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C&S Family Capital operates as a family office investment platform primarily focused on direct private investments. It provides a structured vehicle for deploying personal capital into various sectors, emphasizing a hands-on approach to strategic allocations. This method allows for targeted participation in private market opportunities.
The firm was established by Jonathan Coslet, who previously held the position of Chief Investment Officer at TPG. The foundational insight was to create a dedicated, agile platform for investing personal and aligned capital directly, leveraging extensive experience in private equity transactions.
Serving as a family office, C&S Family Capital manages the personal capital of its founders and associated partners. Its long-term vision is to achieve strategic growth and diversification by identifying and engaging with promising enterprises across high-potential industries.
C&S Family Capital has 3 tracked investments across 2 companies. The latest tracked deal is $55.0M Debt / Other Equity in Small Door in July 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Jul 29, 2025 | Small Door | $55.0M Debt / Other Equity | Yumin Choi | Bridge Bank, Lerer Hippeau, Primary Venture Partners, Toba Capital |
| Dec 1, 2022 | Small Door | $40.0M Series B | — | Alumni Ventures, Brand Foundry Ventures, Curie.Bio, Operator Partners, Primary Venture Partners, Toba Capital, Jonathan Neman, Yumin Choi, FS Investors, Lerer Hippeau, TriplePoint Capital |
| Oct 7, 2022 | Yummers | $6.3M Seed | Whitney Casey | Lou Kreisberg, Pauline Moller, FS Investors, Platinum Mile Ventures |
