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BLAIR WILLIAM & CO/IL: ALAB position timeline

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

BLAIR WILLIAM & CO/IL held 17,145 ALAB 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 17,145 shares
    Change vs previous 13F +775 shares

    0.02% of the 13F portfolio, value $8,281,354.

    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 16,370 shares
    Change vs previous 13F +1,323 shares

    0.01% of the 13F portfolio, value $1,794,177.

    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 15,047 shares
    Change vs previous 13F +4,860 shares

    0.01% of the 13F portfolio, value $2,503,292.

    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 10,187 shares
    Change vs previous 13F -2,788 shares

    0.01% of the 13F portfolio, value $1,994,617.

    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 12,975 shares
    Change vs previous 13F +4,350 shares

    <0.01% of the 13F portfolio, value $1,173,200.

    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 8,625 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $514,654.

    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).