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Disclosery

MAIRS & POWER INC: AIR position timeline

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

MAIRS & POWER INC held 83,933 AIR 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 83,933 shares
    Change vs previous 13F -5,458 shares

    0.11% of the 13F portfolio, value $11,996,544.

    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 89,391 shares
    Change vs previous 13F -22,785 shares

    0.1% of the 13F portfolio, value $9,784,739.

    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 112,176 shares
    Change vs previous 13F -15,526 shares

    0.09% of the 13F portfolio, value $9,287,051.

    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).

  4. period ended2025-09-30
    13F 127,702 shares
    Change vs previous 13F -28,374 shares

    0.11% of the 13F portfolio, value $11,451,038.

    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).

  5. period ended2025-06-30
    13F 156,076 shares
    Change vs previous 13F -23,956 shares

    0.11% of the 13F portfolio, value $10,736,468.

    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).

  6. period ended2025-03-31
    13F 180,032 shares
    Change vs previous 13F -7,917 shares

    0.1% of the 13F portfolio, value $10,079,992.

    13F-HR 0001172661-25-002089 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).

  7. period ended2024-12-31
    13F 187,949 shares
    Change vs previous 13F -75 shares

    0.11% of the 13F portfolio, value $11,517,515.

    13F-HR 0001172661-25-000936 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).

  8. period ended2024-09-30
    13F 188,024 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $12,289,249.

    13F-HR 0001172661-24-004776 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).