# Osmium Partners

Osmium Partners is a RIA based in San Anselmo, United States.

## Overview

- **Organization type:** RIA
- **Headquarters:** San Anselmo, United States
- **Region:** North America
- **Address:** San Francisco, CA, United States
- **Founded:** 2004
- **Assets under management:** Undisclosed
- **Website:** osmiumpartners.com
- **LinkedIn:** https://www.linkedin.com/company/osmium-partners-llc

## Regulatory record

- **CRD number:** 163789
- **SEC file number:** 802-114792
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/163789

## About

OSMIUM PARTNERS, LLC is an exempt reporting adviser in SAN ANSELMO, CA. It is based there.

## Sectors

- Technology
- Real Estate
- Private Credit
- Hedge Funds

## People

- John C. B. Osmium — Founder & Managing Partner
- David L. K. Osmium — Partner

## Questions

### Who runs investment decisions at Osmium Partners?

John C. B. Osmium, the founder and managing partner, leads investment decisions for the firm. David L. K. Osmium serves as a partner in the investment team. The firm maintains a lean, hands-on governance structure for all capital deployment.

### What investment stages does Osmium Partners typically target?

The firm is active across stages, including growth equity in private technology companies, direct real estate acquisitions, and private credit opportunities. Osmium Partners also participates in hedge fund investments for liquid exposure. The firm is opportunistic and not limited to a single stage.

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Last updated: 2026-08-14T12:30:00.000Z

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