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Disclosery

MAIRS & POWER INC: SONY position timeline

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

MAIRS & POWER INC 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 -7,830 shares

    13F-HR 0001172661-26-001819 filed by MAIRS & POWER 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.

  2. period ended2025-12-31
    13F 7,830 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $200,448.

    13F-HR 0001172661-26-001057 filed by MAIRS & POWER INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 7,830 shares
    Change vs previous 13F -345 shares

    <0.01% of the 13F portfolio, value $225,426.

    13F-HR 0001172661-25-004985 filed by MAIRS & POWER INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 8,175 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $212,795.

    13F-HR 0001172661-25-003391 filed by MAIRS & POWER INC
    Filed (acceptance time not in the bulk data set), ingested

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