WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC: MAR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC on MAR, newest first. How the timeline and the estimate are built.
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC held 300,872 MAR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 300,872 sharesChange vs previous 13F +216,241 shares
0.34% of the 13F portfolio, value $111,500,154.
13F-HR 0001644956-26-000023 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 84,631 sharesChange vs previous 13F not available
0.09% of the 13F portfolio, value $27,680,261.
13F-HR 0001644956-26-000021 filed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).