BLAIR WILLIAM & CO/IL: MCHP position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on MCHP, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 579,940 MCHP shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 579,940 sharesChange vs previous 13F -9,928 shares
0.14% of the 13F portfolio, value $52,890,489.
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 589,868 sharesChange vs previous 13F +327,309 shares
0.11% of the 13F portfolio, value $38,111,362.
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 262,559 sharesChange vs previous 13F +37,329 shares
0.04% of the 13F portfolio, value $16,730,243.
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 225,230 sharesChange vs previous 13F -6,855 shares
0.04% of the 13F portfolio, value $14,464,290.
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 232,085 sharesChange vs previous 13F -49,381 shares
0.05% of the 13F portfolio, value $16,331,826.
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 281,466 sharesChange vs previous 13F -389,821 shares
0.04% of the 13F portfolio, value $13,625,763.
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 671,287 sharesChange vs previous 13F -321,104 shares
0.11% of the 13F portfolio, value $38,498,289.
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 992,391 sharesChange vs previous 13F not available
0.23% of the 13F portfolio, value $79,679,061.
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).