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MAIRS & POWER INC: TECH position timeline

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

MAIRS & POWER INC held 2,700,698 TECH 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 2,700,698 shares
    Change vs previous 13F -49,584 shares

    1.75% of the 13F portfolio, value $190,804,299.

    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 2,750,282 shares
    Change vs previous 13F -17,257 shares

    1.47% of the 13F portfolio, value $143,729,727.

    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 2,767,539 shares
    Change vs previous 13F -39,870 shares

    1.57% of the 13F portfolio, value $162,758,957.

    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 2,807,409 shares
    Change vs previous 13F +91,031 shares

    1.47% of the 13F portfolio, value $156,176,151.

    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 2,716,378 shares
    Change vs previous 13F +64,585 shares

    1.38% of the 13F portfolio, value $139,757,638.

    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 2,651,793 shares
    Change vs previous 13F -21,975 shares

    1.62% of the 13F portfolio, value $155,474,612.

    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 2,673,768 shares
    Change vs previous 13F -23,028 shares

    1.86% of the 13F portfolio, value $192,591,494.

    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 2,696,796 shares
    Change vs previous 13F not available

    2.03% of the 13F portfolio, value $215,554,888.

    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).