BLAIR WILLIAM & CO/IL: PEN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on PEN, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 1,769 PEN shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 1,769 sharesChange vs previous 13F -37 shares
<0.01% of the 13F portfolio, value $558,562.
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 1,806 sharesChange vs previous 13F -6,504 shares
<0.01% of the 13F portfolio, value $593,036.
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 8,310 sharesChange vs previous 13F +202 shares
0.01% of the 13F portfolio, value $2,583,662.
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 8,108 sharesChange vs previous 13F -2,456 shares
0.01% of the 13F portfolio, value $2,053,919.
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 10,564 sharesChange vs previous 13F +4,042 shares
0.01% of the 13F portfolio, value $2,711,039.
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 6,522 sharesChange vs previous 13F +2,782 shares
0.01% of the 13F portfolio, value $1,744,048.
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 3,740 sharesChange vs previous 13F -5,140 shares
<0.01% of the 13F portfolio, value $888,175.
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 8,880 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $1,725,473.
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).