Silicon Catalyst Angels
Santa Clara, California, United StatesFounded 2019
Silicon Catalyst Angels is a dedicated angel investment group established in July 2019, spawned from Silicon Catalyst — the world's only incubator focused exclusively on accelerating solutions in silicon. The group invests in early-stage semiconductor and hardware startups.
43% of their portfolio is in Hardware & Semiconductors. Their most common stage is seed (43% of deals). Average disclosed round size is $29.4M (across 13 rounds with reported amounts).
Portfolio
11
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
14 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Salience Labs | Seed | — | Sep 2026 |
 Quadric | Series C | $30M | Jul 2026 |
 Spark Microsystems | Series B | $17M | Mar 2026 |
 Encharge | Series B | $100M | Feb 2025 |
 Encharge AI | Series B | $100M | Feb 2025 |
 Neurophos | Seed | $7.2M | Dec 2023 |
 Lemurian Labs | Seed | $9M | Oct 2023 |
| Neurophos | Seed | $7.2M | Jan 2023 |
 Owl Autonomous Imaging | Series A | $15M | Jan 2022 |
| Salience Labs | Seed | $11.5M | Jan 2022 |
 Ayar Labs | Series B | $35M | Jan 2020 |
 Phosio | Seed | $4M | — |
| Encharge | Series A | $21.7M | — |
 SigmaSense | Series B | $24M | — |
Top Co-Investors
Silicon Catalyst Ventures4 shared
Tiger Global Management, LLC3 shared
AlleyCorp3 shared
Anzu Partners3 shared
Scout Ventures2 shared
E14 Fund2 shared
Alumni Ventures2 shared
Gates Frontier2 shared
MetaVC Partners2 shared
Oxford Investment Consultants2 shared
Oxford Science Enterprises2 shared
Cambridge Innovation Capital2 shared
Deeptech Labs2 shared
Sierra Ventures1 shared
MESH1 shared
Maverick Silicon1 shared
SIP Global Partners1 shared
Zero Infinity Partners1 shared
Last updated: 27 September 2026