 13F -15,913 shares

    0.5% of the 13F portfolio, value $25,990,607.

    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 343,498 shares
    Change vs previous 13F +66,893 shares

    0.48% of the 13F portfolio, value $33,642,197.

    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 276,605 shares
    Change vs previous 13F -23,494 shares

    0.34% of the 13F portfolio, value $26,244,310.

    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 300,099 shares
    Change vs previous 13F +11,243 shares

    0.44% of the 13F portfolio, value $34,625,463.

    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 288,856 shares
    Change vs previous 13F +51,315 shares

    0.43% of the 13F portfolio, value $32,210,346.

    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 237,541 shares
    Change vs previous 13F +44,278 shares

    0.32% of the 13F portfolio, value $25,134,262.

    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 193,263 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $19,227,693.

    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).