Robert W. Mairs

Robert W. Mairs

MAIRS & POWER INC

CIK: 0001070134

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Last Update On: Nov 01, 2025

Robert W. Mairs is the Chief Executive Officer and President of Mairs & Power, Inc., an independent, employee-owned investment advisory firm. He joined the firm in 2015 as general counsel and has since held various leadership roles, including chief compliance officer and president. In October 2024, he was named CEO, succeeding Mark L. Henneman.

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Trade Activity

# Ticker Activity Shares Traded Shares Value Shares Owned Avg. Buy Price Quarter Filing Date Report Date
541
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MGPI

MGP Ingredients,...

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OTIS

Otis Worldwide C...

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ADP

Automatic Data P...

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Q3 2024 11/14/2024 09/30/2024
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KO

The Coca-Cola Co...

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Q3 2024 11/14/2024 09/30/2024
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PLXS

Plexus Corp.

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Q3 2024 11/14/2024 09/30/2024
547
ACN

Accenture plc

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103
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Q3 2024 11/14/2024 09/30/2024
548
PG

The Procter & Ga...

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Q3 2024 11/14/2024 09/30/2024
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WFC

Wells Fargo & Co...

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Q3 2024 11/14/2024 09/30/2024
550
MSI

Motorola Solutio...

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6.21 K
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Q3 2024 11/14/2024 09/30/2024
551
PFG

Principal Financ...

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338.00 K
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Q3 2024 11/14/2024 09/30/2024
552
TMO

Thermo Fisher Sc...

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145
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Q3 2024 11/14/2024 09/30/2024
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LLY

Eli Lilly and Co...

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ONB

Old National Ban...

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Q3 2024 11/14/2024 09/30/2024
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XOM

Exxon Mobil Corp...

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JAMF

Jamf Holding Cor...

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Q3 2024 11/14/2024 09/30/2024
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CAT

Caterpillar Inc.

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510
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Q3 2024 11/14/2024 09/30/2024
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BA

The Boeing Compa...

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143
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Q3 2024 11/14/2024 09/30/2024
559
SLB

Schlumberger Lim...

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8.08 K
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Q3 2024 11/14/2024 09/30/2024
560
COP

ConocoPhillips

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169
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Q3 2024 11/14/2024 09/30/2024
Showing 541 to 560 of 3684 results
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Frequently Asked Questions

02

Robert W. Mairs is the Chief Executive Officer and President of Mairs & Power, Inc., an independent, employee-owned investment advisory firm. He joined the firm in 2015 as general counsel and has since held various leadership roles, including chief compliance officer and president. In October 2024, he was named CEO, succeeding Mark L. Henneman.

02

Explore Robert W. Mairs largest investments on Stocks.News, including companies like Microsoft Corporation , NVIDIA Corporation , Alphabet Inc. , and their significance in his portfolio.

02

Robert W. Mairs portfolio updates are typically published quarterly through SEC 13F filings, which provide detailed information about their holdings, including recent buys and sells.

02

Robert W. Mairs currently invests in companies such as Autodesk, Inc.

02

The largest holding in Robert W. Mairs portfolio is Microsoft Corporation.

02

As of Jun 30, 2025, Robert W. Mairs portfolio is valued at approximately $10.13 B, based on the latest filings available on Stocks.News.