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BLAIR WILLIAM & CO/IL: MFC position timeline

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

BLAIR WILLIAM & CO/IL held 21,215 MFC 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 21,215 shares
    Change vs previous 13F +695 shares

    <0.01% of the 13F portfolio, value $859,415.

    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 20,520 shares
    Change vs previous 13F +1,794 shares

    <0.01% of the 13F portfolio, value $706,719.

    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 18,726 shares
    Change vs previous 13F -1,156 shares

    <0.01% of the 13F portfolio, value $679,394.

    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 19,882 shares
    Change vs previous 13F +2 shares

    <0.01% of the 13F portfolio, value $619,318.

    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 19,880 shares
    Change vs previous 13F +2 shares

    <0.01% of the 13F portfolio, value $635,364.

    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 19,878 shares
    Change vs previous 13F +377 shares

    <0.01% of the 13F portfolio, value $619,204.

    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 19,501 shares
    Change vs previous 13F +64 shares

    <0.01% of the 13F portfolio, value $598,887.

    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 19,437 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $574,356.

    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).