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Disclosery

BLAIR WILLIAM & CO/IL: CHDN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on CHDN, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 15,065 CHDN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,065 shares
    Change vs previous 13F -334 shares

    <0.01% of the 13F portfolio, value $1,350,430.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 15,399 shares
    Change vs previous 13F +1,332 shares

    <0.01% of the 13F portfolio, value $1,383,295.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 14,067 shares
    Change vs previous 13F -169,773 shares

    <0.01% of the 13F portfolio, value $1,600,543.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 183,840 shares
    Change vs previous 13F +9,402 shares

    0.05% of the 13F portfolio, value $17,834,318.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 174,438 shares
    Change vs previous 13F +170,093 shares

    0.05% of the 13F portfolio, value $17,618,238.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 4,345 shares
    Change vs previous 13F +288 shares

    <0.01% of the 13F portfolio, value $482,599.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 4,057 shares
    Change vs previous 13F -5,202 shares

    <0.01% of the 13F portfolio, value $541,772.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 9,259 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,251,909.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).