Neoteny is an early-stage venture capital firm founded by Joi Ito in 1999. Originally based in Tokyo, it has operated through multiple fund vehicles (Neoteny 1, Neoteny Labs, Neoteny 3, Neoteny 4) and now operates from the Boston area, investing in hardware, software, internet, and biotech startups in the US and Canada.
Average disclosed round size is $10.7M (across 10 rounds with reported amounts).
Portfolio
8
Fund Size
—
Top Stage
Series B
Last 12 Mo
0
Team
AM
ADAM MULLINAX
Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
11 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| SSonde Health, Inc. | Series B | $19.3M | Dec 2022 |
| GGuardian Ag | Unknown | $10.5M | Apr 2021 |
 Mitosis | Series B | — | Aug 2019 |
 Hoodline | Series A | $10M | Sep 2018 |
| LlittleBits | Series A | $3.6M | Jun 2015 |
| LlittleBits | Series B | $11.1M | Nov 2013 |
 SAY Media | Unknown | $27M | Jan 2012 |
 Tripvillas | Unknown | $500K | Jan 2012 |
 Viki | Series B | $20M | Oct 2011 |
| Viki | Series A | $4.3M | — |
| LlittleBits | Seed | $850K | — |
Top Co-Investors
500 Global2 shared
Greylock Partners2 shared
Andreessen Horowitz2 shared
Innovation Endeavors1 shared
Dentsu Ventures1 shared
Sound Ventures1 shared
firstminute capital1 shared
Makers Fund1 shared
Novator Partners1 shared
Pledge Ventures1 shared
Northzone1 shared
Lifeline Ventures1 shared
August Capital1 shared
New Enterprise Associates1 shared
Maveron1 shared
First Round Capital1 shared
Correlation Ventures1 shared
other angel investors1 shared
Friends & Family Capital1 shared
Blume Ventures1 shared
Last updated: 8 September 2026