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GILDER GAGNON HOWE & CO LLC: ECHO position timeline

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

GILDER GAGNON HOWE & CO LLC held 912,981 ECHO 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 912,981 shares
    Change vs previous 13F -260,996 shares

    0.96% of the 13F portfolio, value $92,667,572.

    13F-HR 0001172661-26-003462 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 1,173,977 shares
    Change vs previous 13F +244,585 shares

    1.65% of the 13F portfolio, value $137,437,487.

    13F-HR 0001172661-26-002064 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 929,392 shares
    Change vs previous 13F +305,205 shares

    1.07% of the 13F portfolio, value $101,024,910.

    13F-HR 0001172661-26-000858 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 624,187 shares
    Change vs previous 13F +505,563 shares

    0.49% of the 13F portfolio, value $47,662,919.

    13F-HR 0001172661-25-004939 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 118,624 shares
    Change vs previous 13F +70,803 shares

    0.03% of the 13F portfolio, value $3,285,885.

    13F-HR 0001172661-25-003286 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 47,821 shares
    Change vs previous 13F +217 shares

    0.02% of the 13F portfolio, value $1,223,261.

    13F-HR 0001172661-25-002018 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 47,604 shares
    Change vs previous 13F +941 shares

    0.01% of the 13F portfolio, value $1,090,132.

    13F-HR 0001172661-25-001056 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 46,663 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,158,176.

    13F-HR 0001172661-24-004863 filed by GILDER GAGNON HOWE & CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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