MAIRS & POWER INC's ownership history for TECH

MAIRS & POWER INC currently holds 2.8M shares with a market value of $143.7M. It started holding TECH on 2024-09-30. At its peak, it held 2.8M shares on 2025-09-30. Its highest holding value was $215.6M on 2024-09-30. At its lowest, it held 2.7M shares on 2025-03-31, with a value of $139.8M on 2025-06-30. In the recent 180 days, MAIRS & POWER INC has decreased its shares by 57.1K. In the recent year, MAIRS & POWER INC has increased its shares by 98.5K.