Fixed Income Investors.

Client-Focused Partners.

Independently Owned.

Since our inception, Income Research + Management (IR+M) has worked diligently to deliver strong investment performance and exceptional client service.
Discover IR+M

BY THE NUMBERS

Evolving Since 1987
$128 bn
in AUM
200+
Employees
700+
Clients
WHAT WE DO

Invest, Thrive, and Grow Together.

We focus exclusively on managing US-dollar denominated fixed income and creating customized investment solutions for our clients.
What We Do
$18.9 bn
$42.9 bn
$46.2 bn
$19.8 bn
WHO WE ARE

Our Collegial Culture is Steeped in Warmth and Inclusivity.

A privately-held firm, IR+M is intent on helping our institutional and private clients, community, and colleagues flourish.
Invested.
In delivering results for our clients, providing growth opportunities for our colleagues, and supporting our community
Respectful.
Of each other’s work, beliefs, and differences
Positive.
In our conviction that we are better and stronger together
Motivated.
To advocate for change, to grow, to evolve- and to enjoy the journey
Who We Are

Please check out our latest thought leadership, An Investor's Guide to Tax-Aware Investing, which provides insight into finding the optimal balance between taxable and tax-exempt bonds.

WHAT WE THINK

The Investor Lens.

Explore our views on the dynamic US fixed income market, and learn more about our investment philosophy, strategies, and people.
As of 9/30/2025 unless otherwise stated. Shareholder count as of 10/1/2025.
@ 2026 Income Research + Management. All Rights Reserved.
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IR+M’s Identity, Name, and Logo


We are aware that certain individuals or entities may be falsely claiming to represent IR+M and using our identity, name, logo, or other identifying information without authorization. In some instances, these parties may even pose as IR+M employees, offering financial advice or services purporting to be associated with our firm. Please remain vigilant when receiving unsolicited communications that appear to come from IR+M or individuals claiming to work for IR+M. IR+M does not operate any applications in any web store, does not use any application to communicate—such as WhatsApp—and this website is the only official IR+M web domain. IR+M does not solicit investors through WhatsApp or other social media. IR+M is not responsible for any information provided by unauthorized parties, and if you believe you have been contacted by an unauthorized party, please report it to info@incomeresearch.com.
Alert: Misuse of IR+M’s Identity