Maelstrom is a venture capital firm, managed by Arthur Hayes' family office, that primarily focuses on early-stage investments in companies building infrastructure for trustless decentralization, particularly within the blockchain and cryptocurrency sectors. Their strategy involves building a long-term portfolio across venture, liquid, private equity, and public markets, with a recent emphasis on acquiring mid-sized crypto firms focused on trading infrastructure and analytics.
33% of their portfolio is in AI. Their most common stage is seed (100% of deals). Average disclosed round size is $6.5M (across 3 rounds with reported amounts).
Portfolio
3
Fund Size
—
Top Stage
Seed
Last 12 Mo
1
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
3 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| NNeuramint | Seed | $5M | Jan 2026 |
 Term Labs, Inc. | Seed | $5.5M | Jul 2024 |
 Aethir | Seed | $9M | Jul 2023 |
Top Co-Investors
Electric1 shared
Delta Blockchain Fund1 shared
Borderless Capital1 shared
Selini1 shared
Symbolic Capital1 shared
Lattice1 shared
HashKey1 shared
Merit Circle1 shared
Mirana Ventures1 shared
Animoca Brands1 shared
Big Brain Holdings1 shared
Tess Ventures1 shared
Last updated: 12 April 2026