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.

Sector Allocations

Trade Activity

# Ticker Activity Shares Traded Shares Value Shares Owned Avg. Buy Price Quarter Filing Date Report Date
421
COST

Costco Wholesale...

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358
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Q4 2024 02/14/2025 12/31/2024
422
PLXS

Plexus Corp.

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6.84 K
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Q4 2024 02/14/2025 12/31/2024
423
DE

Deere & Company

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25
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Q4 2024 02/14/2025 12/31/2024
424
ACN

Accenture plc

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114
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Q4 2024 02/14/2025 12/31/2024
425
CVX

Chevron Corporat...

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696
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Q4 2024 02/14/2025 12/31/2024
426
GIS

General Mills, I...

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2.77 K
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Q4 2024 02/14/2025 12/31/2024
427
JAMF

Jamf Holding Cor...

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4.48 K
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Q4 2024 02/14/2025 12/31/2024
428
DCI

Donaldson Compan...

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61.99 K
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Q4 2024 02/14/2025 12/31/2024
429
QCRH

QCR Holdings, In...

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65
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Q4 2024 02/14/2025 12/31/2024
430
VZ

Verizon Communic...

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1.34 M
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Q4 2024 02/14/2025 12/31/2024
431
IDXX

IDEXX Laboratori...

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100
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Q4 2024 02/14/2025 12/31/2024
432
CFR

Cullen/Frost Ban...

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370
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Q4 2024 02/14/2025 12/31/2024
433
TECH

Bio-Techne Corpo...

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23.03 K
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Q4 2024 02/14/2025 12/31/2024
434
GNRC

Generac Holdings...

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15.23 K
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Q4 2024 02/14/2025 12/31/2024
435
ORCL

Oracle Corporati...

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795
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Q4 2024 02/14/2025 12/31/2024
436
HPQ

HP Inc.

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639
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Q4 2024 02/14/2025 12/31/2024
437
APD

Air Products and...

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75
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Q4 2024 02/14/2025 12/31/2024
438
DIS

The Walt Disney ...

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9.23 K
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Q4 2024 02/14/2025 12/31/2024
439
ALE

ALLETE, Inc.

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2.92 K
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Q4 2024 02/14/2025 12/31/2024
440
GBCI

Glacier Bancorp,...

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75
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Q4 2024 02/14/2025 12/31/2024
Showing 421 to 440 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.