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VANGUARD GROUP INC: BZAI position timeline

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

VANGUARD GROUP INC held 5,846,184 BZAI 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 5,846,184 shares
    Change vs previous 13F +1,316,746 shares

    <0.01% of the 13F portfolio, value $8,067,734.

    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: 581,271 shares
    • Vanguard Global Advisers, LLC: 19,947 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 4,654,065 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 590,901 shares

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

  2. period ended2026-03-31
    13F/A 4,529,438 shares
    Change vs previous 13F +636,412 shares

    <0.01% of the 13F portfolio, value $8,243,577.

    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: 410,532 shares
    • Vanguard Global Advisers, LLC: 19,947 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 3,584,327 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 514,632 shares

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

  3. period ended2025-12-31
    13F 3,893,026 shares
    Change vs previous 13F +305,028 shares

    <0.01% of the 13F portfolio, value $7,591,401.

    13F-HR 0000102909-26-000031 filed by VANGUARD GROUP INC
    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 3,587,998 shares
    Change vs previous 13F +2,695,204 shares

    <0.01% of the 13F portfolio, value $12,378,593.

    13F-HR 0000102909-25-000353 filed by VANGUARD GROUP INC
    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 892,794 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,660,527.

    13F-HR 0001752724-25-185843 filed by VANGUARD GROUP INC
    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 892,794 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,803,443.

    13F-HR 0001752724-25-099331 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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