Key facts
- SMBX’s last known valuation is $41.7M (Aug 2021).
- It has raised $14.5M; the latest was Later Stage VC in Nov 2025.
- Notable investors include Astir Ventures, Berkeley SkyDeck, Unpopular Ventures, Tribe Capital, Makai VC — 24 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 24 names
- ·Watchlist + deal alerts for SMBX
- ·The full record, as it builds
Funding rounds
No funding rounds for SMBX are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About SMBX
Operator of a funding portal and public marketplace intended to issue and buy small business bonds. The company's marketplace allows small businesses to offer bonds directly to the public without banks, middlemen, and standard regulatory fees, enabling businesses to raise capital without any hassle.
- Sector
- Financial Services
- HQ
- San Francisco, CA, United States
- Founded
- 2016
- Employees
- 21
- Website
- thesmbx.com/
- Ownership
- Privately Held (backing)
SMBX 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 SMBX 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 SMBX in its N-PORT filings yet. We sweep new filings monthly.