# Penbrook Management

Penbrook Management is an Asset Manager based in New York, United States.

## Overview

- **Organization type:** Asset Manager
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, NY, United States
- **Founded:** 1992
- **Assets under management:** <$100M (Altss estimate)
- **Website:** penbrookmanagement.com

## Regulatory record

- **CRD number:** 127269
- **SEC file number:** 801-63460
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/127269

## About

PENBROOK MANAGEMENT LLC is an SEC-registered investment adviser in NEW YORK, NY, registered since 2004. The firm manages approximately $175 million in assets. It has 4 employees and 4 investment advisers.

## Sectors

- Real Estate
- Financials
- Consumer Discretionary

## People

- Robert I. Usdan — President and Chief Investment Officer

## Questions

### Who makes investment decisions at Penbrook Management?

Robert I. Usdan serves as President and Chief Investment Officer and has been the sole control person listed on the firm's SEC Form ADV filings for many years. All investment decisions appear to flow through him directly, with no other portfolio managers or analysts named in public disclosures. The firm operates without a public-facing investment committee.

### What is Penbrook's relationship with One Liberty Properties?

Penbrook is one of the largest outside shareholders of One Liberty Properties, a publicly traded net-lease REIT. SEC filings have shown Penbrook owning between roughly 15% and 25% of the company's outstanding shares at various points over the past two decades. This position alone has consistently represented the majority of Penbrook's reported public equity portfolio.

## Related profiles

- [Pelleton Capital Management](https://altss.com/profile/pelleton-capital-management-ltd)
- [Pendulum Wealth Partners](https://altss.com/profile/pendulum-wealth-partners)

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

Canonical page: https://altss.com/profile/penbrook-management-llc

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