CrestecBio Inc.

Private

IbarakiHealthcare & Life Scienceshttps://crestecbio.com/

Last Round

Seed

Dec 9, 2025

Total Funding Raised

$1.6M

Company Overview

CrestecBio Inc. is a biotechnology company that develops polymer-based nanomedicines, specifically redox nanoparticles, for the treatment of oxidative stress-related diseases such as ischemic stroke.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Advanced Materials, Clinical Trials

Business Model

B2B

Customer Profile

Services & Consulting, Revenue Share

AI Layer

Non-AI

Keywords

nanomedicinepolymeric micellesredox nanoparticlesneuroprotectionischemic stroke treatmentdrug discoverybiotech startuppharmaceutical licensingoxidative stresscerebral ischemiadrug developmentbiopharmaclinical trialstherapeutic pipelinedrug delivery systems

Historical Pricing

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CrestecBio Inc. Comps

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CrestecBio Inc. comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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CrestecBio Inc. Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Seed	Dec 9, 2025
Angel	Feb 21, 2023

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Key People

Founding team and executive leadership

Aiki Marushima

CEO

Executive Team

CrestecBio Inc. Investors

Notable investors and investment history

CrestecBio Inc. investors
Investor	Rounds
Newsight Tech Angels	Angel
Japan Science and Technology Agency	Seed

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Market signals

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Jan 7, 2026
Monthly visitors increased 62% MoM, reaching 1.5K.

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CrestecBio Inc. Filings

SEC and related filings with document metadata.

Data table
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CrestecBio Inc. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersIbaraki

Employee Range3

Year Founded2021

Last FundingDec 9, 2025

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