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Disclosery

DF DENT & CO INC: WST position timeline

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

DF DENT & CO INC held 4,552 WST 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 4,552 shares
    Change vs previous 13F -116,045 shares

    0.03% of the 13F portfolio, value $1,634,221.

    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 120,597 shares
    Change vs previous 13F -198,985 shares

    0.58% of the 13F portfolio, value $30,226,477.

    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 319,582 shares
    Change vs previous 13F -64,123 shares

    1.27% of the 13F portfolio, value $87,929,863.

    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 383,705 shares
    Change vs previous 13F -11,569 shares

    1.3% of the 13F portfolio, value $100,657,339.

    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 395,274 shares
    Change vs previous 13F -44,024 shares

    1.1% of the 13F portfolio, value $86,485,934.

    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 439,298 shares
    Change vs previous 13F +42,202 shares

    1.31% of the 13F portfolio, value $98,349,964.

    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 397,096 shares
    Change vs previous 13F -56 shares

    1.65% of the 13F portfolio, value $130,072,820.

    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 397,152 shares
    Change vs previous 13F not available

    1.45% of the 13F portfolio, value $119,209,022.

    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).