How much funding has Hatena raised?

Hatena has raised 5800000 in total funding. Their latest funding round was IPO.

Where is Hatena headquartered?

Hatena is headquartered in Kyoto, Japan. The company has a team of 101-500 people.

Hatena operates in the AI Agents sector. Japanese internet company (TSE Growth-listed, ticker 3930) known for Hatena Blog, Hatena Bookmark, and Mackerel, which launched Hatena Parks — a discussion forum where the AI agent "Mouton" moderates every thread. Hatena Parks embeds an AI agent (Mouton) in every discussion thread to auto-hide inappropriate posts in real time, summarize discussions, and suggest thread titles — combining AI and user-driven moderation (report/mute) for safe, healthy community discussions.

When was Hatena founded?

Hatena was founded in 2001. It is based in Kyoto, Japan.

How much funding has Hatena raised?

Hatena has raised 5800000 in total funding.

Who is the CEO of Hatena?

Yoshiomi Kurisu (栗栖義臣) is the CEO of Hatena. The company was founded in 2001.

Where is Hatena located?

Hatena is headquartered in Kyoto, Japan.

What funding stage is Hatena at?

Hatena is currently at the Public stage.

How many employees does Hatena have?

Hatena has approximately 101-500 employees.

Hatena

Category: AI Agents

Japanese internet company (TSE Growth-listed, ticker 3930) known for Hatena Blog, Hatena Bookmark, and Mackerel, which launched Hatena Parks — a discussion forum where the AI agent "Mouton" moderates every thread. Hatena was founded in 2001. The company is led by Yoshiomi Kurisu (栗栖義臣). Based in Kyoto, Japan. Team size: 101-500. Total funding raised: 5800000. Latest round: IPO.

Founded: 2001
Headquarters: Kyoto, Japan
Team size: 101-500
Total funding: 5800000

Value proposition

Hatena Parks embeds an AI agent (Mouton) in every discussion thread to auto-hide inappropriate posts in real time, summarize discussions, and suggest thread titles — combining AI and user-driven moderation (report/mute) for safe, healthy community discussions.

Products and solutions

Hatena Parks (はてなパークス) — AI-moderated discussion forum launched Aug 2026, Hatena Blog, Hatena Bookmark, Mackerel (server/observability monitoring platform), toitta (AI interview-analysis SaaS), GigaViewer (manga viewer software), RIKU (next-gen novel editor co-developed with KADOKAWA), Hatena CMS (corporate CMS / content marketing)

Unique value

AI-native community moderation: Mouton sits in every thread, auto-hiding inappropriate content in real time while summarizing threads and proposing titles, with human-in-the-loop review by park administrators.

Target customer

Consumers using Hatena's community/blog services; enterprises using Mackerel (IT ops) and toitta (qualitative research/interview analysis); publishers using GigaViewer

Industries served

Internet services / social media, IT operations & observability, content marketing, publishing & manga, qualitative research

Technology advantage

Long-standing Japanese internet infrastructure and community platform expertise (25 years); proprietary AI agent (Mouton) for real-time content moderation and summarization; established user base across Hatena Blog/Bookmark; strong engineering culture (Perl/tech blog, Hatena Engineer Seminar).

How they differentiate

Unlike traditional bulletin boards that rely on human moderators, Hatena Parks places an AI agent (Mouton) in every thread to auto-hide inappropriate posts in real time, summarize discussions, and propose titles — with AI+user collaborative moderation and future multi-language translation planned.

Main competitors

5ch (5ちゃんねる) — legacy Japanese bulletin board, Reddit — global discussion forum, Discord — community chat platform

Key partnerships

KADOKAWA (co-developing RIKU novel editor), Nintendo (historical game-linked service collaboration), Popinsight Company (qualitative data warehouse pilot with toitta), Link-U (Mangaful Base integration for GigaViewer), Core Mix (GigaViewer for Apps)

Notable customers

Shueisha (少年ジャンプ＋, となりのヤングジャンプ — GigaViewer), Kodansha (コミックDAYS, モーニング・ツー, etc.), Shinchosha (くらげバンチ, くじらバンチ), Core Mix / コアミックス (ゼノンプラス), Overlap (コミックガルド＋), Ichijinsha, Shogakukan, Futabasha, and ~18 publishers / 28 services on GigaViewer (as of mid-2026)

Major milestones

Founded July 2001, launched Hatena Bookmark, Hatena Blog, Hatena Diary, IPO on TSE Mothers Feb 24, 2016 (ticker 3930, ¥695M raised), launched Mackerel observability platform, launched toitta AI interview-analysis SaaS, 25th anniversary in 2026, launched Hatena Parks with AI agent Mouton (Aug 2026)

Growth metrics

Registered users: 13.12M (as of Jan 2026); Employees: 217 (FY ended Jul 2025); FY2024 revenue ~¥3.3B; Market cap ~¥2.3B / ~$14.6M (Aug 2026); GigaViewer: 18 publishers / 28 services (Jun 2026)

Market positioning

A veteran Japanese internet company (TSE Growth-listed) differentiating its new Hatena Parks forum through AI-native moderation (Mouton) versus legacy boards like 5ch and global platforms like Reddit/Discord.

Geographic focus

Japan

About Yoshiomi Kurisu (栗栖義臣)

Ex-TIS (major Japanese system integrator) engineer; Osaka University (Nuclear Engineering). Joined Hatena as engineer in 2008, rose through director/producer/service development head roles, became Representative Director & President in August 2014.

Latest news about Hatena

Hatena Launches 'Hatena Parks' Community Platform With AI Agent Mouton in Every Thread

More AI Agents companies

Official website: https://hatena.co.jp/