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BLAIR WILLIAM & CO/IL: TOST position timeline

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

BLAIR WILLIAM & CO/IL held 1,405,951 TOST 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 1,405,951 shares
    Change vs previous 13F -133,252 shares

    0.1% of the 13F portfolio, value $39,113,564.

    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 1,539,203 shares
    Change vs previous 13F -119,274 shares

    0.12% of the 13F portfolio, value $40,804,272.

    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 1,658,477 shares
    Change vs previous 13F +42,412 shares

    0.16% of the 13F portfolio, value $58,892,530.

    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 1,616,065 shares
    Change vs previous 13F +3,966 shares

    0.16% of the 13F portfolio, value $59,002,534.

    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 1,612,099 shares
    Change vs previous 13F -18,968 shares

    0.2% of the 13F portfolio, value $71,399,858.

    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 1,631,067 shares
    Change vs previous 13F +38,616 shares

    0.16% of the 13F portfolio, value $54,102,487.

    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 1,592,451 shares
    Change vs previous 13F -53,557 shares

    0.17% of the 13F portfolio, value $58,044,839.

    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 1,646,008 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $46,598,486.

    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).