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Castle Island Ventures — Portfolio, Page 4

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

106
Companies
$1.3B
Total invested
$14.1M
Avg. check
46
Industries
Blockchain 12Cryptocurrency 8Web3 4Bitcoin 4FinTech 4Information Technology 4+40 more
Founder contacts

Verified emails & LinkedIn for founders across this portfolio.

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Verified contacts, updated monthly
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Portfolio companies

Showing 7396 of 106
CAT Labs
December 2024

CAT Labs is working on cybersecurity and digital asset recovery solutions.

Computer · Miami$5.4M Seed
Endstate
October 2024

Endstate offers shoes with digital features, enabling customers to avail of a physical product to wear and create a digital twin.

Fashion · West Roxbury$575K Seed
Yellow Card
October 2024

Yellow Card is the largest and first licensed Stablecoin on/off ramp on the African continent

Bitcoin · Atlanta$33.0M Series C
Delta
October 2024

Delta is a fully integrated solution designed from the ground up to eliminate the trade-off between sovereignty.

Blockchain$11.0M Seed
Andrena
September 2024

Andrena is a developer of an internet distribution platform designed to offer high-speed internet at reduced costs.

Telecommunications · New YorkUndisclosed
SatLayer
August 2024

SatLayer is the economic layer for Bitcoin, making the best asset now fully programmable.

Bitcoin · Singapore$8.0M Pre-Seed
Kintsu
July 2024

Kintsu provides superior liquid staking solutions that boost your staking benefits and flexibility in DeFi ecosystems.

Blockchain · New York$4.0M Seed
Yongsheng Art
July 2024

Yongsheng Art operates a digital collecting platform.

Blockchain · Haikou$2.0M Seed
Sendblocks
July 2024

SendBlocks, helps you cut the time to market from months to weeks and save up to 80% on development efforts.

Blockchain · Giv'atayim$8.2M Seed
Mountain Protocol
June 2024

We believe that everyone deserves access to the "risk-free rate" through a secure, regulated, and enterprise-grade product.

Blockchain · Pembroke$8.0M Series A
Station70
April 2024

Station70 provides scalable and resilient disaster recovery solutions.

Bitcoin · Nashville$5.0M Seed
Manetu
January 2024

Manetu helps organizations harness knowledge in Agentic AI.

Consumer · Ridgewood$814K Seed
Dynamic Labs
December 2023

Dynamic is multi-chain wallet-based authentication and authorization platform.

Software · Palo Alto$13.5M Series A
DUST Identity
December 2023

DUST is a market-leading technology utilizing nanoengineered diamonds to create an unclonable identity layer on any object.

Cyber Security · Newton$40.0M Series B
Attestiv
July 2023

Attestiv is an AI software platform that verifies the authenticity of digital media and data for businesses.

Artificial Intelligence (AI) · Lehi$1.2M Series Unknown
Groma
June 2023

Groma is launching GromaCoin, an on-chain asset backed by real estate.

Blockchain · Boston$1.0M Series Unknown
PYOR
May 2023

PYOR has extensive expertise building in crypto and has played major roles in the creation of several large Indian unicorns.

Blockchain · Bangalore$4.0M Seed
Alkimiya Protocol
January 2023

Alkimiya is a protocol that makes the economics of the blockspace accessible to the broader DeFi universe.

Blockchain · Wilmington$7.2M Series Unknown
Kollider
October 2022

Kollider offer a lightning-fast matching engine with sub-milisecond execution speed.

Bitcoin · Mahé$2.4M Seed
Capsule Social
September 2022

A decentralized social media network for unbiased and open discourse, resistant to takedowns and censorship.

Blockchain · Paris$102K Equity Crowdfunding
Ansible Labs
August 2022

Ansible Labs' platform, Beam, connects blockchains and bank accounts.

Cryptocurrency · San Francisco$7.0M Seed
Halborn
July 2022

Halborn is a cybersecurity company protecting blockchain organizations from cyber attacks.

Blockchain · Miami$90.0M Series A
Hidden Road
July 2022

Hidden Road is the global credit network for institutional investors and provides easy access to both traditional and digital markets.

Financial Services · London$50.0M Series A
Mash
June 2022

Mash is a artificial intelligence company that provides knowledge Agents for Technical B2B Revenue and GTM teams.

Artificial Intelligence (AI) · Toronto$6.0M Seed

Where Castle Island Ventures invests

Blockchain12
Cryptocurrency8
Web34
Bitcoin4
FinTech4
Information Technology4

About Castle Island Ventures's portfolio

How many companies has Castle Island Ventures invested in?

Castle Island Ventures has invested in 106 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Castle Island Ventures invest in?

Castle Island Ventures's top investment sectors include Blockchain, Cryptocurrency, Web3, Bitcoin, FinTech. The firm invests across 46 different industry categories.

What is Castle Island Ventures's largest investment?

Among tracked funding rounds, Halborn received $90.0M in a Series A round. Castle Island Ventures's total known invested capital is $1.3B.

What is the average investment size for Castle Island Ventures?

Castle Island Ventures's average investment size is $14.1M across its portfolio of 106 companies.

What are Castle Island Ventures's most recent investments?

Recent Castle Island Ventures portfolio additions include CAT Labs, Endstate, Yellow Card, Delta, Andrena. These companies were founded in 2020 or later.

Reach the founders behind these 106 companies
Verified emails and LinkedIn profiles, updated monthly.
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