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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC: PDFS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC on PDFS, newest first. How the timeline and the estimate are built.

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC held 554,226 PDFS shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 554,226 shares
    Change vs previous 13F -701,333 shares

    0.12% of the 13F portfolio, value $39,233,659.

    13F-HR 0001644956-26-000023 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,255,559 shares
    Change vs previous 13F -102,922 shares

    0.14% of the 13F portfolio, value $41,069,335.

    13F-HR 0001644956-26-000021 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,358,481 shares
    Change vs previous 13F +9,040 shares

    0.11% of the 13F portfolio, value $38,757,463.

    13F-HR 0001644956-26-000007 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,349,441 shares
    Change vs previous 13F +162,358 shares

    0.09% of the 13F portfolio, value $34,842,567.

    13F-HR 0001644956-25-000045 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,187,083 shares
    Change vs previous 13F +61,124 shares

    0.07% of the 13F portfolio, value $25,379,835.

    13F-HR 0001644956-25-000032 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,125,959 shares
    Change vs previous 13F +62,376 shares

    0.06% of the 13F portfolio, value $21,517,076.

    13F-HR 0001644956-25-000018 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 1,063,583 shares
    Change vs previous 13F +161,306 shares

    0.07% of the 13F portfolio, value $28,801,828.

    13F-HR 0001644956-25-000002 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    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 902,277 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $28,584,135.

    13F-HR 0001644956-24-000009 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).