# Koya Arikawa > Koya Arikawa is a seed investor at Hotspring (Tokyo) backing Content and Media and Entertainment. See 7 investments, check sizes, portfolio. Updated Aug 2026. - Type: Angel Investor - Fund: [Hotspring](https://shizune.co/investors/profile/hotspring) - Location: Tokyo, Japan - Total investments: 7 - Last investment: Aug 2019 - Lead investor: 0% - Last updated: Aug 2026 Koya Arikawa is a seed investor at Hotspring in Tokyo focused on Content and Media and Entertainment. Koya Arikawa is the Representative Director and Founder at Hotspring. ## Round sizes | Stage | Round size | | --- | --- | | Seed | $968k–$1.8M | ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Content | 2 | 29% | | Media and Entertainment | 2 | 29% | | SNS | 1 | 14% | | Beauty | 1 | 14% | | Travel | 1 | 14% | 15 industries tracked in total. ### Stage | Stage | Investments | Share | | --- | --- | --- | | Seed | 3 | 43% | | Angel | 1 | 14% | | Series A | 1 | 14% | | Series B | 1 | 14% | | Corporate Round | 1 | 14% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | Tanp | Gracia is an EC business and media business that provides coloring precious moments and enriching human connections. | $69.1M | Series B | Aug 28, 2019 | | | Somewhere | Somewhere is engaged in the travel and transportation business. | $968K | Seed | Mar 08, 2019 | | | Syukatsu Labo | Syukatsu Labo is a leading company that solves various problems in an aging society. | | Angel | Jan 01, 2019 | | | Tanp | Gracia is an EC business and media business that provides coloring precious moments and enriching human connections. | $17M | Series A | Oct 22, 2018 | | | Wolfness | Wolfness provides consulting services to personal gym and advertising agencies. | | Corporate Round | Oct 01, 2018 | | | Spice Japan | Spice is a Software content has been penetrated by smartphones and the development of communication technology. | | Seed | Jan 01, 2016 | | | Jiraffe | jiraffe focusses on Internet service planning, development, and management. | $1.8M | Seed | Jul 23, 2015 | | 7 of 7 investments shown. ## Co-investors - [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 2 deals together - [Dream Incubator](https://shizune.co/investors/profile/dream-incubator) — VC Fund, 2 deals together - [Monex Ventures](https://shizune.co/investors/profile/monex-ventures) — VC Fund, 2 deals together - [BULK HOMME](https://shizune.co/investors/profile/bulk-homme) — VC Fund, 1 deal together - [Crooz](https://shizune.co/investors/profile/crooz) — VC Fund, 1 deal together - [Globis Capital Partners](https://shizune.co/investors/profile/globis-capital-partners) — VC Fund, 1 deal together ## About Hotspring VC Fund 1 contacts available at Hotspring. | Name | Title | Profile | | --- | --- | --- | | Koya Arikawa | Representative Director / Founder | https://shizune.co/investors/profile/koya-arikawa | ## Similar investors ### Similar industry - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund ### Similar stage - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund - [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund ### Similar country - [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund - [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund - [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund ## Featured in investor lists - [Enterprise Angel Investors in Japan](https://shizune.co/investors/enterprise-angel-investors-japan) - [Media (entertainment) Angel Investors in Asia](https://shizune.co/investors/media-entertainment-angel-investors-asia) - [Media (entertainment) Angel Investors in Japan](https://shizune.co/investors/media-entertainment-angel-investors-japan) - [Media (entertainment) Angel Investors in Asia](https://shizune.co/investors/media-entertainment-angel-investors-asia) - [Media (entertainment) Angel Investors in Japan](https://shizune.co/investors/media-entertainment-angel-investors-japan) - [Social Media Angel Investors in Japan](https://shizune.co/investors/social-media-angel-investors-japan) ## FAQ ### What does Koya Arikawa invest in? Koya Arikawa invests primarily in Content, Media and Entertainment and SNS startups, most often at Seed and Angel stage. Most of the 7 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### What is Koya Arikawa's check size? Koya Arikawa typically joins rounds of $968k–$1.8M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Koya Arikawa participates in. ### When did Koya Arikawa last invest? The most recent investment recorded for Koya Arikawa closed in Aug 2019. Shizune tracks 7 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. # About Shizune Shizune.co is an investor database. Core features: - 48,091 startup investors (angels, VCs, accelerators, and others) - Email, phone, LinkedIn (for intros), socials, and other contact data - Updated daily from public funding news - CSV and Excel export The User can access the full database FOR FREE after signing up: shizune.co