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BLAIR WILLIAM & CO/IL: ABT position timeline

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

BLAIR WILLIAM & CO/IL held 1,063,211 ABT 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 1,063,211 shares
    Change vs previous 13F -264,550 shares

    0.25% of the 13F portfolio, value $96,475,759.

    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 1,327,761 shares
    Change vs previous 13F -250,038 shares

    0.39% of the 13F portfolio, value $136,321,246.

    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 1,577,799 shares
    Change vs previous 13F -20,407 shares

    0.53% of the 13F portfolio, value $197,682,404.

    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 1,598,206 shares
    Change vs previous 13F -5,099 shares

    0.57% of the 13F portfolio, value $214,063,686.

    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 1,603,305 shares
    Change vs previous 13F +24,281 shares

    0.61% of the 13F portfolio, value $218,065,498.

    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 1,579,024 shares
    Change vs previous 13F +6,940 shares

    0.63% of the 13F portfolio, value $209,457,581.

    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 1,572,084 shares
    Change vs previous 13F -27,037 shares

    0.52% of the 13F portfolio, value $177,818,427.

    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 1,599,121 shares
    Change vs previous 13F not available

    0.54% of the 13F portfolio, value $182,315,763.

    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).