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Income Research & Management

CIK:0001165830
Asset Manager
$128B AUM
35 holdings
Boston, MA, United States
Founded:1987
204 employees
Latest filing:Sep 30, 2025

Income Research + Management (IR+M) is a privately owned investment management firm founded in 1987 and headquartered in Boston, MA. With over 200 employees, IR+M focuses exclusively on managing US-dollar denominated fixed income and provides customized investment solutions to a broad array of institutional and private clients, including pension funds, endowments, foundations, and other entities.

Investment Strategy

IR+M specializes exclusively in managing US-dollar denominated fixed income portfolios. The firm emphasizes a bottom-up, research-driven approach to security selection, primarily managing high-quality short- and intermediate-duration fixed income securities across government, corporate, and securitized sectors. IR+M actively seeks opportunities for value and risk management within customized client solutions, focusing on structural and price advantages, maintaining duration-neutral postures relative to their benchmarks, and dynamically managing liquidity and credit risks. Their strategies are tailored for institutional and private clients seeking robust, risk-aware performance in US fixed income markets.

Top Buys
A
AGGSHARBOR ETF TRUST
+$23.8K
B
BAC-PLBANK AMERICA CORP
+$23.6K
W
WFC-PLWELLS FARGO CO NEW
+$22.3K
T
TAXXBONDBLOXX ETF TRUST
-$7.0K
Top Sells
B
BLVVANGUARD BD INDEX FDS
-$50.1M
V
VGLTVANGUARD SCOTTSDALE FDS
-$39.6M
E
EDVVANGUARD WORLD FD
-$27.2M
A
AGGSHARBOR ETF TRUST
+$23.8K
B
BAC-PLBANK AMERICA CORP
+$23.6K

Top Holdings

T
TAXXBONDBLOXX ETF TRUST
+2.5%$5.1M
A
AGGSHARBOR ETF TRUST
+1.0%$2.1M
B
BAC-PLBANK AMERICA CORP
+0.2%$454.5K
W
WFC-PLWELLS FARGO CO NEW
+0.2%$442.3K

Equity Positions (4)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
T
TAXX
BONDBLOXX ETF TRUST2.49%$5.1M100,000$49.99$50.98-$7.0K
A
AGGS
HARBOR ETF TRUST1.02%$2.1M50,000$40.54$41.66+$23.8K
B
BAC-PL
BANK AMERICA CORP0.22%$454.5K355$1213.00$1280.00+$23.6K
W
WFC-PL
WELLS FARGO CO NEW0.22%$442.3K358$1174.13$1234.29+$22.3K

Industry Allocation

NATIONAL COMMERCIAL BANKS
+0.4%