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Private Equity
San Mateo, CA
A partner for growth LEARN MORE Who We Are Sunstone Partners is a growth-oriented private equity firm that invests in AI- and technology-enabled services and software companies. We seek to partner with exceptional entrepreneurs, often as their first institutional capital partner, to help accelerate organic growth and fund acquisitions. We have over 70 years of […]
Data as of (this record's last observation) from federal regulator filings, firm and issuer disclosures, news and newswire. Page built and rebuilt at most every 15 minutes.
| Fund | Vintage | Lifecycle | ADV type | Form D sold | GAV | LPs |
|---|---|---|---|---|---|---|
| Sunstone Partners Iii-Main, LP | 2023 | Unknown | Private Equity Fund | n/a | $66.3M | 0 |
| Sunstone Partners Iii-A, LP | 2023 | Unknown | Private Equity Fund | n/a | $23.1M | 0 |
| Sunstone Partners Executive Fund III, LP | 2023 | Unknown | Private Equity Fund | n/a | $2.2M | 0 |
| Sunstone Partners Executive Fund II, LP | 2020 | Active deployment | Private Equity Fund | n/a | $9.4M | 0 |
| Sunstone Partners Ii-A, LP | n/a | Active deployment | Private Equity Fund | n/a | $181M | 0 |
| Sunstone Partners I, LP | n/a | Mature | Private Equity Fund | n/a | $493M | 1 |
| Sunstone Partners Co-Invest I, LP | n/a | Harvest | Private Equity Fund | n/a | $5.4M | 0 |
| Sunstone Partners II, LP | n/a | Active deployment | Private Equity Fund | n/a | $488M | 2 |
| Company | State | Role | Control | Invested | Exited | Status |
|---|---|---|---|---|---|---|
| Peloton Consulting Group | n/a | unknown | unknown | May 13, 2026 | n/a | active |
| Clearwater | n/a | unknown | unknown | Sep 30, 2025 | n/a | active |
| (acquired by KKR) | n/a | unknown | unknown | n/a | n/a | exited |
| (acquired by Cognizant) | n/a | unknown | unknown | n/a | n/a | exited |
| Alien Vault | n/a | unknown | unknown | n/a | n/a | exited |
| Datatel | n/a | unknown | unknown | n/a | n/a | exited |
| Prolexic | n/a | unknown | unknown | n/a | n/a | exited |
| Health MedX | n/a | unknown | unknown | n/a | n/a | exited |
| Progeny Health | n/a | unknown | unknown | n/a | n/a | exited |
| Avertium | n/a | unknown | unknown | n/a | n/a | active |
| Limited partner | Fund | Commitment | Committed | Vintage |
|---|---|---|---|---|
| Los Angeles City Employees' Retirement System | Sunstone Partners I, LP | n/a | n/a | 2015 |
| Los Angeles City Employees' Retirement System | Sunstone Partners II, LP | n/a | n/a | 2020 |
| Los Angeles City Employees' Retirement System | n/a | n/a | n/a | 2022 |
| Los Angeles City Employees' Retirement System | n/a | $20.0M | n/a | 2022 |
| Los Angeles City Employees' Retirement System | Sunstone Partners II, LP | $10.0M | n/a | 2019 |
Who to call is the organisation, the person's role and the line they published themselves: a business phone, office address, website or profile link from Form ADV, Form 13F or their own website, with that source named on every value. The counts above are what a reveal returns; a personal email is rarely published, so most reveals are the firm's line. Never data bought from a provider, never anything personal. Reveals by plan