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BLAIR WILLIAM & CO/IL: MCK position timeline

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

BLAIR WILLIAM & CO/IL held 77,919 MCK 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 77,919 shares
    Change vs previous 13F -2,123 shares

    0.15% of the 13F portfolio, value $58,875,762.

    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 80,042 shares
    Change vs previous 13F +51,170 shares

    0.2% of the 13F portfolio, value $69,264,793.

    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 28,872 shares
    Change vs previous 13F +14,815 shares

    0.06% of the 13F portfolio, value $23,683,686.

    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 14,057 shares
    Change vs previous 13F +1,565 shares

    0.03% of the 13F portfolio, value $10,859,711.

    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 12,492 shares
    Change vs previous 13F -827 shares

    0.03% of the 13F portfolio, value $9,153,589.

    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 13,319 shares
    Change vs previous 13F -509 shares

    0.03% of the 13F portfolio, value $8,963,731.

    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 13,828 shares
    Change vs previous 13F -485 shares

    0.02% of the 13F portfolio, value $7,880,546.

    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 14,313 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $7,076,587.

    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).