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VANGUARD GROUP INC: IONS position timeline

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

VANGUARD GROUP INC held 16,403,307 IONS 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 16,403,307 shares
    Change vs previous 13F +192,309 shares

    0.02% of the 13F portfolio, value $1,300,618,213.

    13F-HR 0002100121-26-001018 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 1,060,845 shares
    • Vanguard Investments Australia, Ltd.: 38,557 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 155,088 shares
    • Vanguard Personalized Indexing Management, LLC: 11,933 shares
    • Vanguard Global Advisers, LLC: 65,858 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 7,211,497 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 7,859,529 shares

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

  2. period ended2026-03-31
    13F/A 16,210,998 shares
    Change vs previous 13F -241,922 shares

    0.02% of the 13F portfolio, value $1,217,283,840.

    13F-HR 0002100121-26-000861 filed by VANGUARD PORTFOLIO MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD FIDUCIARY TRUST CO: 1,024,377 shares
    • Vanguard Investments Australia, Ltd.: 38,557 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 137,507 shares
    • Vanguard Personalized Indexing Management, LLC: 11,414 shares
    • Vanguard Global Advisers, LLC: 71,911 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 7,118,330 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 7,808,902 shares

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

  3. period ended2025-12-31
    13F 16,452,920 shares
    Change vs previous 13F -40,900 shares

    0.02% of the 13F portfolio, value $1,301,590,502.

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

    • VANGUARD GROUP INC: 16,440,459 shares
    • Vanguard Personalized Indexing Management, LLC: 12,461 shares

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

  4. period ended2025-09-30
    13F 16,493,820 shares
    Change vs previous 13F -233,098 shares

    0.02% of the 13F portfolio, value $1,079,025,704.

    13F-HR 0000102909-25-000353 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 16,481,730 shares
    • Vanguard Personalized Indexing Management, LLC: 12,090 shares

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

  5. period ended2025-06-30
    13F 16,726,918 shares
    Change vs previous 13F +332,671 shares

    0.01% of the 13F portfolio, value $660,880,530.

    13F-HR 0001752724-25-185843 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 16,714,846 shares
    • Vanguard Personalized Indexing Management, LLC: 12,072 shares

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

  6. period ended2025-03-31
    13F 16,394,247 shares
    Change vs previous 13F -90,563 shares

    0.01% of the 13F portfolio, value $494,614,431.

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

    • VANGUARD GROUP INC: 16,383,934 shares
    • Vanguard Personalized Indexing Management, LLC: 10,313 shares

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

  7. period ended2024-12-31
    13F 16,484,810 shares
    Change vs previous 13F +1,420,648 shares

    0.01% of the 13F portfolio, value $576,308,957.

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

    • VANGUARD GROUP INC: 16,472,539 shares
    • Vanguard Personalized Indexing Management, LLC: 12,271 shares

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

  8. period ended2024-09-30
    13F 15,064,162 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $603,470,310.

    13F-HR 0001752724-24-248565 filed by VANGUARD GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

    • VANGUARD GROUP INC: 15,055,758 shares
    • Vanguard Personalized Indexing Management, LLC: 8,404 shares

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