What companies does HiJoJo Partners invest in?

HiJoJo Partners has 26 recorded portfolio companies, including SpaceX, OpenAI, Stripe.

What is HiJoJo Partners's AUM?

HiJoJo Partners manages approximately $300 in assets.

Is HiJoJo Partners actively investing?

HiJoJo Partners's most recent recorded investment was in Apr 2024, with 1 investments in the last 12 months.

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HiJoJo Partners key facts

HiJoJo Partners is a venture capital firm based in Tokyo, Japan with 26 tracked portfolio companies.
Notable positions include SpaceX, OpenAI, Stripe.
PrivateMarketView records 2 deal participations by HiJoJo Partners.
HiJoJo Partners’s most recent recorded investment was in Apr 2024, one of 1 in the last 12 months.
HiJoJo Partners has 1 fund on record.
The team roster lists 4 people.

Investment activity

HiJoJo Partners joined 1 recorded round in the last two years, in line with the 1 in the two years before. By year: 1 in 2025 and 1 in 2024. Most recently: OpenAI (Series F, Mar 2025) and Stripe (later-stage round, Apr 2024).

HiJoJo Partners portfolio at a glance

26 portfolio companies are on record for HiJoJo Partners, including SpaceX, OpenAI and Stripe.

21 of the 26 carry a recorded valuation and 4 have recorded secondary-market trades, the names a secondary buyer or seller can price.

HiJoJo Partners funds

1 fund is on record for HiJoJo Partners. The most recent is HiJoJo Fund 18 (HiJoJo Partners).

HiJoJo Partners team

4 people are on record at HiJoJo Partners: 2 principals, 1 analyst and 1 other. Senior names include Norifumi Akiyama (Co-Chief Executive Officer), Riko Sekiya (Director) and Hannah Kayama (Analyst). 4 of them have a verified direct contact on file.

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Portfolio

26 companies · priced for members

Company	Industry	Valuation	First invested	Role
SpaceX	Aerospace and Defense	▮	▮	▮
OpenAI	Software Development Applications	▮	▮	▮
Stripe	Other Financial Services	▮	▮	▮
+ 23 more companies · all 26, priced and dated or a free account shows the top 10 names — no card The whole book · Pro $99 a month Membership and data by Private Market View

HiJoJo Partners recent deals

2 recorded

Mar 2025OpenAISeries F▮

Apr 2024StripeLater Stage VC▮

amounts and lead flags are a member featureUnlock all 2 deals

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Funds

1 recorded

HiJoJo Fund 18 (HiJoJo Partners)—

Team

4 people on record — 4 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

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Frequently asked about HiJoJo Partners

What companies does HiJoJo Partners invest in?: HiJoJo Partners has 26 recorded portfolio companies, including SpaceX, OpenAI, Stripe.
What is HiJoJo Partners's AUM?: HiJoJo Partners manages approximately $300 in assets.
Is HiJoJo Partners actively investing?: HiJoJo Partners's most recent recorded investment was in Apr 2024, with 1 investments in the last 12 months.