Key facts
- It has raised $142.6M; the latest was Early Stage VC ($86.3M) in Feb 2026.
- Notable investors include Lenovo Capital and Incubator Group, Source Code Capital, Shun Xi Fund, China Development Bank Capital, Xiang He Capital — 6 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 6 names
- ·Watchlist + deal alerts for Sunmmio
- ·The full record, as it builds
Funding rounds
No funding rounds for Sunmmio are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Sunmmio
Manufacturer of 3D computing chips designed to overcome memory bandwidth limitations and optimise AI large-scale computing performance. The company offers a 3D-stacked chip architecture based on Hybrid Bonding, extreme high bandwidth, and high-density, low-energy computing capabilities, enabling internet companies and intelligent computing centres to process massive data efficiently and support next-generation AI applications.
- Sector
- Information Technology
- HQ
- Beijing, China
- Founded
- 2022
- Employees
- 150
- Website
- sunmmio.com/
- Ownership
- Privately Held (backing)
Sunmmio doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Sunmmio shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Sunmmio in its N-PORT filings yet. We sweep new filings monthly.