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VANGUARD GROUP INC: KOSS position timeline

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

VANGUARD GROUP INC held 222,387 KOSS 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 222,387 shares
    Change vs previous 13F -594 shares

    <0.01% of the 13F portfolio, value $891,771.

    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: 30,740 shares
    • Vanguard Global Advisers, LLC: 2,040 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 189,607 shares

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

  2. period ended2026-03-31
    13F/A 222,981 shares
    Change vs previous 13F -10 shares

    <0.01% of the 13F portfolio, value $798,272.

    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: 31,334 shares
    • Vanguard Global Advisers, LLC: 2,040 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 189,607 shares

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

  3. period ended2025-12-31
    13F 222,991 shares
    Change vs previous 13F -22,719 shares

    <0.01% of the 13F portfolio, value $923,183.

    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 245,710 shares
    Change vs previous 13F -802 shares

    <0.01% of the 13F portfolio, value $1,248,206.

    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 246,512 shares
    Change vs previous 13F -6,237 shares

    <0.01% of the 13F portfolio, value $1,257,211.

    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 252,749 shares
    Change vs previous 13F +1,808 shares

    <0.01% of the 13F portfolio, value $1,192,975.

    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 250,941 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,851,944.

    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 250,941 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,854,454.

    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).