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Disclosery

MAIRS & POWER INC: BSY position timeline

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

MAIRS & POWER INC held 970,114 BSY 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 970,114 shares
    Change vs previous 13F +733,956 shares

    0.27% of the 13F portfolio, value $28,996,707.

    13F-HR 0001172661-26-003496 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).

  2. period ended2026-03-31
    13F 236,158 shares
    Change vs previous 13F +153,172 shares

    0.08% of the 13F portfolio, value $8,293,869.

    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).

  3. period ended2025-12-31
    13F 82,986 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $3,167,161.

    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).