# Diameter Principal Finance

Diameter Principal Finance is an Asset Manager.

## Overview

- **Organization type:** Asset Manager
- **Assets under management:** Undisclosed

## Regulatory record

- **CRD number:** 328057
- **SEC file number:** 801-128935
- **Registration status:** Registered
- **Reports private funds:** No
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/328057

## About

DIAMETER PRINCIPAL FINANCE LLC is an SEC-registered investment adviser in NEW YORK, NY, registered since 2023. The firm manages approximately $3.4 billion in regulatory assets. It has 119 employees and 62 investment advisers.

## Sectors

- Private Credit
- Hedge Funds

## Questions

### Does Diameter operate as a fund or a proprietary balance-sheet vehicle?

The precise structure is not publicly detailed, but the firm's name and strategy — 'Principal Finance' — indicate it invests its own or commingled committed capital directly as principal, rather than operating as an advisory-led or flow-trading desk. Firms of this type commonly use closed-end fund structures alongside separate managed accounts.

### Who are Diameter's typical counterparties?

Typical counterparties are financial institutions — banks, insurance companies, and specialty lenders — that are selling loan portfolios or structured securities to address regulatory capital requirements, exit non-core businesses, or reduce exposure during periods of market stress. Diameter buys what those institutions need to sell, not what they are marketing.

### How does Diameter's approach differ from a typical distressed-debt hedge fund?

While many distressed funds focus on publicly traded corporate bonds or fulcrum-security restructuring, Diameter emphasizes private, bilateral portfolio acquisitions of structured and esoteric credit assets. This requires in-house legal structuring skills and a willingness to own illiquid positions for years, distinguishing it from managers who rely on public-market liquidity or par-building in large syndicated credits.

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- [Fidela Wealth](https://altss.com/profile/fidela-wealth)

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Last updated: 2026-06-03T20:00:00.000Z

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