15th Rock
VC fund specializing in Human Augmentation, investing in technologies to extend human capabilities via hardware and software at seed and pre-IPO stages.
Yokohama, Japan · 14+ investments · 33 portfolio companies
- Headquarters
- Yokohama, Japan
- Founded
- 2019
- Website
- 15th-rock.com
- Portfolio Companies
- 33
- Total Investments
- 14
- Last Investment
- Aug 2025
- Geographic Focus
- Japan, Asia, United States, Europe
Investment Thesis
15th Rock is a Venture Capital firm based in Yokohama, Japan. It has made 14 investments, including stu, Ejenta and Paradromics, Inc.. Focus areas include AR/VR and Brain-Machine Interface.
Portfolio33
Co-investors24
Sign up to view co-investors
24 co-investors across 34 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×18 · Accelerator ×2 · Private Equity ×2 · 25 shared rounds
Investment History
Sign up to view investment history
Create a free account with 25 free credits every month, no card needed, to unlock deal history, amounts, and round details.
Your firm? Embed this profile
Add the live badge to your site — it stays current as your portfolio data updates.
<a href="https://indexed.vc/investors/15th-rock"><img src="https://indexed.vc/api/badge/investor/15th-rock" alt="15th Rock on Indexed.vc" width="260" height="76" /></a>