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Saisei Bioventures L.P. | RoundOS

01 · Free data roomBuild, share and track important documents.

Data room analytics Document Analytics Pitch Deck Tracking Secure sharing Permissions NDA & agreements Watermarking Versions Branding

View all Data Room features →

02 · AI Fundraising CRMRun the work between investor meetings.

Today & next moves Follow-up Investor research Investor CRM Investor updates Imports & sources

View all Operator features →

See it workingOpen a live roomWalk a real RoundOS room.

Pricing Security

Deal rooms

Startups Venture capital M&A data room Investor relations

Beyond fundraising

Sales deals Board documents Due diligence Real estate

Fundraising

Fundraising hub Pre-seed Seed Series A

Learn

Blog Funding News Customer stories Investor room template

Compare

All alternatives Best free data rooms Best DocSend alternatives Digify alternative iDeals alternative

Free tools & templates

Calculators and fundraising tools. No signup.

SAFE, dilution, runway, pipeline coverage, investor fit.

Sign inExploreData Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck TrackingData Room featuresData room analytics Secure sharing Permissions NDA & agreements Watermarking Versions BrandingUse casesFundraising hub Startups Venture capital M&A data room Investor relations Sales deals Board documents Due diligence Real estate Pre-seed Seed Series AOperatorToday & next moves Follow-up Investor research Investor CRM Investor updates Imports & sourcesMoreCustomer stories All alternatives Best free data rooms Investor room template Free tools Blog Funding News Integrations

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Funding/Investors/Saisei Bioventures L.P.

SB

Saisei Bioventures L.P.

Activity from announced rounds

View all activity

All recorded activity

Rounds participated in: 1
Confirmed lead rounds: 0
New companies: 1
Funding in participating rounds: $13.8M

By stage

Undisclosed1

By primary sector

Biotech1

By country

Japan1

Rounds

1 in all activity

Sep 24

United Immunity

A biotechnology company developing nanoparticle delivery systems and immunotherapies that target macrophages and dendritic cells in diseased tissue.

¥2.2BPrivate financing

Participant

1–1 of 1

Most frequent co-investors

Aozora HYBRID Fund III1 shared Fujita TT Impact Fund I1 shared ITOCHU Corporation1 shared Joyo Bank, Ltd.1 shared Kobe University Fund I1 shared Mitsubishi UFJ Life Sciences Fund II1 shared Miyako Kyoto University Innovation Fund III1 shared Mizuho Life Sciences Fund I1 shared NVCC Fund 101 shared Ono Venture Investment, Inc.1 shared

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RoundOS

A free data room for modern deals, with an AI operator that runs the fundraise.

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02 · Data Room

Data room analytics Secure document sharing Data room permissions NDA & agreements Dynamic watermarking Document versions Custom branding

03 · Operator

Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

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Startup data room VC and LP data room M&A data room

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Investor relations

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Real estate data room

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All free tools SAFE calculator Dilution calculator Runway calculator Pipeline coverage Investor fit checker Follow-up generator Round leak audit

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