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VANGUARD GROUP INC: OSUR position timeline

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

VANGUARD GROUP INC held 4,142,988 OSUR 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 4,142,988 shares
    Change vs previous 13F +24,777 shares

    <0.01% of the 13F portfolio, value $18,477,727.

    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: 458,067 shares
    • Vanguard Personalized Indexing Management, LLC: 16,775 shares
    • Vanguard Global Advisers, LLC: 25,575 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 3,018,907 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 623,664 shares

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

  2. period ended2026-03-31
    13F/A 4,118,211 shares
    Change vs previous 13F +15,579 shares

    <0.01% of the 13F portfolio, value $12,354,633.

    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: 454,775 shares
    • Vanguard Personalized Indexing Management, LLC: 16,775 shares
    • Vanguard Global Advisers, LLC: 25,575 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 3,030,888 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 590,198 shares

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

  3. period ended2025-12-31
    13F 4,102,632 shares
    Change vs previous 13F -31,508 shares

    <0.01% of the 13F portfolio, value $9,928,370.

    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 4,134,140 shares
    Change vs previous 13F -118,290 shares

    <0.01% of the 13F portfolio, value $13,270,590.

    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 4,252,430 shares
    Change vs previous 13F -105,876 shares

    <0.01% of the 13F portfolio, value $12,757,290.

    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 4,358,306 shares
    Change vs previous 13F +60,971 shares

    <0.01% of the 13F portfolio, value $14,687,492.

    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).

  7. period ended2024-12-31
    13F 4,297,335 shares
    Change vs previous 13F -83,941 shares

    <0.01% of the 13F portfolio, value $15,513,380.

    13F-HR 0001752724-25-022205 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).

  8. period ended2024-09-30
    13F 4,381,276 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $18,708,049.

    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).