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D3 LLC

D3 LLC

Overview

D3 LLC is a venture capital firm based in Tokyo, Japan that invests in early-stage biotech and digital healthcare start-ups.

Year Founded

2017

Portfolio Companies

8

Investments

D3 LLC investments
CompanyDateStageLead
Grace imaging, Inc.Jul 2023Series ACo-investor
RevolKa Ltd.May 2025Series A ExtensionLead
Cyto-Facto Inc.Apr 2024Series ALead
Shinobi Therapeutics, Inc.Dec 2023Series ACo-investor
Alpha Fusion Inc.Oct 2024Series BCo-investor
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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

Portfolio analytics

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is D3 LLC based?

D3 LLC is headquartered in Tokyo, Japan.

When was D3 LLC founded?

D3 LLC was founded in 2017.

How many portfolio companies does D3 LLC have?

D3 LLC has 8 portfolio companies in Caplight's dataset.

What are some companies in D3 LLC's portfolio?

Portfolio companies visible on Caplight include Grace imaging, Inc., RevolKa Ltd., Cyto-Facto Inc., Shinobi Therapeutics, Inc., Alpha Fusion Inc..

What was D3 LLC's most recent investment shown here?

D3 LLC's most recent investment in this portfolio sample was in RevolKa Ltd. in 2025.

What sectors does D3 LLC focus on?

D3 LLC focuses on Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, Healthcare & Life Sciences, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software.

What company stages does D3 LLC focus on?

D3 LLC typically invests at the Early stage.

Firmographic Details

HeadquartersTokyo
Year Founded2017

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