A* is an early-stage venture capital firm co-founded by Kevin Hartz and Bennett Siegel, guiding outlier founders from idea to IPO. The firm takes a high-conviction, ownership-driven approach to seed investing, backing technical founders with concentrated portfolios.
Deal activity increased 180% year-over-year (14 deals in the last 12 months). Average disclosed round size is $100.4M (across 54 rounds with reported amounts).
Portfolio
40
Fund Size
$450M
Top Stage
Seed
Last 12 Mo
14
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
56 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Stack | Seed | $21M | Sep 2026 |
 CivilGrid | Series A | $26M | Aug 2026 |
 Sail | Seed | $80M | Jun 2026 |
| Sail | Series A | $80M | Jun 2026 |
 Golden Child | Seed | $37M | Apr 2026 |
| Golden Child | Series A | $37M | Apr 2026 |
 Edra | Series A | $30M | Mar 2026 |
 Simile | Series C | $100M | Feb 2026 |
 Resolve Ai | Series A | $125M | Feb 2026 |
 Decagon | Series D | — | Jan 2026 |
 Decagon | Unknown | $131M | Jan 2026 |
 Sail Research | Seed | $80M | Jan 2026 |
| Sail Research | Series A | $80M | Jan 2026 |
 Simile | Series B | $200M | Jan 2026 |
| Simile | Series B | $200M | Jan 2026 |
 Aaru | Series A | $50M | Dec 2025 |
 Vulcan Technologies, Inc | Seed | $10.9M | Oct 2025 |
 Vulcan Technologies | Seed | $10.9M | Oct 2025 |
 Assort Health | Series B | $76M | Sep 2025 |
 Obviant | Series A | $7.1M | Jun 2025 |
 Landbase | Series A | $30M | Jun 2025 |
 Multiply | Series A | $23.5M | Mar 2025 |
 Aligned Marketplace | Seed | $3M | Jan 2025 |
| Aaru | Series A | $50M | Jan 2025 |
 ai.work | Seed | $10M | Jan 2025 |
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Top Co-Investors
General Catalyst10 shared
Liquid 2 Ventures9 shared
Redpoint Ventures9 shared
SV Angel9 shared
Index Ventures8 shared
Abstract Ventures7 shared
Bain Capital Ventures6 shared
Coatue Management LLC6 shared
Greenoaks Capital6 shared
Kleiner Perkins6 shared
8VC6 shared
Sequoia Capital6 shared
Lightspeed Venture Partners5 shared
Definition Capital5 shared
GG14 shared
Founders Fund4 shared
Thrive Capital4 shared
Andreessen Horowitz4 shared
Accel4 shared
Factory4 shared
Last updated: 7 October 2026