# Transphorm

> Goleta GaN power semiconductor company — UCSB spinout acquired by Renesas (June 2024) after NASDAQ: TGAN run.

## Why it is interesting

Central Coast power-electronics proof point: Transphorm commercialized UCSB gallium nitride (GaN) transistors for high-voltage conversion, went public (TGAN), then sold to Renesas for $339M (Jan 2024 agreement, closed Jun 2024) — the photonics/power cluster beyond AppFolio SaaS.

## Profile

- **Latest funding:** Not publicly disclosed
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** Not publicly disclosed
- **Stage:** other
- **Status:** acquired
- **Industries:** hardware-semiconductors, deep-tech, climate-tech
- **Coverage:** full
- **Last updated:** 2026-07-29

## Key facts

- UCSB spinout — GaN power transistors (Goleta HQ)
- NASDAQ: TGAN before Renesas acquisition
- Renesas deal: $339M (agreement Jan 2024, closed Jun 2024)
- 1,000+ GaN patent portfolio cited in acquisition materials

## Funding history

- Acquisition · $339M · June 2024
  Source: https://www.renesas.com/en/about/newsroom/renesas-acquire-transphorm-expand-its-power-portfolio-gan-technology
- IPO · 2021

## Related articles

- https://venturecapitaltracker.com/santa-barbara-startups-and-vc-firms-2026

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** July 29, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/transphorm