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BLAIR WILLIAM & CO/IL: IRTC position timeline

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

BLAIR WILLIAM & CO/IL held 524,690 IRTC 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 524,690 shares
    Change vs previous 13F -103,695 shares

    0.16% of the 13F portfolio, value $62,411,891.

    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 628,385 shares
    Change vs previous 13F -90,412 shares

    0.21% of the 13F portfolio, value $74,161,984.

    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 718,797 shares
    Change vs previous 13F -21,924 shares

    0.34% of the 13F portfolio, value $127,543,319.

    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 740,721 shares
    Change vs previous 13F +1,390 shares

    0.34% of the 13F portfolio, value $127,396,584.

    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 739,331 shares
    Change vs previous 13F -50,668 shares

    0.32% of the 13F portfolio, value $113,827,408.

    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 789,999 shares
    Change vs previous 13F +185,262 shares

    0.25% of the 13F portfolio, value $82,697,074.

    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 604,737 shares
    Change vs previous 13F -39,704 shares

    0.16% of the 13F portfolio, value $54,529,162.

    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 644,441 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $47,843,316.

    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).