# Sonamu Group

Sonamu Group is a Multi Family Office based in New York, United States.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** Brooklyn, NY, United States
- **Founded:** 2019
- **Assets under management:** Undisclosed
- **Website:** sonamugroup.com
- **LinkedIn:** https://www.linkedin.com/company/sonamu-group

## Regulatory record

- **CRD number:** 324293
- **SEC file number:** 802-127115
- **Registration status:** ACTIVE
- **Latest Form ADV filing:** 2026-03-31T05:00:00.000Z
- **Reports private funds:** Yes
- **Private funds reported:** 0
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/324293

## About

Sonamu Group began operations in 2019 under founder Tina Surh. The firm serves a limited set of families and charitable foundations through a single evergreen vehicle. The portfolio spans public equities, private equity, and opportunistic credit. Positions are held directly or through targeted partnerships rather than broad fund commitments. Geographic reach covers North America and developed international markets. Confirmed relationships include co-speaker appearances with Fleur Fairman at the 22nd Annual Yale PE/VC Symposium in February 2025. Team size remains undisclosed. Surh maintains board roles at Tufts University School of Engineering and Tisch College. The firm lists a sailing yacht among its assets and supports philanthropy through the Boys and Girls Clubs of Boston. No additional offices are recorded. The evergreen partnership structure removes fixed-term capital return pressure. This allows longer holding periods and direct co-investment selection without external limited partner reporting cycles.

## People

- Tina Surh — Founder & Chief Investment Officer

## Questions

### Who runs investment decisions at Sonamu Group?

Tina Surh serves as founder and chief investment officer. She directs allocation across the evergreen partnership.

### How does Sonamu Group source proprietary deal flow?

The firm relies on opportunistic sourcing through institutional networks and direct relationships. One documented interaction occurred with Fleur Fairman at the Yale PE/VC Symposium in February 2025.

### Does Sonamu Group participate in fund commitments or only direct deals?

The firm allocates across public and private markets through both direct holdings and targeted partnerships.

### What is Sonamu Group's known posture on co-investments alongside external GPs?

The firm engages in direct co-investments and maintains relationships with external operators such as Fleur Fairman.

## Related profiles

- [S&O Multifamily Office](https://altss.com/profile/s-o-multifamily-office)
- [Sonntag Family Office](https://altss.com/profile/sonntag-family-office)

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Last updated: 2026-07-08T20:31:14.786Z

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