Top 7 Health Care VC and Growth Equity Firms in Connecticut (2026)
The top health care VC firms in Connecticut are Oak Investment Partners, Oak HC/FT, Cigna Ventures, Galen Partners, CHL Medical Partners, Canaan Partners, and the state-backed Connecticut Innovations. Most are based in Fairfield County towns such as Greenwich, Stamford, and Westport, and Cigna Ventures is in Bloomfield. The money is out there: U.S. digital health startups raised $14.2 billion across 482 deals in 2025, according to Rock Health.
Finding venture capital in Connecticut can be challenging for healthcare entrepreneurs, so we compiled the firms below, with their focus, stage, and notable investments. If you want individual investors instead, see our list of top angel investors in Connecticut.
Top 7 Venture Capital and Growth Equity Firms in Connecticut Funding Healthcare Startups
Investor Name | Focused Sectors | Funding Stages | Notable Investments | Connecticut Location |
|---|---|---|---|---|
Oak Investment Partners | Healthcare, information technology, consumer, financial services technology, clean energy | Multi-stage | One Medical, athenahealth, Castlight Health | Connecticut |
Oak HC/FT | Healthcare information and services, fintech | Seed to growth | Core Informatics (acquired by Thermo Fisher Scientific in 2017) | Greenwich |
Cigna Ventures | Insights and analytics, digital health and retail, care delivery and management | Early and growth stage | Omada Health, MDLIVE, Prognos | Bloomfield |
Galen Partners | Healthcare IT, medical devices, specialty pharmaceuticals | Growth equity | Sharecare, Tactile Medical, Quotient Biodiagnostics | Stamford |
CHL Medical Partners | Biotechnology, molecular diagnostics, medical devices, healthcare services | Start-up and early stage | CareWell, Millennium Pharmacy Systems, CareConnectMD | Stamford |
Canaan Partners | Technology and healthcare (therapeutics, medical devices, diagnostics) | Seed and early stage | Arvinas, CytomX, Chimerix, Liquidia | Westport |
Connecticut Innovations | Bioscience, healthcare IT, other technology | Early stage | Arvinas, Rallybio, IsoPlexis | Statewide (state-backed) |
1. Oak Investment Partners
Website: Oak Investment Partners
Focused Sectors: Healthcare, information technology, consumer, financial services technology, clean energy
Funding Stages: Multi-stage
Location: Connecticut
Notable Investments: One Medical, athenahealth, Castlight Health
Founded in 1978, Oak Investment Partners is a multi-stage venture capital firm that has funded healthcare companies including One Medical, athenahealth, and Castlight Health. It has historically targeted investments of $10 million to $150 million. Oak's healthcare and fintech team launched a separate firm, Oak HC/FT, in 2014 (see below).
2. Oak HC/FT
Website: Oak HC/FT
Focused Sectors: Healthcare information and services, fintech
Funding Stages: Seed to growth
Location: Greenwich
Notable Investments: Core Informatics (acquired by Thermo Fisher Scientific in 2017)
Launched in 2014 by the healthcare and fintech team at Oak Investment Partners, Oak HC/FT is a venture and growth equity firm that invests only in healthcare and fintech. It is headquartered in Greenwich, and its third fund raised about $800 million in 2019. It invests nationally, and as of that 2019 announcement none of its listed portfolio companies were based in Connecticut. A past exit with a Connecticut tie is Branford-based Core Informatics.
3. Cigna Ventures
Website: Cigna Ventures
Focused Sectors: Insights and analytics, digital health and retail, care delivery and management
Funding Stages: Early and growth stage
Location: Bloomfield
Notable Investments: Omada Health, MDLIVE, Prognos, Contessa Health, Cricket Health
Launched in 2018, Cigna Ventures is the corporate venture fund of Cigna, based in Bloomfield, and it now operates as The Cigna Group Ventures. It launched with a $250 million fund to invest in startups and growth-stage companies across insights and analytics, digital health and retail, and care delivery and management.
4. Galen Partners
Website: Galen Partners
Focused Sectors: Healthcare IT, medical devices, specialty pharmaceuticals
Funding Stages: Growth equity
Location: Stamford
Notable Investments: Sharecare, Tactile Medical, Quotient Biodiagnostics
Founded in 1990 and based in Stamford, Galen Partners is a growth equity firm that invests only in healthcare. It focuses on healthcare IT, medical devices, and specialty pharmaceuticals, and it typically puts $10 million to $30 million into companies that already have revenue. Galen does not invest at the seed stage.
