BLAIR WILLIAM & CO/IL: ONT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on ONT, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 173,037 ONT shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 173,037 sharesChange vs previous 13F -93,943 shares
0.01% of the 13F portfolio, value $3,497,078.
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 266,980 sharesChange vs previous 13F -73,889 shares
0.02% of the 13F portfolio, value $5,844,181.
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 340,869 sharesChange vs previous 13F +11,893 shares
0.02% of the 13F portfolio, value $8,463,777.
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 328,976 sharesChange vs previous 13F -21,155 shares
0.02% of the 13F portfolio, value $9,033,681.
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 350,131 sharesChange vs previous 13F +15,910 shares
0.02% of the 13F portfolio, value $7,664,368.
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 334,221 sharesChange vs previous 13F -312,391 shares
0.01% of the 13F portfolio, value $4,765,991.
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 646,612 sharesChange vs previous 13F -104,076 shares
0.03% of the 13F portfolio, value $11,994,653.
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 750,688 sharesChange vs previous 13F not available
0.06% of the 13F portfolio, value $19,743,094.
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).