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BLAIR WILLIAM & CO/IL: ADP position timeline

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

BLAIR WILLIAM & CO/IL held 225,199 ADP 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 225,199 shares
    Change vs previous 13F -2,989 shares

    0.13% of the 13F portfolio, value $50,433,286.

    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 228,188 shares
    Change vs previous 13F -16,091 shares

    0.13% of the 13F portfolio, value $46,363,152.

    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 244,279 shares
    Change vs previous 13F -6,123 shares

    0.17% of the 13F portfolio, value $62,835,906.

    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 250,402 shares
    Change vs previous 13F -3,704 shares

    0.2% of the 13F portfolio, value $73,492,911.

    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 254,106 shares
    Change vs previous 13F -4,713 shares

    0.22% of the 13F portfolio, value $78,366,202.

    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 258,819 shares
    Change vs previous 13F -4,478 shares

    0.24% of the 13F portfolio, value $79,076,892.

    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 263,297 shares
    Change vs previous 13F -4,528 shares

    0.22% of the 13F portfolio, value $77,074,940.

    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 267,825 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $74,115,268.

    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).