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VANGUARD GROUP INC: ATAI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VANGUARD GROUP INC on ATAI, newest first. How the timeline and the estimate are built.

VANGUARD GROUP INC held 17,737,449 ATAI shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,737,449 shares
    Change vs previous 13F +4,477,308 shares

    <0.01% of the 13F portfolio, value $93,476,356.

    13F-HR 0002100119-26-001527 filed by VANGUARD CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 1,576,296 shares
    • Vanguard Investments Australia, Ltd.: 65,697 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 166,315 shares
    • Vanguard Global Advisers, LLC: 75,442 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 11,747,249 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 4,106,450 shares

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

  2. period ended2026-03-31
    13F/A 13,260,141 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $46,940,900.

    13F-HR/A 0002100119-26-001311 filed by VANGUARD CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 1,256,731 shares
    • Vanguard Investments Australia, Ltd.: 43,091 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 110,492 shares
    • Vanguard Global Advisers, LLC: 88,429 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 11,761,398 shares

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