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BLAIR WILLIAM & CO/IL: UCB position timeline

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

BLAIR WILLIAM & CO/IL held 217,555 UCB 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 217,555 shares
    Change vs previous 13F -293 shares

    0.02% of the 13F portfolio, value $7,634,012.

    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 217,848 shares
    Change vs previous 13F +155 shares

    0.02% of the 13F portfolio, value $6,860,038.

    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 217,693 shares
    Change vs previous 13F -37 shares

    0.02% of the 13F portfolio, value $6,796,377.

    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 217,730 shares
    Change vs previous 13F +1,108 shares

    0.02% of the 13F portfolio, value $6,825,836.

    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 216,622 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $6,453,169.

    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 216,622 shares
    Change vs previous 13F +179 shares

    0.02% of the 13F portfolio, value $6,093,577.

    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 216,443 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $6,993,273.

    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 216,443 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $6,294,162.

    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).