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DF DENT & CO INC: ABT position timeline

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

DF DENT & CO INC held 103,114 ABT 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 103,114 shares
    Change vs previous 13F +77,907 shares

    0.18% of the 13F portfolio, value $9,356,564.

    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 25,207 shares
    Change vs previous 13F -5,477 shares

    0.05% of the 13F portfolio, value $2,588,003.

    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 30,684 shares
    Change vs previous 13F -78,330 shares

    0.06% of the 13F portfolio, value $3,844,398.

    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 109,014 shares
    Change vs previous 13F +85,303 shares

    0.19% of the 13F portfolio, value $14,601,335.

    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 23,711 shares
    Change vs previous 13F +902 shares

    0.04% of the 13F portfolio, value $3,224,933.

    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 22,809 shares
    Change vs previous 13F +103 shares

    0.04% of the 13F portfolio, value $3,025,614.

    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 22,706 shares
    Change vs previous 13F -2,377 shares

    0.03% of the 13F portfolio, value $2,568,276.

    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 25,083 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $2,859,713.

    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).