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BLAIR WILLIAM & CO/IL: HWM position timeline

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

BLAIR WILLIAM & CO/IL held 87,746 HWM 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 87,746 shares
    Change vs previous 13F +2,607 shares

    0.06% of the 13F portfolio, value $23,591,465.

    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 85,139 shares
    Change vs previous 13F +1,204 shares

    0.06% of the 13F portfolio, value $19,621,230.

    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 83,935 shares
    Change vs previous 13F +6,797 shares

    0.05% of the 13F portfolio, value $17,208,259.

    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 77,138 shares
    Change vs previous 13F -316 shares

    0.04% of the 13F portfolio, value $15,136,874.

    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 77,454 shares
    Change vs previous 13F +349 shares

    0.04% of the 13F portfolio, value $14,416,458.

    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 77,105 shares
    Change vs previous 13F +4,210 shares

    0.03% of the 13F portfolio, value $10,002,769.

    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 72,895 shares
    Change vs previous 13F +40,516 shares

    0.02% of the 13F portfolio, value $7,972,526.

    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 32,379 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,246,011.

    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).