a16z speedrun is Andreessen Horowitz's startup accelerator program, launched in 2023. It invests up to $1M per company and provides founders with operational support, mentorship, and access to a16z's network across technology and entertainment.
Deal activity increased 130% year-over-year (23 deals in the last 12 months). Their most common stage is seed (63% of deals). Average disclosed round size is $9.9M (across 71 rounds with reported amounts).
Portfolio
67
Fund Size
—
Top Stage
Seed
Last 12 Mo
29
Team
Andrew Lee
Partner at a16z speedrun
Emily Bennett
Investing partner for a16z speedrun
Joshua Lu
GM + Partner, a16z speedrun
Fareed Mosavat
Investing in 0-1 companies at a16z speedrun
Kenan Saleh
Early-stage investing
Marcus Segal
Investor at a16z speedrun
Troy Kirwin
Investor
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Advocate | Seed | $18M | Aug 2026 |
 Idilio | Seed | $5.5M | Jun 2026 |
 Acceler8 | Unknown | $6M | Jun 2026 |
 Fearn | Seed | $5.5M | Jun 2026 |
 Orbital Inc. | Pre-Seed | $5M | Jun 2026 |
 Spekter Games | Pre-Seed | $5M | Jun 2026 |
| ZZeroDrift | Seed | $10M | Jun 2026 |
 Clouted | Seed | $7M | May 2026 |
 Dex | Seed | $5.3M | Apr 2026 |
 Taya | Seed | $5M | Mar 2026 |
 Anchr | Seed | $5.8M | Mar 2026 |
 Smart Bricks | Pre-Seed | $5M | Feb 2026 |
 Zerodrift | Pre-Seed | — | Feb 2026 |
 Sentra | Seed | $5M | Feb 2026 |
 Taxnova | Pre-Seed | $1M | Feb 2026 |
 Limy AI | Series A | $10M | Jan 2026 |
 Nexxa.ai | Seed | $9M | Jan 2026 |
 flora | Series A | $42M | Jan 2026 |
| Idilio | Seed | $5.5M | Jan 2026 |
 Sans Strings Studio | Seed | $5.5M | Jan 2026 |
| Advocate | Seed | $18M | Jan 2026 |
 Human Computer | Seed | $5.7M | Jan 2026 |
 Clair Health | Seed | $11M | Jan 2026 |
 Flora | Series A | $42M | Jan 2026 |
 Antihero Studios | Seed | $4.5M | Jan 2026 |
Top Co-Investors
Last updated: 9 September 2026