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BLAIR WILLIAM & CO/IL: MUB position timeline

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

BLAIR WILLIAM & CO/IL held 37,857 MUB 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 37,857 shares
    Change vs previous 13F +926 shares

    0.01% of the 13F portfolio, value $4,074,144.

    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 36,931 shares
    Change vs previous 13F -742 shares

    0.01% of the 13F portfolio, value $3,920,239.

    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 37,673 shares
    Change vs previous 13F -943 shares

    0.01% of the 13F portfolio, value $4,035,151.

    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 38,616 shares
    Change vs previous 13F +432 shares

    0.01% of the 13F portfolio, value $4,112,226.

    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 38,184 shares
    Change vs previous 13F +3,958 shares

    0.01% of the 13F portfolio, value $3,989,493.

    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 34,226 shares
    Change vs previous 13F +2,395 shares

    0.01% of the 13F portfolio, value $3,608,744.

    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 31,831 shares
    Change vs previous 13F -729 shares

    0.01% of the 13F portfolio, value $3,391,579.

    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 32,560 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,537,010.

    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).