Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: ROK position timeline

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

BLAIR WILLIAM & CO/IL held 282,332 ROK 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 282,332 shares
    Change vs previous 13F -1,735 shares

    0.36% of the 13F portfolio, value $139,777,154.

    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 284,067 shares
    Change vs previous 13F +4,914 shares

    0.29% of the 13F portfolio, value $101,946,046.

    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 279,153 shares
    Change vs previous 13F -46 shares

    0.29% of the 13F portfolio, value $108,609,967.

    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 279,199 shares
    Change vs previous 13F +2,270 shares

    0.26% of the 13F portfolio, value $97,588,426.

    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 276,929 shares
    Change vs previous 13F -12,437 shares

    0.26% of the 13F portfolio, value $91,987,372.

    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 289,366 shares
    Change vs previous 13F -21,560 shares

    0.23% of the 13F portfolio, value $74,766,447.

    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 310,926 shares
    Change vs previous 13F -9,116 shares

    0.26% of the 13F portfolio, value $88,859,502.

    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 320,042 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $85,918,477.

    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).