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Disclosery

DF DENT & CO INC: ECL position timeline

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

DF DENT & CO INC held 467,771 ECL 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 467,771 shares
    Change vs previous 13F -50,851 shares

    2.47% of the 13F portfolio, value $130,325,570.

    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 518,622 shares
    Change vs previous 13F -191,301 shares

    2.64% of the 13F portfolio, value $137,963,813.

    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 709,923 shares
    Change vs previous 13F -77,417 shares

    2.68% of the 13F portfolio, value $186,368,979.

    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 787,340 shares
    Change vs previous 13F -34,716 shares

    2.79% of the 13F portfolio, value $215,620,840.

    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 822,056 shares
    Change vs previous 13F -11,372 shares

    2.81% of the 13F portfolio, value $221,494,705.

    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 833,428 shares
    Change vs previous 13F -59,474 shares

    2.82% of the 13F portfolio, value $211,290,650.

    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 892,902 shares
    Change vs previous 13F -19,663 shares

    2.65% of the 13F portfolio, value $209,224,798.

    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 912,565 shares
    Change vs previous 13F not available

    2.83% of the 13F portfolio, value $233,005,109.

    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).