SUNSTONE PARTNERS
SUNSTONE PARTNERS is a Seed, Series C+ and buyout fund in the US writing $75M–$200M checks into AI, Security, technology-enabled-services, software, cloud, healthcare-it and marketing-services.
- Stages
- Seed, Series C+, buyout
- Sectors
- AI, Security, technology-enabled-services, software, cloud, healthcare-it, marketing-services
- Check size
- $75M–$200M
- Invests in
- US-wide
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 2015
- Assets under management
- $1.7B
- Website
- sunstonepartners.com
Thesis
Sunstone Partners is a growth-oriented private equity firm founded in 2015, headquartered in San Mateo, California. They focus on investing in technology-enabled services and software companies, with a particular emphasis on AI. Key sectors of interest include Cloud, Cybersecurity, Healthcare IT, and Marketing Services. The firm engages in both majority and minority transactions, targeting companies with at least $20 million in revenue, a growth rate exceeding 20%, and a history of capital efficiency. Sunstone Partners has $1.7 billion in committed capital across its first three funds, with their third fund closing at $925 million. Their typical check size ranges from $75 million to $200 million, with a stated range of $50 million to $150 million in 2024. The firm is a spin-out of the growth equity team of Trident Capital.
Common questions
Does SUNSTONE PARTNERS invest at the Seed stage?
Yes. SUNSTONE PARTNERS lists Seed, Series C+ and buyout among the stages it invests in.
What check size does SUNSTONE PARTNERS write?
SUNSTONE PARTNERS writes $75M–$200M checks.
Where does SUNSTONE PARTNERS invest?
SUNSTONE PARTNERS invests in the US.