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Cornerstone Angels

Investor type Angel Group
Founders Michael Gruber


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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 6
Average round size
The average size of a deal this fund participated in
Portfolio companies 5
Rounds per year 0.40
Lead investments 1
Follow on index
How often the fund supports its portfolio startups at next rounds
Key employees 2
Stages of investment
Early Stage Venture
Late Stage Venture

Areas of investment

  • Mobile
  • E-Commerce
  • Delivery
  • Restaurants
  • Biotechnology

In 2006 was created Cornerstone Angels, which is appeared as VC. The main department of described VC is located in the Northbrook. The company was established in North America in United States.

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 Advertising, E-Commerce. Among the various public portfolio startups of the fund, we may underline Agrivida, Front Range Biosciences, EatStreet Besides, a startup requires to be at the age of 4-5 years to receive the investment from the fund. The fund has exact preference in a number of founders of portfolio startups.

Considering the real fund results, this VC is 20 percentage points more often commits exit comparing to other organizations. The important activity for fund was in 2014. Deals in the range of 5 - 10 millions dollars are the general things for fund. The fund is constantly included in less than 2 investment rounds annually.

The fund was created by Michael Gruber.

The typical case for the fund is to invest in rounds with 5-6 participants. Despite the Cornerstone Angels, startups are often financed by Sand Hill Angels, Salveo Capital, New York Angels. The meaningful sponsors for the fund in investment in the same round are Independence Equity, Great Oaks Venture Capital, WelCan Capital. In the next rounds fund is usually obtained by State of Wisconsin Investment Board, Northgate Capital, Middleland Capital.

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Related Funds

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Typical Co-investors
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Funds with similar focus

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

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Notable deals

CompanyIndustryRound SizeDateInvestorsLocation

Front Range Biosciences

Life Science
$10M04 Oct 2018 Boulder, Colorado, United States

Brand Marketing
Travel Accommodations
Vacation Rental
$2M20 Nov 2014 Chicago, Illinois, United States


$10M01 Feb 2014 Madison, Wisconsin, United States


$2M26 Feb 2013 Madison, Wisconsin, United States

Intellihot Green Technologies

03 Oct 2012 Illinois, United States


Biomass Energy
$15M12 Sep 2012 Cambridge, Massachusetts, United States


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