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BLAIR WILLIAM & CO/IL: PRF position timeline

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

BLAIR WILLIAM & CO/IL held 173,883 PRF 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 173,883 shares
    Change vs previous 13F +20,135 shares

    0.02% of the 13F portfolio, value $9,394,904.

    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 153,748 shares
    Change vs previous 13F +14,164 shares

    0.02% of the 13F portfolio, value $7,307,646.

    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 139,584 shares
    Change vs previous 13F +4,430 shares

    0.02% of the 13F portfolio, value $6,549,274.

    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 135,154 shares
    Change vs previous 13F -483 shares

    0.02% of the 13F portfolio, value $6,110,294.

    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 135,637 shares
    Change vs previous 13F +3,122 shares

    0.02% of the 13F portfolio, value $5,733,387.

    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 132,515 shares
    Change vs previous 13F +527 shares

    0.02% of the 13F portfolio, value $5,354,930.

    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 131,988 shares
    Change vs previous 13F -536 shares

    0.02% of the 13F portfolio, value $5,324,377.

    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 132,524 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $5,384,435.

    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).