Riot Ventures is a Los Angeles-based multi-stage venture capital firm founded in 2017, investing in deep technology companies that modernize critical industries including aerospace, defense, energy, manufacturing, and robotics. The firm writes checks ranging from $500K at pre-seed up to $100M at growth stage.
Deal activity increased 33% year-over-year (4 deals in the last 12 months). Average disclosed round size is $122.9M (across 36 rounds with reported amounts).
Portfolio
26
Fund Size
$152M
Top Stage
Series A
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
41 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series D | — | Oct 2026 | |
| Series C | $100M | Oct 2026 | |
| Seed | $1B | Apr 2026 | |
| Series G | — | Mar 2026 | |
| Series A | $17M | Feb 2026 | |
| Series C | $200M | Feb 2026 | |
| Series A | $54M | Jan 2026 | |
| Series A | $20M | Jan 2026 | |
| Unknown | $205M | Jan 2026 | |
| Series A | $50M | Aug 2025 | |
| Series B | — | May 2025 | |
| Series B | $38M | Apr 2025 | |
| Series A | $50M | Jan 2025 | |
| Series C | $43M | Jan 2025 | |
| Series C | $40M | Jun 2024 | |
| Seed | $7.5M | Jan 2024 | |
| Unknown | $20.6M | Jan 2024 | |
| Pre-Seed | $7.5M | Jan 2024 | |
| Series D | — | Dec 2023 | |
| Seed | $7M | Sep 2023 | |
| Series A | $15M | May 2023 | |
| Series A | $17M | Apr 2023 | |
| Seed | $7M | Jan 2023 | |
| Series B | $100M | Jan 2023 | |
| Series A | $17M | Jul 2022 |
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Top Co-Investors
Root Ventures9 shared
Eclipse9 shared
Atreides Management6 shared
Founders Fund5 shared
Anthos Capital4 shared
Congruent Ventures4 shared
RRE Ventures4 shared
Eniac Ventures4 shared
ACME Capital4 shared
Menlo Ventures4 shared
Accel4 shared
645 Ventures4 shared
Narya4 shared
Snowpoint Ventures4 shared
Impatient Ventures3 shared
GV3 shared
New Era Capital Partners3 shared
Marlinspike3 shared
HOF Capital3 shared
Last updated: 20 October 2026
