Ayato Kobayashi works as an Investor at Sunstone Partners. The firm's known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Sunstone Partners, whose known portfolio counts 10 companies
- 123 Baby Box
- OSF Digital
- Cardior Pharmaceuticals
- EverService
- MeetingPlay
- NetSPI
- Progeny Health
- Vcheck Global
- Accuhealth Technologies
- KMS Technology
Investor Profile
Founders in the listed sectors Commerce, Consumer, Healthcare and SaaS, and focus areas CRM Systems, Children, Cloud Infrastructure and Commerce Enablement fall inside that listing.
Sunstone Partners appears in Growth, Late-Stage and Pre-Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Ayato Kobayashi matches their raise.
Colleagues at Sunstone Partners
Gustavo Alberelli
Co-Founder & Managing Partner
San Mateo, United States
Scott Hammack
Operating Partner
Naples, United States
John Moragne
Co-Founder & Managing Director
Palo Alto, United States
Manasi Patwa
Investor
San Francisco, United States
Julian Hinderling
Partner
San Francisco, United States
Arneek Multani
Co-Founder & Managing Partner
San Mateo, United States
Mike Biggee
Co-Founder and Managing Partner
San Francisco, United States
Charles Culp
Principal
San Francisco, United States
Ankur Rathi
Partner
San Francisco, United States
Arturo Tafolla
Vice President
San Francisco, United States
Matt Londa
Vice President
United States
Patrick Wheeler
Member/Operating Partner
Cocoa Beach, United States
Chris Caguin
Vice President
San Francisco, United States
Prachi Kanabar
Principal
Burlingame, United States
Frequently asked questions
Who is Ayato Kobayashi?
Ayato Kobayashi is a private equity investor based in San Francisco, California, United States, listed as Investor at Sunstone Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Ayato Kobayashi personally.
What does Ayato Kobayashi invest in?
Listed sectors include Commerce, Consumer, Healthcare and SaaS; listed focus areas include CRM Systems, Children, Cloud Infrastructure and Commerce Enablement. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Ayato Kobayashi invest at?
Sunstone Partners appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Ayato Kobayashi is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Ayato Kobayashi listed at?
Ayato Kobayashi is listed as Investor at Sunstone Partners. 14 other people in the database share a firm with Ayato Kobayashi.
How do I contact Ayato Kobayashi?
A LinkedIn page is on file for Ayato Kobayashi. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal