GILDER GAGNON HOWE & CO LLC: MAMA position timeline

GILDER GAGNON HOWE & CO LLC held 631,225 MAMA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 631,225 shares

   Change vs previous 13F +397,872 shares

   0.12% of the 13F portfolio, value $11,267,366.

   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).

2. period ended2026-03-31

   13F 233,353 shares

   Change vs previous 13F -12,427 shares

   0.04% of the 13F portfolio, value $3,579,635.

   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).

3. period ended2025-12-31

   13F 245,780 shares

   Change vs previous 13F -1,776 shares

   0.03% of the 13F portfolio, value $3,315,572.

   13F-HR 0001172661-26-000858 filed by GILDER GAGNON HOWE & CO LLC
   Filed 2026-02-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

   Acceptance time not in the bulk data set (spec §4.2).

4. period ended2025-09-30

   13F 247,556 shares

   Change vs previous 13F +979 shares

   0.03% of the 13F portfolio, value $2,601,814.

   13F-HR 0001172661-25-004939 filed by GILDER GAGNON HOWE & CO LLC
   Filed 2025-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2025-06-30

   13F 246,577 shares

   Change vs previous 13F not available

   0.02% of the 13F portfolio, value $2,046,589.

   13F-HR 0001172661-25-003286 filed by GILDER GAGNON HOWE & CO LLC
   Filed 2025-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

   Acceptance time not in the bulk data set (spec §4.2).