BLAIR WILLIAM & CO/IL: PECO position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on PECO, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 9,444 PECO shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 9,444 sharesChange vs previous 13F -6,959 shares
<0.01% of the 13F portfolio, value $393,059.
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 16,403 sharesChange vs previous 13F +5,392 shares
<0.01% of the 13F portfolio, value $613,800.
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 11,011 sharesChange vs previous 13F +276 shares
<0.01% of the 13F portfolio, value $391,661.
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 10,735 sharesChange vs previous 13F -3,144 shares
<0.01% of the 13F portfolio, value $368,533.
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 13,879 sharesChange vs previous 13F +13,879 shares
<0.01% of the 13F portfolio, value $486,181.
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 0 sharesChange vs previous 13F -5,379 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F 5,379 sharesChange vs previous 13F -1,000 shares
<0.01% of the 13F portfolio, value $201,497.
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 6,379 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $240,552.
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).