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BLAIR WILLIAM & CO/IL: F position timeline

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

BLAIR WILLIAM & CO/IL held 144,426 F 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 144,426 shares
    Change vs previous 13F +9,555 shares

    0.01% of the 13F portfolio, value $2,007,524.

    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 134,871 shares
    Change vs previous 13F -644 shares

    <0.01% of the 13F portfolio, value $1,556,413.

    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 135,515 shares
    Change vs previous 13F -8,977 shares

    <0.01% of the 13F portfolio, value $1,777,962.

    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 144,492 shares
    Change vs previous 13F -22,747 shares

    <0.01% of the 13F portfolio, value $1,728,120.

    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 167,239 shares
    Change vs previous 13F -4,141 shares

    0.01% of the 13F portfolio, value $1,814,542.

    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 171,380 shares
    Change vs previous 13F -62,566 shares

    0.01% of the 13F portfolio, value $1,718,938.

    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 233,946 shares
    Change vs previous 13F -60,859 shares

    0.01% of the 13F portfolio, value $2,316,063.

    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 294,805 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,113,146.

    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).