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GILDER GAGNON HOWE & CO LLC: ARX position timeline

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

GILDER GAGNON HOWE & CO LLC held 3,732,024 ARX 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 3,732,024 shares
    Change vs previous 13F -11,340 shares

    0.45% of the 13F portfolio, value $43,739,321.

    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 3,743,364 shares
    Change vs previous 13F +40,286 shares

    0.6% of the 13F portfolio, value $50,011,343.

    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 3,703,078 shares
    Change vs previous 13F -195,194 shares

    0.64% of the 13F portfolio, value $60,545,325.

    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 3,898,272 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $58,045,270.

    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).