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a16z Speedrun is an accelerator program that invests up to $1 million in pre-seed and seed-stage startups at the intersection of technology and entertainment, including AI tools, 3D, gaming, XR, and next-gen entertainment. Its strategy involves a 12-week intensive program providing direct investment, mentorship, and resources to help founders rapidly achieve product-market fit and accelerate growth.
Deal activity increased 200% year-over-year (12 deals in the last 12 months). Their most common stage is seed (44% of deals). Average disclosed round size is $12.4M (across 16 rounds with reported amounts).
Portfolio
16
Fund Size
—
Top Stage
Seed
Last 12 Mo
12
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Smart Bricks | Pre-Seed | $5M | Feb 2026 |
| ZZeroDrift | Pre-Seed | $2M | Feb 2026 |
| TTaxnova | Pre-Seed | $1M | Feb 2026 |
 Sentra | Seed | $5M | Feb 2026 |
 Limy | Seed | $10M | Jan 2026 |
 Flora | Series A | $42M | Jan 2026 |
 Nexxa.ai | Seed | $9M | Jan 2026 |
 Runware | Series A | $50M | Dec 2025 |
| SSweatpals | Seed | $12M | Oct 2025 |
| Runware | Series A | $13M | Sep 2025 |
| Nexxa.ai | Pre-Seed | $4.4M | Jul 2025 |
 Hedra | Series A | $32M | May 2025 |
 Uthana | Seed | $4.3M | Mar 2025 |
| IIntangible | Seed | $4M | Mar 2025 |
 Manifest | Seed | $3.4M | Oct 2024 |
 Echo Chunk | Pre-Seed | $1.4M | Jul 2024 |
Top Co-Investors
Insight Partners2 shared
Begin Capital2 shared
Zero Prime Ventures2 shared
Andreessen Horowitz2 shared
Together Fund1 shared
Precursor Ventures1 shared
Inovia Capital1 shared
IA Capital Group1 shared
Hustle Fund1 shared
Crosslink Capital1 shared
Dawn Capital1 shared
Speedinvest1 shared
Comcast1 shared
S16VC1 shared
Techstars1 shared
South Loop Ventures1 shared
Cornerstone VC1 shared
Harvard Business School Alumni Angels1 shared
Redpoint Ventures1 shared
Last updated: 13 March 2026