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43 Best & Most Active Stamford Private Equity Firms

Private Equity Firms play an important role in the startup ecosystem. We have curated a list of the top Stamford Private Equity Firms. We have tried to select a variety of different types of investors across a variety of niches.

This list is designed to show off the investors with exceptional track records, industry experience and a unique understanding of the ecosystem.

Top Stamford Private Equity Firms

Data sourced from Crunchbase and SemRush.


Stonehenge Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Debt, Early Stage Venture, Seed

Stonehenge Capital is a national specialty finance company specializing in private equity, tax credit, and structured finance.


Atlantic Street Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Atlantic Street Capital Management, LLC is a private equity firm specializing in lower middle market companies in buyouts,


Lumis Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Lumis invests and partners with businesses in solving complex problems of global relevance.


Olympus Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Olympus Partners is a private equity and venture capital firm specializing in financing late venture, expansion capital, later stage.


Positive Sum

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm, Venture Capital

Investment Stage: Early Stage Venture, Late Stage Venture, Seed

Positive Sum is a venture capital and private equity firm that helps teams build extraordinary businesses.


Tullis Health Investors

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Debt, Early Stage Venture, Late Stage Venture

Tullis Health Investors is a private equity group that invests primarily in the healthcare sector.


HealthCare Royalty Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Debt, Private Equity

HealthCare Royalty Partners is a global investment firm that partners with healthcare companies, non-profit institutions and inventors.


Cornerstone Equity Investors

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Cornerstone’s reputation is based on the integrity and experience of its professionals.


Silverleaf Venture Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm, Venture Capital

Investment Stage:

Silverleaf Venture Partners is a private equity investment manager that invests in the cannabis industry.


Shelter Growth Capital Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Shelter Growth Capital Partners is focuses on sourcing and creating investments


Developing World Markets

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Developing World Markets is an asset manager and investment bank dedicated to making socially positive investments


Education Growth Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Education Growth Partners is a private equity firm specialized in providing growth capital to high potential education companies.


Brookside Equity Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Brookside Equity Partners makes private equity investments in middle-market companies.


Clearview Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Specializing in the acquisition and recapitalization of North American companies with operating profits of $3 – 15 million


FLAG Capital Management

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

FLAG was founded in 1994 to create investment solutions for investors lacking scale and access to the preeminent venture capital fund


Newbury Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm, Venture Capital

Investment Stage: Debt, Early Stage Venture, Private Equity

With experience spanning more than 150 secondary transactions and nearly 20 years as secondary specialists, Newbury Partners works with


JAT Capital Management

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

JAT Capital Management, L.P. is a multi-billion dollar global equity investment firm founded by John Thaler in 2007.


GarMark Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

GarMark Partners specializes in debt and equity securities.


Longmeadow Capital Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Longmeadow Capital Partners is a venture capital and private equity firm specializing in investments in growth capital, management buyouts.


Pacific Advantage Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Debt, Early Stage Venture, Private Equity

Pacific Advantage Capital caters to growth companies with early stage venture, private equity, and debt financing investments.


Chilton Investment

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Late Stage Venture, Private Equity

Chilton Investment makes opportunistic long-term investments.


Ardsley Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity, Venture

Ardsley Partners, founded in 1987, is a Stamford, Connecticut-based asset management firm seeking to maximize returns over time through


CF Capital Management

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm, Venture Capital

Investment Stage:

CF Capital Management is a diversified global asset management and consulting firm specialized in private equity, real estate, agriculture.


Brookside Group

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Debt

The Brookside Group invests in private equity, mezzanine, private real estate and public markets asset classes.


Pivoton Capital LLC

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Pivoton Capital is a private investment firm formed to identify, acquire and operate an existing private company based in the U.S.


Saunders Karp & Megrue

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Saunders Karp & Megrue is a private equity firm focused on transactions in partnership with the management teams


AmCap

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

AmCap is a vertically integrated private equity real estate firm that invests in grocery-anchored and necessity retail properties.


RockRidge Capital Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Late Stage Venture, Private Equity

Rockridge Capital Partners, Inc. is a private equity.


Constitution Management

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Constitution Management focuses on the acquisition, development, and operation of multifamily real estate assets and credit.


Longroad Asset Management

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Longroad Asset Management, LLC is a private equity firm specializing in investments in distressed and special situations.


Hamilton Robinson Capital Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Hamilton Robinson Capital Partners is a private equity firm specializing in direct, secondary direct, and secondary indirect investments.


DKR Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

DKR Capital is an employee-owned hedge fund that provides public equity and fixed income to diverse companies.


Karis Capital Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Late Stage Venture, Private Equity

Karis Capital Partners is a provider of advisory and capital raising services across the alternative asset spectrum.


Spectrum Assets

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Spectrum Assets is a company that offers asset management services.


The Ashforth Company

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

The Ashforth Company is a real estate company that provides property management and construction services.


Avesi Partners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Avesi Partners is a private equity firm based in Stamford, Connecticut, specializing in healthcare and business services.


Archview Investment Group LP

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Archview Investment Group LP is an investment adviser registered under the Investment Advisers Act of 1940, as amended.


Bpmpartners

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Guiding Finance to Performance Management Success


Onelink Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Onelink Capital is provides investment management services.


Excelsior Private Equity Fund

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Specializes in later-stage and middle-market investments.


Grumman Hill Group

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage: Private Equity

Grumman Hill Group is a company that specializes in capital management services.


Aston Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Aston Capital is a private equity firm focused on investing in growth areas, primarily technology and government based markets.


Greenwich Creek Capital

Crunchbase | Website | Facebook | Linkedin | Twitter

Investor Type: Private Equity Firm

Investment Stage:

Greenwich Creek Capital is an investment advisor helping the next generation understand the principles of managing financial assets.

Written by Mark Kendall

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