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
441
WTFC

Wintrust Financi...

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40
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Q4 2024 02/14/2025 12/31/2024
442
OSK

Oshkosh Corporat...

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20
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Q4 2024 02/14/2025 12/31/2024
443
ABBV

AbbVie Inc.

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976
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Q4 2024 02/14/2025 12/31/2024
444
NWE

Northwestern Ene...

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Q4 2024 02/14/2025 12/31/2024
445
XOM

Exxon Mobil Corp...

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282
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Q4 2024 02/14/2025 12/31/2024
446
ALRS

Alerus Financial...

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55
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Q4 2024 02/14/2025 12/31/2024
447
MMM

3M Company

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8.75 K
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Q4 2024 02/14/2025 12/31/2024
448
AVGO

Broadcom Inc.

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50
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Q4 2024 02/14/2025 12/31/2024
449
MSI

Motorola Solutio...

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4.21 K
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Q4 2024 02/14/2025 12/31/2024
450
ALTR

Altair Engineeri...

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122.96 K
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Q4 2024 02/14/2025 12/31/2024
451
MOS

The Mosaic Compa...

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8.72 K
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Q4 2024 02/14/2025 12/31/2024
452
ORCL

Oracle Corporati...

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795
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Q4 2024 02/14/2025 12/31/2024
453
HPQ

HP Inc.

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639
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Q4 2024 02/14/2025 12/31/2024
454
TMO

Thermo Fisher Sc...

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49
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Q4 2024 02/14/2025 12/31/2024
455
PDCO

Patterson Compan...

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11.70 K
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Q4 2024 02/14/2025 12/31/2024
456
PIPR

Piper Sandler Co...

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4.21 K
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Q4 2024 02/14/2025 12/31/2024
457
CSCO

Cisco Systems, I...

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500
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Q4 2024 02/14/2025 12/31/2024
458
KNF

Knife River Corp...

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70
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Q4 2024 02/14/2025 12/31/2024
459
SCHW

The Charles Schw...

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120.73 K
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Q4 2024 02/14/2025 12/31/2024
460
AMZN

Amazon.com, Inc.

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505
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Q4 2024 02/14/2025 12/31/2024
Showing 441 to 460 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.