GILDER GAGNON HOWE & CO LLC: MDA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GILDER GAGNON HOWE & CO LLC on MDA, newest first. How the timeline and the estimate are built.

GILDER GAGNON HOWE & CO LLC held 1,679,194 MDA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

period ended2026-06-30
13F 1,679,194 shares
Change vs previous 13F -252,967 shares
0.72% of the 13F portfolio, value $69,317,128.
13F-HR 0001172661-26-003462 filed by GILDER GAGNON HOWE & CO LLC
Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 1,932,161 shares
Change vs previous 13F not available
0.59% of the 13F portfolio, value $48,922,317.
13F-HR 0001172661-26-002064 filed by GILDER GAGNON HOWE & CO LLC
Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).