Hayashizaki Wataru
Principal @ 15th Rock
Hayashizaki Wataru is a Principal at 15th Rock
- Total investments:
- 1
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Hayashizaki Wataru invests in
Stages Hayashizaki Wataru invests in
Countries Hayashizaki Wataru invests in
Investment Focus
Industry
- Finance 1 (100%)
- Asset Management 1 (100%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Siiibo
|
Siiibo is a developer of an information platform intended to help private investors and companies to issue and purchase private bonds easily. The company's platform is creating a free, transparent, and fair direct finance that provides opportunities for an advisory to companies, such as support for diversification of funding using smallprivate placement bonds, and for building relationships with investors, enabling the private investors to get familiar with the issuance of corporate bonds. | Venture - Series Unknown / Apr 16, 2025 |
Co-Investors
Aozora Corporate Investment
1 deal together
FINOLAB
1 deal together
Pacific Bays Capital
1 deal together
About 15th Rock
15th Rock Ventures are investing Human Augmentation and IT field to create better future and lead a fulfilling life for the coming era of the 100-year lifespan, and focuses on seed and pre-IPO investments in sectors such as robotics, electronics, AR/VR, brain-machine interface, biotechnology, and IT.
15th Rock Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Hayashizaki Wataru
Principal
|
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4 more contacts available
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FAQ
What does Hayashizaki Wataru invest in?
Hayashizaki Wataru invests primarily in Finance and Asset Management startups, most often at Venture - Series Unknown stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
When did Hayashizaki Wataru last invest?
The most recent investment recorded for Hayashizaki Wataru closed in Apr 2025. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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