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
- period ended2026-06-3013F 173,883 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 153,748 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 139,584 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 135,154 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 135,637 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 132,515 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 131,988 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 132,524 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).