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BLAIR WILLIAM & CO/IL: ALC position timeline

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

BLAIR WILLIAM & CO/IL held 17,304 ALC 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 17,304 shares
    Change vs previous 13F +2,821 shares

    <0.01% of the 13F portfolio, value $1,161,079.

    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 14,483 shares
    Change vs previous 13F -157 shares

    <0.01% of the 13F portfolio, value $1,091,294.

    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 14,640 shares
    Change vs previous 13F +613 shares

    <0.01% of the 13F portfolio, value $1,153,778.

    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 14,027 shares
    Change vs previous 13F +11,344 shares

    <0.01% of the 13F portfolio, value $1,045,152.

    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 2,683 shares
    Change vs previous 13F -364 shares

    <0.01% of the 13F portfolio, value $236,891.

    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 3,047 shares
    Change vs previous 13F -157 shares

    <0.01% of the 13F portfolio, value $289,252.

    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 3,204 shares
    Change vs previous 13F +482 shares

    <0.01% of the 13F portfolio, value $271,988.

    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 2,722 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $272,427.

    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).