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Disclosery

BROWN ADVISORY INC: MGNI position timeline

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

BROWN ADVISORY INC held 36,314 MGNI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 36,314 shares
    Change vs previous 13F +4,790 shares

    <0.01% of the 13F portfolio, value $689,240.

    13F-HR 0001345929-26-000038 filed by BROWN ADVISORY INC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 31,524 shares
    Change vs previous 13F +10,261 shares

    <0.01% of the 13F portfolio, value $374,505.

    13F-HR 0001345929-26-000028 filed by BROWN ADVISORY INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 21,263 shares
    Change vs previous 13F -43,418 shares

    <0.01% of the 13F portfolio, value $345,098.

    13F-HR 0001345929-26-000018 filed by BROWN ADVISORY 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 64,681 shares
    Change vs previous 13F +64,681 shares

    <0.01% of the 13F portfolio, value $1,408,751.

    13F-HR 0001345929-25-000002 filed by BROWN ADVISORY 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 0 shares
    Change vs previous 13F -25,409 shares

    13F-HR 0001085146-25-005034 filed by BROWN ADVISORY INC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  6. period ended2025-03-31
    13F 25,409 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $289,917.

    13F-HR 0001085146-25-002448 filed by BROWN ADVISORY INC
    Filed (acceptance time not in the bulk data set), ingested

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