Key facts
- It has raised $500K; the latest was Seed Round in Jan 2026.
- Notable investors include Y Combinator, 500 Global, RedBlue Capital.
- Status: Privately Held (backing).
Investors
3- ·The complete investor list — 3 names
- ·Watchlist + deal alerts for Efference
- ·The full record, as it builds
Funding rounds
No funding rounds for Efference are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Efference
Developer of vision systems designed to assist in robotic functionality. The company's systems help robots interpret their surroundings, understand three-dimensional environments, recognize objects that may not be part of a predefined set, segment visual scenes into meaningful components, and connect visual input with language-based instructions, enabling clients to have more accurate and adaptable machine actions in real-world settings.
- Sector
- Business Products and Services (B2B)
- HQ
- San Francisco, CA, United States
- Founded
- 2025
- Employees
- 6
- Website
- efference.ai/
- Ownership
- Privately Held (backing)
Efference 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 Efference 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 Efference in its N-PORT filings yet. We sweep new filings monthly.