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BLAIR WILLIAM & CO/IL: IBRX position timeline

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

BLAIR WILLIAM & CO/IL held 241,956 IBRX 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 241,956 shares
    Change vs previous 13F +15 shares

    0.01% of the 13F portfolio, value $2,118,325.

    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 241,941 shares
    Change vs previous 13F +1,727 shares

    0.01% of the 13F portfolio, value $1,855,688.

    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 240,214 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $475,624.

    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 240,214 shares
    Change vs previous 13F +400 shares

    <0.01% of the 13F portfolio, value $590,926.

    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 239,814 shares
    Change vs previous 13F +6,314 shares

    <0.01% of the 13F portfolio, value $633,109.

    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 233,500 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $702,835.

    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 233,500 shares
    Change vs previous 13F +26,700 shares

    <0.01% of the 13F portfolio, value $597,760.

    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 206,800 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $769,296.

    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).