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Castrum Istanbul

Castrum Istanbul

Overview

Castrum Istanbul is a venture capital firm based in Istanbul, Turkey that invests in early-stage technology companies with a focus on fintech, blockchain, and artificial intelligence.

Year Founded

2021

Portfolio Companies

2

Investments

Castrum Istanbul investments
CompanyDateStageLead
SparkiApr 2026SeedLead
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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.

Premium
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 Castrum Istanbul based?

Castrum Istanbul is headquartered in Turkey.

When was Castrum Istanbul founded?

Castrum Istanbul was founded in 2021.

How many portfolio companies does Castrum Istanbul have?

Castrum Istanbul has 2 portfolio companies in Caplight's dataset.

What are some companies in Castrum Istanbul's portfolio?

Portfolio companies visible on Caplight include Sparki.

What was Castrum Istanbul's most recent investment shown here?

Castrum Istanbul's most recent investment in this portfolio sample was in Sparki in 2026.

What sectors does Castrum Istanbul focus on?

Castrum Istanbul focuses on AI, Data & Cloud Infrastructure, Crypto & Web3, FinTech, Enterprise Software.

What company stages does Castrum Istanbul focus on?

Stage focus information for Castrum Istanbul is not publicly available.

Firmographic Details

HeadquartersTurkey
Year Founded2021

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