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Disclosery

FIDUCIARY MANAGEMENT INC /WI/: SONY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FIDUCIARY MANAGEMENT INC /WI/ on SONY, newest first. How the timeline and the estimate are built.

FIDUCIARY MANAGEMENT INC /WI/ held 0 SONY shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -5,597,452 shares

    13F-HR 0000764532-26-000003 filed by FIDUCIARY MANAGEMENT INC /WI/
    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.

  2. period ended2025-12-31
    13F 5,597,452 shares
    Change vs previous 13F -459,606 shares

    1.58% of the 13F portfolio, value $143,294,782.

    13F-HR 0000764532-26-000002 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 6,057,058 shares
    Change vs previous 13F -2,269,331 shares

    1.76% of the 13F portfolio, value $174,382,712.

    13F-HR 0000764532-25-000012 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 8,326,389 shares
    Change vs previous 13F -1,526,666 shares

    2.08% of the 13F portfolio, value $216,735,917.

    13F-HR 0000764532-25-000009 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 9,853,055 shares
    Change vs previous 13F -467,443 shares

    2.42% of the 13F portfolio, value $250,169,077.

    13F-HR 0000764532-25-000008 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 10,320,498 shares
    Change vs previous 13F +8,157,776 shares

    2.04% of the 13F portfolio, value $218,381,747.

    13F-HR 0000764532-25-000002 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 2,162,722 shares
    Change vs previous 13F not available

    1.83% of the 13F portfolio, value $208,854,091.

    13F-HR 0000764532-24-000006 filed by FIDUCIARY MANAGEMENT INC /WI/
    Filed (acceptance time not in the bulk data set), ingested

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