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Funded Startups in Waltham, Massachusetts

Updated July 2026

Explore 82 recently funded startups in Waltham, Massachusetts, United States.Access verified founder contact information and funding data.

Total Companies
82
Total Funding
$1.7B
Avg Funding
$67.5M
Industries
11

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Recently Funded Companies

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$40.0M
raised

Affinia Therapeutics is a biotechnology company developing transformative AAV gene therapies for people with rare and prevalent diseases.

Oct 2025
Series C

Founder Contacts

30,000+ verified contacts

Elder Care
$366.0M
raised

Devoted Health is a healthcare company serving seniors and giving them a health care plan with personal guides and world-class technology.

Jan 2026
Series F

Founder Contacts

30,000+ verified contacts

Electronics
$3.5M
raised

Monaire is an electronics manufacturing company that offers HVAC and refrigeration management service for small businesses.

Mar 2024
Seed

Founder Contacts

30,000+ verified contacts

Customer Service
$32.0M
raised

Third Pole develops products that generate and deliver electric nitric oxide for hospital, ambulatory, and home use.

Dec 2022
Series B

Founder Contacts

30,000+ verified contacts

Biopharma
$3.0M
raised

NanoMosaic provides solutions for early illness detection, prognostic monitoring, and biomarker identification.

Nov 2025
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Biotechnology
$30.0M
raised

TScan Therapeutics is a biopharmaceutical company focused on the development of immunotherapy treatments for cancer.

Dec 2024
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

$30.0M
raised

OncXerna Therapeutics offers precision medicine using an innovative RNA-based biomarker platform.

Mar 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

$30.0M
raised

American Robotics is a Robot-as-a-Service company that develops FAA-approved pilotless, AI-powered drones for industrial purposes.

Oct 2022
Convertible Note

Founder Contacts

30,000+ verified contacts

Health Care
$30.0M
raised

Eleanor Health provides comprehensive mental health and substance use disorder care in clinics, virtually, and in patient's homes.

Feb 2024
Series D

Founder Contacts

30,000+ verified contacts

Business Intelligence
$2.9M
raised

Perch Insights equips CX professionals with data-driven insights that enable proactive decision-making that increases client lifetime value.

Sep 2022
Seed

Founder Contacts

30,000+ verified contacts

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Biotechnology
$276.0M
raised

Morphic Therapeutic is a biotechnology company that develops oral integrin therapies to treat serious chronic diseases.

May 2023
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Health Care
$275.0M
raised

Mural Oncology is a protein engineering platform to reimagine cytokine-based immunotherapies for the treatment of cancer.

Nov 2023
Corporate Round

Founder Contacts

30,000+ verified contacts

AgTech
$2.5M
raised

Farmblox utilizes IoT and AI to give farmers the tools to automate their operations.

Jul 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

$24.0M
raised

Paragonix Technologies is a medical device company specialized in organ preservation devices for the improvement of donor organ quality.

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

Analytics
$23.5M
raised

Bigtincan is a sales enablement automation company that helps brands facilitate the future buying experience.

Dec 2022
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

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Biotechnology
$2.3M
raised

Amagma Therapeutics specializes in the discovery and development of antibody therapeutics against inflammatory diseases.

Jun 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Biotechnology
$21.7M
raised

Instylla is a medical equipment supplier that provides liquid embolics of the next generation for interventional radiology.

Oct 2025
Series C

Founder Contacts

30,000+ verified contacts

Biotechnology
$200.0M
raised

Cogent Biosciences is a biotechnology company that develops therapies for solid cancer tumors.

Nov 2025
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

Biotechnology
$200.0M
raised

Upstream Bio focuses on developing an antibody therapy for the treatment of severe asthma.

Jun 2023
Series B

Founder Contacts

30,000+ verified contacts

Health Care
$19.6M
raised

Avava is a Pioneer precision skin therapy to improve the quality of life for patients around the world.

Mar 2026
Series D

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$19.0M
raised

Koverly is a FinTech firm that helps businesses manage their B2B payments and receivables online.

Jul 2025
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Health Care
$18.5M
raised

General Fluidics develops an in vitro diagnostic tool for performing a growing array of blood and urine tests.

Jul 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Health Care
$18.3M
raised

InterWell Health is a national physician-centric partnership between Fresenius Medical Care North America.

Mar 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Food and Beverage
$1.8M
raised

SushiDog is a food and beverage company that produces sushi rolls, poke bowls, and asian salads.

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

Biotechnology
$17.5M
raised

Naveris is a biotechnology company that provides clinically validated blood tests for the early detection of cancer.

Jul 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 82 companies