Skip to content

BROWN ADVISORY INC: IONS position timeline

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

BROWN ADVISORY INC held 15,846 IONS 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 15,846 shares
    Change vs previous 13F +741 shares

    <0.01% of the 13F portfolio, value $1,256,429.

    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 15,105 shares
    Change vs previous 13F +140 shares

    <0.01% of the 13F portfolio, value $1,134,234.

    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 14,965 shares
    Change vs previous 13F +939 shares

    <0.01% of the 13F portfolio, value $1,183,881.

    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 14,026 shares
    Change vs previous 13F +1,835 shares

    <0.01% of the 13F portfolio, value $917,581.

    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 12,191 shares
    Change vs previous 13F +165 shares

    <0.01% of the 13F portfolio, value $481,666.

    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).

  6. period ended2025-03-31
    13F 12,026 shares
    Change vs previous 13F -704 shares

    <0.01% of the 13F portfolio, value $362,824.

    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).

  7. period ended2024-12-31
    13F 12,730 shares
    Change vs previous 13F -16 shares

    <0.01% of the 13F portfolio, value $445,041.

    13F-HR 0001085146-25-001491 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).

  8. period ended2024-09-30
    13F 12,746 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $510,605.

    13F-HR 0001085146-24-005669 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).