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BLAIR WILLIAM & CO/IL: CTAS position timeline

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

BLAIR WILLIAM & CO/IL held 1,063,530 CTAS 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 1,063,530 shares
    Change vs previous 13F +89,977 shares

    0.47% of the 13F portfolio, value $180,885,157.

    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 973,553 shares
    Change vs previous 13F -21,464 shares

    0.47% of the 13F portfolio, value $164,666,834.

    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 995,017 shares
    Change vs previous 13F -10,938 shares

    0.5% of the 13F portfolio, value $187,132,791.

    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 1,005,955 shares
    Change vs previous 13F -8,620 shares

    0.55% of the 13F portfolio, value $206,482,229.

    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 1,014,575 shares
    Change vs previous 13F +15,972 shares

    0.63% of the 13F portfolio, value $226,118,430.

    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 998,603 shares
    Change vs previous 13F -13,795 shares

    0.62% of the 13F portfolio, value $205,242,868.

    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 1,012,398 shares
    Change vs previous 13F +13,541 shares

    0.54% of the 13F portfolio, value $184,965,040.

    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 998,857 shares
    Change vs previous 13F not available

    0.6% of the 13F portfolio, value $205,644,584.

    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).