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VANGUARD GROUP INC: ROCK position timeline

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

VANGUARD GROUP INC held 2,869,476 ROCK 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 2,869,476 shares
    Change vs previous 13F -22,897 shares

    <0.01% of the 13F portfolio, value $129,413,368.

    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: 196,014 shares
    • Vanguard Investments Australia, Ltd.: 6,845 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 32,111 shares
    • Vanguard Global Advisers, LLC: 11,191 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,332,679 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 1,290,636 shares

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

  2. period ended2026-03-31
    13F/A 2,892,373 shares
    Change vs previous 13F +28,798 shares

    <0.01% of the 13F portfolio, value $115,318,912.

    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: 193,746 shares
    • Vanguard Investments Australia, Ltd.: 6,845 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 24,224 shares
    • Vanguard Global Advisers, LLC: 21,485 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 1,322,342 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 1,323,731 shares

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

  3. period ended2025-12-31
    13F 2,863,575 shares
    Change vs previous 13F -36,614 shares

    <0.01% of the 13F portfolio, value $141,575,149.

    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 2,900,189 shares
    Change vs previous 13F -5,700 shares

    <0.01% of the 13F portfolio, value $182,131,869.

    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 2,905,889 shares
    Change vs previous 13F -89,766 shares

    <0.01% of the 13F portfolio, value $171,447,451.

    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 2,995,655 shares
    Change vs previous 13F +5,476 shares

    <0.01% of the 13F portfolio, value $175,725,122.

    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 2,990,179 shares
    Change vs previous 13F +15,201 shares

    <0.01% of the 13F portfolio, value $176,121,544.

    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 2,974,978 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $208,040,211.

    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).