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VANGUARD GROUP INC: ATOM position timeline

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

VANGUARD GROUP INC held 2,552,330 ATOM 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 2,552,330 shares
    Change vs previous 13F +841,578 shares

    <0.01% of the 13F portfolio, value $22,230,795.

    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: 274,960 shares
    • Vanguard Personalized Indexing Management, LLC: 16,245 shares
    • Vanguard Global Advisers, LLC: 42,108 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,664,565 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 554,452 shares

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

  2. period ended2026-03-31
    13F/A 1,710,752 shares
    Change vs previous 13F +54,626 shares

    <0.01% of the 13F portfolio, value $6,517,965.

    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: 216,392 shares
    • Vanguard Personalized Indexing Management, LLC: 16,647 shares
    • Vanguard Global Advisers, LLC: 10,582 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,288,161 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 178,970 shares

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

  3. period ended2025-12-31
    13F 1,656,126 shares
    Change vs previous 13F +20,188 shares

    <0.01% of the 13F portfolio, value $3,660,038.

    13F-HR 0000102909-26-000031 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 1,645,828 shares
    • Vanguard Personalized Indexing Management, LLC: 10,298 shares

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

  4. period ended2025-09-30
    13F 1,635,938 shares
    Change vs previous 13F +15,450 shares

    <0.01% of the 13F portfolio, value $7,230,846.

    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 1,620,488 shares
    Change vs previous 13F +322,277 shares

    <0.01% of the 13F portfolio, value $8,167,259.

    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 1,298,211 shares
    Change vs previous 13F +47,666 shares

    <0.01% of the 13F portfolio, value $5,192,844.

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

    • VANGUARD GROUP INC: 1,298,211 shares
    • Vanguard Personalized Indexing Management, LLC: 0 shares

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

  7. period ended2024-12-31
    13F 1,250,545 shares
    Change vs previous 13F +49,269 shares

    <0.01% of the 13F portfolio, value $14,506,322.

    13F-HR 0001752724-25-022205 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 1,240,031 shares
    • Vanguard Personalized Indexing Management, LLC: 10,514 shares

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

  8. period ended2024-09-30
    13F 1,201,276 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,159,356.

    13F-HR 0001752724-24-248565 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).