MAIRS & POWER INCMAIRS & POWER INC

Institutional investor · Portfolio as of Q2 2026

Top Holdings254 positions

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Activity:

Nvidia Corp

4.7M$942M8.6%$7.74+2757.77%
29 qtrssince 2019-Q2
Decreased
0

Microsoft Corp.

2M$727.7M6.7%$151.07+253.27%
30 qtrssince 2019-Q1
Increased
62

Amazon.com Inc

2.6M$619.6M5.7%$157.51+61.31%
30 qtrssince 2019-Q1
Decreased
0

Alphabet Inc CL C

1.7M$594.8M5.5%$71.78+378.78%
30 qtrssince 2019-Q1
Increased
64

Eli Lilly & Co

322,129$386.4M3.5%$193.02+526.23%
30 qtrssince 2019-Q1
Decreased
0

NVENT ELEC PLC

2.1M$348.2M3.2%$20.87+631.92%
30 qtrssince 2019-Q1
Decreased
0

Apple Inc

1.1M$329.4M3.0%$182.41+88.02%
30 qtrssince 2019-Q1
Decreased
0

JPMorgan Chase & Co

923,550$302.3M2.8%$114.12+193.81%
30 qtrssince 2019-Q1
Decreased
0

Visa Inc

852,050$292.3M2.7%$199.43+96.27%
30 qtrssince 2019-Q1
Increased
54

GRACO INC

3.8M$287.1M2.6%$48.02+67.59%
30 qtrssince 2019-Q1
Decreased
0

LITTELFUSE INC

602,104$274.2M2.5%$187.02+114.50%
30 qtrssince 2019-Q1
Decreased
0

TORO CO

2.7M$260.7M2.4%$67.72+45.11%
30 qtrssince 2019-Q1
Decreased
0

ENTEGRIS INC

1.3M$234.1M2.1%$98.93+54.73%
19 qtrssince 2021-Q4
Decreased
0

UnitedHealth Group Inc

559,951$232.7M2.1%$285.28+38.68%
30 qtrssince 2019-Q1
Decreased
0
TSMTSM
ADR

Taiwan Semiconductor Mfg ADR

476,245$227.4M2.1%$180.20+138.62%
6 qtrssince 2025-Q1
Decreased
0

Motorola Solutions Inc

544,876$226.3M2.1%$177.09+155.09%
30 qtrssince 2019-Q1
Increased
53

Ecolab Inc

777,541$216.6M2.0%$171.75+67.52%
30 qtrssince 2019-Q1
Increased
49

WEC ENERGY GROUP INC

1.8M$208.8M1.9%$98.50+8.38%
30 qtrssince 2019-Q1
Decreased
0

PALO ALTO NETWORKS INC

599,841$204.6M1.9%$188.74+98.71%
14 qtrssince 2023-Q1
Increased
54

ALLIANT ENERGY CORP

2.7M$202.8M1.9%$46.87+44.04%
30 qtrssince 2019-Q1
Decreased
0
$10.9B
AUM
254
Positions
Q2 2026
Filing
HI score · 4.0/5
Quarterly 13F Value Change
-7%Q1'25$9.6B+5%Q2'25$10.1B+5%Q3'25$10.6B-2%Q4'25$10.4B-6%Q1'26$9.8B+11%Q2'26$10.9B
Activity profile
$ moved · Q2'26
New8%Increased30%Decreased59%Exited3%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 5.2 years
<1Q4%1-4Q9%1-2Y7%2Y+80%

MAIRS & POWER INC manages $10.9B across 254 positions as of Q2 2026. Top holdings: NVDA (8.6%), MSFT (6.7%), AMZN (5.7%). Fund DNA: Steady Compounder. HoldingsIntel Score: 4/5.0.

Q2 2026 Summary

Active quarter - 17 new positions, 8 exits, 56 increased. Top move: GOOG (INCREASED, conviction 64). Portfolio: $10.9B across 254 positions.

Top holdings by portfolio weight

Total AUM$11B
NVDA8.64%
MSFT6.68%
AMZN5.68%
GOOG5.46%
LLY3.54%
NVT3.19%
AAPL3.02%
JPM2.77%
V2.68%
GGG2.63%
Other2.52%

Portfolio allocation by GICS sector

Sectors11
Technology32.79%
Industrials16.37%
Healthcare11.03%
Financial Services10.40%
Communication Services8.84%
Consumer Cyclical7.15%
Basic Materials4.92%
Utilities4.66%
Consumer Defensive1.94%
Unknown1.67%
Other0.23%

Behavioral investing profile

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Steady Compounder- primarily Technology, Industrials, Healthcare
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Strong(4.0 / 5.0)
Holdings P&L76
Conviction38
Concentration67
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

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Accumulation Streaks

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Security
7Q
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7Q
PANWPANWPALO ALTO NETWORKS INC
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5Q
AMPAMPAMERIPRISE FINL INC
Q2 2025 → Q2 2026+186,423 shares+$84.8M
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

Verify source filings on SEC EDGAR

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