# Epacria Capital Partners

Epacria Capital Partners is a Single Family Office based in Boulder, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Boulder, United States
- **Region:** North America
- **Address:** 885 Arapahoe Avenue, Suite 2, Boulder, CO 80302, United States
- **Founded:** 2021
- **Assets under management:** Undisclosed
- **Website:** epacria.com
- **LinkedIn:** https://www.linkedin.com/company/epacria-capital-partners-llc

## Regulatory record

- **Reports private funds:** No

## About

Epacria Capital Partners was established in 2021 by Thomas M. Clay to oversee the fortune built by his father, Landon T. Clay, who chaired Eaton Vance until his death. Lavinia D. Clay joined as co-founder. The office operates from Boulder with a mandate centered on after-tax returns. The firm allocates across public equities, private equity, natural resources and distressed situations. It executes through direct co-investments and SPVs rather than broad fund commitments. Confirmed exposures include positions in healthcare services and industrial technology companies. Activity spans North America and South America. Buyout and growth stages receive primary attention. Team size remains undisclosed. Thomas M. Clay also chairs the Clay Mathematics Institute, an adjacent vehicle created by the family. No additional offices appear in records. No operational events from the past 24 months have been verified. The structure ties investment decisions directly to family principals without external limited partners. This setup allows extended holding periods and avoids typical fund lifecycle pressures.

## Sectors

- Healthcare Services
- Industrial Tech
- Supply Chain & Logistics
- AgriTech & FoodTech
- Digital Health

## People

- Thomas M. Clay — Managing Member
- Lavinia D. Clay — Co-founder
- Arthur Jaffe — Business Partner

## Questions

### Who runs investment decisions at Epacria Capital Partners?

Thomas M. Clay serves as Managing Member and directs allocations. Lavinia D. Clay participates as co-founder. Arthur Jaffe supports operations through his role at the Clay Mathematics Institute.

### How does Epacria Capital Partners source proprietary deal flow?

The office relies on family networks and long-standing relationships in Boston and Boulder. No external placement agents or broad marketing channels are referenced.

### Does Epacria Capital Partners participate in fund commitments or only direct deals?

Direct co-investments and SPVs constitute the primary vehicles. The record shows no commitments to third-party funds.

### What investment stages does Epacria Capital Partners typically target?

Buyout and growth equity receive focus. Distressed and turnaround opportunities also appear in the mandate.

### Does Epacria Capital Partners maintain philanthropic structures?

The Clay Mathematics Institute operates as a separate family vehicle focused on mathematical research. Art donations to the Boston Museum of Fine Arts are also recorded.

### What is Epacria Capital Partners posture on co-investments alongside external GPs?

Direct co-investments form a stated deployment channel. No specific external GPs or club deals are named in available records.

## Related profiles

- [Sundial Wealth](https://altss.com/profile/sundial-wealth-llc)
- [KEM Group](https://altss.com/profile/kem-group)

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Last updated: 2026-08-10T15:54:10.904Z

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