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Mairs & Power Funds – Largest Buy Additions (2026 Q1)

A detailed view of the stocks most significantly increased by Mairs & Power Funds during the 2026 Q1 reporting period. This breakdown highlights where new capital was added, revealing the investor’s highest-conviction opportunities and sector preferences.

Symbol Shares Reported Price(USD) Action Change % Portfolio Weight Position Value Filing Period
MSFT 1,942,391 $370.17 Increased 1.54% 7.34% $719.01M 2026 Q1
AMZN 2,602,912 $208.27 Increased 0.39% 5.54% $542.11M 2026 Q1
V 840,917 $302.24 Increased 4.78% 2.60% $254.16M 2026 Q1
MSI 540,732 $433.97 Increased 2.95% 2.40% $234.66M 2026 Q1
WEC 1,910,685 $115.77 Increased 0.10% 2.26% $221.2M 2026 Q1
META 324,625 $572.13 Increased 2.56% 1.90% $185.73M 2026 Q1
FISV 2,152,853 $55.8 Increased 31.01% 1.23% $120.13M 2026 Q1
WM 398,240 $229.79 Increased 39724.00% 0.93% $91.51M 2026 Q1
AMP 197,047 $444.4 Increased 362.43% 0.89% $87.57M 2026 Q1
PANW 532,679 $160.32 Increased 141.42% 0.87% $85.4M 2026 Q1
ABT 721,778 $102.67 Increased 1.93% 0.76% $74.1M 2026 Q1
CGNX 1,223,875 $48.99 Increased 4.46% 0.61% $59.96M 2026 Q1
MMM 351,848 $145.23 Increased 0.77% 0.52% $51.1M 2026 Q1
ISRG 99,885 $460.99 Increased 60.39% 0.47% $46.05M 2026 Q1
PIPR 546,090 $76.55 Increased 210.52% 0.43% $41.8M 2026 Q1
TRV 142,414 $291.68 Increased 25.14% 0.42% $41.54M 2026 Q1
MEDP 85,720 $480.19 Increased 28.58% 0.42% $41.16M 2026 Q1
ZTS 303,116 $118.21 Increased 33.89% 0.37% $35.83M 2026 Q1
PG 243,410 $144.44 Increased 12.55% 0.36% $35.16M 2026 Q1
XEL 402,263 $79.44 Increased 1.51% 0.33% $31.96M 2026 Q1
ADP 124,436 $203.18 Increased 12.33% 0.26% $25.28M 2026 Q1
SFM 292,177 $77.13 Buy 100.00% 0.23% $22.54M 2026 Q1
CLFD 731,733 $26.47 Increased 0.21% 0.20% $19.37M 2026 Q1
SPY 27,180 $650.33 Increased 0.47% 0.18% $17.68M 2026 Q1
GOOGL 55,766 $287.56 Increased 11.80% 0.16% $16.04M 2026 Q1
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