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MAIRS & POWER INC: GNRC position timeline

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

MAIRS & POWER INC held 93,395 GNRC 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 93,395 shares
    Change vs previous 13F -6,352 shares

    0.25% of the 13F portfolio, value $27,346,990.

    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 99,747 shares
    Change vs previous 13F -8,831 shares

    0.2% of the 13F portfolio, value $19,483,582.

    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 108,578 shares
    Change vs previous 13F -8,183 shares

    0.14% of the 13F portfolio, value $14,806,782.

    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 116,761 shares
    Change vs previous 13F -14,856 shares

    0.18% of the 13F portfolio, value $19,545,791.

    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 131,617 shares
    Change vs previous 13F -21,780 shares

    0.19% of the 13F portfolio, value $18,848,871.

    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 153,397 shares
    Change vs previous 13F -14,287 shares

    0.2% of the 13F portfolio, value $19,427,730.

    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 167,684 shares
    Change vs previous 13F -15,231 shares

    0.25% of the 13F portfolio, value $25,999,404.

    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 182,915 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $29,061,535.

    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).