BLAIR WILLIAM & CO/IL: UNH position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on UNH, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 72,052 UNH shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 72,052 sharesChange vs previous 13F -2,471 shares
0.08% of the 13F portfolio, value $29,946,822.
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 74,523 sharesChange vs previous 13F -28,339 shares
0.06% of the 13F portfolio, value $20,165,247.
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 102,862 sharesChange vs previous 13F -29,276 shares
0.09% of the 13F portfolio, value $33,955,711.
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 132,138 sharesChange vs previous 13F -110,802 shares
0.12% of the 13F portfolio, value $45,627,085.
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 242,940 sharesChange vs previous 13F -95,137 shares
0.21% of the 13F portfolio, value $75,789,879.
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 338,077 sharesChange vs previous 13F -31,832 shares
0.53% of the 13F portfolio, value $177,067,733.
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 369,909 sharesChange vs previous 13F -22,845 shares
0.54% of the 13F portfolio, value $187,122,033.
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 392,754 sharesChange vs previous 13F not available
0.67% of the 13F portfolio, value $229,635,443.
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).