# Longfellow Investment Management Co.

Longfellow Investment Management Co. is a RIA based in Boston, United States.

## Overview

- **Organization type:** RIA
- **Headquarters:** Boston, United States
- **Region:** North America
- **Address:** Boston, MA, United States
- **Founded:** 1989
- **Assets under management:** Undisclosed
- **Website:** longfellowim.com

## Regulatory record

- **CRD number:** 104945
- **SEC file number:** 801-27485
- **Registration status:** Registered
- **Latest Form ADV filing:** 2026-04-13T00:00:00.000Z
- **Reports private funds:** No
- **Private funds reported:** 0
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/104945

## About

LONGFELLOW INVESTMENT MANAGEMENT CO. LLC is an SEC-registered investment adviser in Boston, MA, registered since 1986. The firm manages approximately $23.4 billion in assets. It has 51 employees and 24 investment advisers.

## Sectors

- Fixed Income
- Corporate Credit
- Municipal Bonds
- Structured Products

## Questions

### What type of assets does Longfellow manage?

The firm focuses exclusively on fixed-income securities, including investment-grade corporate bonds, municipal bonds, mortgage-backed securities, and structured credit products. It does not manage equity or alternative asset portfolios.

### Who are Longfellow's typical clients?

The firm serves institutional investors such as pension funds, foundations, endowments, and family offices. It also manages assets for pooled investment vehicles and separate accounts.

### How does Longfellow source investment ideas?

The firm relies on fundamental credit research, macroeconomic analysis, and relative value trading. Its team evaluates bond issuers, sectors, and yield-curve positioning to construct portfolios.

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Last updated: 2026-07-11T09:32:58.000Z

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