5. CHL Medical Partners
Website: CHL Medical Partners
Focused Sectors: Biotechnology, molecular diagnostics, medical devices, healthcare services
Funding Stages: Start-up and early stage
Location: Stamford
Notable Investments: CareWell, Millennium Pharmacy Systems, CareConnectMD
Based in Stamford, CHL Medical Partners is a healthcare venture firm that invests principally in start-up and early-stage biotechnology, medical device, and healthcare services companies. It also backs molecular diagnostics companies. CB Insights lists a May 2022 growth equity round in CareConnectMD as its latest deal.
6. Canaan Partners
Website: Canaan Partners
Focused Sectors: Technology and healthcare (therapeutics, medical devices, diagnostics)
Funding Stages: Seed and early stage
Location: Westport
Notable Investments: Arvinas, CytomX, Chimerix, Liquidia
Canaan Partners is a venture firm that backs early-stage and seed-stage startups in technology and healthcare, and it has a Connecticut office in Westport. Founded in 1987, its healthcare investments include Arvinas, CytomX, Chimerix, and Liquidia, spanning therapeutics, medical devices, and diagnostics.
7. Connecticut Innovations
Website: Connecticut Innovations
Focused Sectors: Bioscience, healthcare IT, other technology
Funding Stages: Early stage
Location: Connecticut (state-backed)
Notable Investments: Arvinas, Rallybio, IsoPlexis
Connecticut Innovations (CI) is the state's strategic venture capital arm, providing financing and support to Connecticut's innovative, growing companies. It invests across bioscience, healthcare IT, and other technology sectors, including through the Connecticut Bioscience Innovation Fund. Because CI is state-backed, it focuses on Connecticut-based companies.
How To Get Connected With Investors in Connecticut? (5 Ways)
Building connections with investors can be challenging, especially for new founders. Here are some tried-and-true methods to get you started:
Leverage Your Network: Start by reaching out to advisors, mentors, or friends who can introduce you to investors. Warm introductions hold more weight than cold outreach.
Attend Industry Events: Conferences, pitch nights, and investor forums are excellent networking opportunities. Always have business cards on hand and ask investors for feedback on your startup.
Online Platforms: Use platforms like AngelMatch, which hosts 125,000+ investors, to connect with investors who match your startup goals.
Targeted Research: Identify investors with a history of funding your industry, then connect with them through events or LinkedIn. Tailored outreach is more effective than a broad approach.
Build a Social Media Presence: Investors increasingly reach out to startups with strong social media profiles. By sharing industry insights and engaging with your audience, you'll increase your visibility among potential investors.
Wrap-Up
Securing investment is crucial, so go in prepared. Create a compelling pitch deck, show investors why your startup is a strong opportunity, and be prepared for their tough questions. Confidently presenting your idea can make all the difference in capturing investor interest and securing funding for your business.
Frequently Asked Questions About Health Care VC Firms in Connecticut
Which VC firms invest in health care startups in Connecticut?
Oak HC/FT in Greenwich, Canaan Partners in Westport, Cigna Ventures in Bloomfield, and Galen Partners and CHL Medical Partners in Stamford all fund health care companies. So does Connecticut Innovations, the state's venture arm. Oak Investment Partners, the older multi-stage firm, is also Connecticut-based.
Which Connecticut health care investors fund seed and early-stage startups?
Canaan Partners backs seed and early-stage startups, and CHL Medical Partners focuses on start-up and early-stage health care companies. Connecticut Innovations supports early-stage Connecticut companies, and Oak HC/FT invests from seed to growth. Galen Partners is growth equity only and does not invest at the seed stage.
How much do Connecticut health care VC firms invest?
Galen Partners typically invests $10 million to $30 million in established health care companies, and Oak Investment Partners has historically targeted $10 million to $150 million. We could not find published check sizes for the other firms on this list, so confirm directly before you pitch.
Do I need a Connecticut company to get funding from Connecticut Innovations?
Connecticut Innovations is the state's venture capital arm, and it provides financing and support to Connecticut's innovative, growing companies. It invests in bioscience, health care IT, and other technology sectors, so it is aimed at Connecticut-based startups rather than out-of-state founders.
How many Connecticut and health care investors are on AngelMatch?
AngelMatch lists 700+ Connecticut investors and 42,000+ health care investors. You can combine those filters with stage and investor type to build a Connecticut health care shortlist.
