Sunstone Partners
sunstonepartners.com Direct investor
Sunstone Partners is a growth-oriented private equity firm that invests in AI- and technology-enabled services and software companies. It was founded in 2015 and is headquartered in San Mateo, CA.
Sunstone Partners is a private equity firm headquartered in San Mateo, United States, founded in 2015. It invests directly in companies, from growth to buyout, in AI, technology-enabled services and software. Its stated cheque size is $75M - $200M. $1.7 billion of committed capital under its first three funds under management, as it reports.
“Sunstone Partners is a growth-oriented private equity firm that invests in AI- and technology-enabled services and software companies.”
— Sunstone Partners, own website
- Layer
- Direct investor
- Type
- Private equity
- Headquarters
- San Mateo, United States
- Invests in
- North America
- Sectors
- AI, technology-enabled services, software
- Cheque size
- $75M - $200M
- Founded
- 2015
- Assets under management
- $1.7 billion of committed capital under its first three funds
Co-invests most often with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 17 co-investors found.
- Backcast Partners Management LLC 1 shared company: alterdomus.com
- Cinven 1 shared company: alterdomus.com
- Coller Capital 1 shared company: alterdomus.com
- Fort Point Capital 1 shared company: alterdomus.com
- Gyrus Capital 1 shared company: alterdomus.com
- LoneTree Capital, LLC 1 shared company: alterdomus.com
- Longwood Fund 1 shared company: alterdomus.com
- Next Billion Capital Partners 1 shared company: alterdomus.com
- NMS Capital Services, LLC 1 shared company: alterdomus.com
- Permira 1 shared company: alterdomus.com
and 7 more — the graph.
Where this comes from
Every fact above was read from a page Sunstone Partners publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.
- https://sunstonepartners.com/name, is_investor, layer, type, hq_country, hq_city, invests_in_geographies, stage_min, stage_max, sectors, cheque_size, thesis_quote, thesis_quote_page, description, founded, aum, status
Is this record wrong or stale? Report a mistake — it reaches us directly, no email address to look up.
Record 1382 · added 2026-08-28 · link last verified 2026-09-06 · confidence high
Similar investors
- Bloom Equity Partners Management, LLCPrivate equity · Growth – Buyout · United States
- Carrick Capital PartnersPrivate equity · Growth · United States
- Centre Street PartnersPrivate equity · Growth – Buyout · New York, United States
- Diversis Capital Management, L.P.Private equity · Growth – Buyout · Los Angeles, United States
- Falcata Capital LLCPrivate equity · Growth – Buyout · Houston, United States
- Level EquityPrivate equity · Growth · New York, United States