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VANGUARD GROUP INC: MGNI position timeline

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

VANGUARD GROUP INC held 15,642,437 MGNI 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 15,642,437 shares
    Change vs previous 13F +498,927 shares

    <0.01% of the 13F portfolio, value $296,893,454.

    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: 989,092 shares
    • Vanguard Investments Australia, Ltd.: 35,321 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 140,438 shares
    • Vanguard Personalized Indexing Management, LLC: 0 shares
    • Vanguard Global Advisers, LLC: 55,105 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 6,225,195 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 8,197,286 shares

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

  2. period ended2026-03-31
    13F/A 15,143,510 shares
    Change vs previous 13F +340,880 shares

    <0.01% of the 13F portfolio, value $179,904,898.

    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: 997,082 shares
    • Vanguard Investments Australia, Ltd.: 35,321 shares
    • VANGUARD ASSET MANAGEMENT, Ltd: 126,372 shares
    • Vanguard Personalized Indexing Management, LLC: 10,311 shares
    • Vanguard Global Advisers, LLC: 57,816 shares
    • VANGUARD CAPITAL MANAGEMENT LLC: 6,190,403 shares
    • VANGUARD PORTFOLIO MANAGEMENT LLC: 7,726,205 shares

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

  3. period ended2025-12-31
    13F 14,802,630 shares
    Change vs previous 13F +148,198 shares

    <0.01% of the 13F portfolio, value $240,246,684.

    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 14,654,432 shares
    Change vs previous 13F +1,092,147 shares

    <0.01% of the 13F portfolio, value $319,173,529.

    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 13,562,285 shares
    Change vs previous 13F -181,236 shares

    0.01% of the 13F portfolio, value $327,122,315.

    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 13,743,521 shares
    Change vs previous 13F +138,417 shares

    <0.01% of the 13F portfolio, value $156,813,574.

    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 13,605,104 shares
    Change vs previous 13F +257,032 shares

    <0.01% of the 13F portfolio, value $216,593,256.

    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 13,348,072 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $184,870,798.

    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).