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Castle Island Ventures

Investor type Micro VC


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This summary is composed by our algorithm based on the analysis of the deals. If you think that some of this information is not accurate, please let us know about it and provide any supporting evidences if possible. Such cases will be analyzed by our ML-algorithm and implemented in our database, which will improve this summary.
Total investments 50
Average round size
The average size of a deal this fund participated in
Portfolio companies 36
Rounds per year 12.50
Lead investments 2
Follow on index
How often the fund supports its portfolio startups at next rounds
Key employees 2
Stages of investment
Early Stage Venture

Areas of investment

  • Cryptocurrency
  • FinTech
  • Blockchain
  • Financial Services
  • Software

The leading representative office of defined VC is situated in the Cambridge. The venture was found in North America in United States.

Among the most popular portfolio startups of the fund, we may highlight Flipside Crypto, DUST Identity, ErisX. For fund there is a match between the country of its foundation and the country of its the most frequent investments - United States. We can highlight the next thriving fund investment areas, such as Internet, Cyber Security. Besides, a startup needs to be aged 1 and less years to get the investment from the fund. The fund has exact preference in some founders of portfolio startups.

The top activity for fund was in 2018. The common things for fund are deals in the range of 1 - 5 millions dollars. The fund is constantly included in 2-6 deals per year.

The standard case for the fund is to invest in rounds with 5 partakers. Despite the Castle Island Ventures, startups are often financed by True Ventures, Vestigo Ventures, The Chernin Group. The meaningful sponsors for the fund in investment in the same round are Vestigo Ventures, True Ventures, Digital Currency Group. In the next rounds fund is usually obtained by gumi Cryptos Capital, Vestigo Ventures, Unblock Ventures.

The overall number of key employees were 2.

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These funds often invest in the rounds preceeding the rounds of Castle Island Ventures:
Typical Co-investors
Castle Island Ventures is more likely to invest in rounds together with the following funds:
Funds investing in following rounds
These funds have a tendency to invest in the following rounds after Castle Island Ventures:

Funds with similar focus

Funds from United States
Funds with similar focus located in United States:
Funds with the same geo focus
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Funds doing lead investments
Funds with similar focus acting as lead investors:

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Notable deals

CompanyIndustryRound SizeDateInvestorsLocation


Cyber Security
Network Security
Penetration Testing
$90M19 Jul 2022 Miami, Florida, United States


$5M04 Jul 2022 -

Dynamic Labs

$7M28 Jun 2022 -


Content Creators
Digital Entertainment
$6M07 Jun 2022 Toronto, Ontario, Canada

Try Your Best

$9M02 Jun 2022 -


Web Development
16 May 2022 -


Information Technology
Media and Entertainment
$1M20 Apr 2022 Los Angeles, California, United States

Socket Supply

$3M12 Apr 2022 New York, New York, United States

Try Your Best

$2M10 Mar 2022 -
Two months after its Series A, Pintu gets $35M in new funding led by Lightspeed

– Indonesian crypto assets platform Pintu has closed a $35m Series A+.
– The new round was led by Lightspeed Ventures, with participation from returning investors like Alameda Ventures, Ventures, Castle Island Ventures, Coinbase Ventures, Intudo Ventures and Pantera Capital.
– Pintu is the latest investment app in Southeast Asia to quickly raise a much larger follow-on round as interest in retail investing grows.

ZenLedger Raises $6M in Series A Funding

– ZenLedger is a cryptocurrency tax software and blockchain analytics startup.
– Company raised $6m in Series A funding.
– The round was led by Bloccelerate VC with participation from Mark Cuban’s Radical Ventures, G1 VC, Borderless Capital, 4RC, Centrality, BIGG Digital Assets, CoinGecko, Accelerator Ventures, angel investors Jon Staenberg and Darren Lau, as well as previous investors Vestigo Ventures, Castle Island Ventures, Migration Capital, Blackwater Capital, and Karl Muth.
– The company intends to use the funds to release its cryptocurrency portfolio management solution, to grow its team through new hires in marketing, enterprise sales, customer service, and software engineering, to further advance the product and customer experience.


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