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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
$3.6B
Avg Funding
$142.9M
Industries
13

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Recently Funded Companies

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$1000K
raised

Central Inventions brings powerful engineering techniques to the classrooms and machine shops where future engineers learn.

Aug 2021
Grant

Founder Contacts

30,000+ verified contacts

$9.3M
raised

Regenacy Pharmaceuticals Provides Healthcare Services.

Aug 2022
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$9.0M
raised

Bonito Biosciences is a biotechnology research firm specializing in tissue-selective drug delivery for oligonucleotides and macromolecules.

May 2024
Seed

Founder Contacts

30,000+ verified contacts

Information Technology
$8.2M
raised

Finwave Semiconductor develops a 3DGaN technology designed to enhance 5G devices.

May 2025
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$75.0M
raised

Evolv Technology an AI-enabled touchless security screening system that uses digital sensors and artificial intelligence to detect threats.

Jul 2025
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

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Analytics
$7.5M
raised

CallMiner develops AI-powered conversation intelligence software that analyzes customer interactions, particularly in call centers.

Jun 2025
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Health Care
$750K
raised

ConnectRN is a tech-enabled network built to improve clinicians' lives through access to community, opportunity, and support.

May 2023
Convertible Note

Founder Contacts

30,000+ verified contacts

Industrial Manufacturing
$725.0M
raised

Veralto is a provider of essential water and product quality solutions.

May 2026
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

$719.0M
raised

Dianthus Therapeutics is a biotech company developing new treatments for serious autoimmune diseases using a more targeted approach.

Mar 2026
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Biotechnology
$700.4M
raised

Oruka Therapeutics is advancing innovative biologics to redefine patient care standards in chronic skin diseases.

Apr 2026
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

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$600.0M
raised

Kailera Therapeutics develops next-generation injectable and oral therapies for chronic weight management.

Oct 2025
Series B

Founder Contacts

30,000+ verified contacts

Database
$6.0M
raised

RevenueBase is a provider of the database as a service intended to serve B2B companies.

Apr 2022
Seed

Founder Contacts

30,000+ verified contacts

Biotechnology
$600K
raised

OrthoFundamentals is a biotech company aiming to improve orthopedic care at ambulatory surgery centers.

Jan 2023
Seed

Founder Contacts

30,000+ verified contacts

$5.9M
raised

Vicarious Surgical is a robotics company that develops robotic systems that allow surgeons to perform minimally invasive surgery.

Oct 2025
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Biotechnology
$55.0M
raised

Orionis Biosciences operates in the healthcare industry focusing on biotechnology business & innovation.

Oct 2022
Series C

Founder Contacts

30,000+ verified contacts

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Health Care
$55.0M
raised

Linus Health is a digital health company focused on improving mental health and brain health by using screening technology.

Jul 2021
Series B

Founder Contacts

30,000+ verified contacts

Cyber Security
$5.4M
raised

PaymentWorks digital supplier onboarding platform is foundational to the procure-to-pay process.

Jun 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Biotechnology
$50.0M
raised

Spectrawave is a medical device company that develops optical diagnostic and therapeutic devices.

Sep 2024
Series B

Founder Contacts

30,000+ verified contacts

Financial Services
$50.0M
raised

Great Elm Capital is a business development company that invests in the debt instruments of middle-market companies.

Sep 2025
Post-IPO Debt

Founder Contacts

30,000+ verified contacts

$4.5M
raised

Minerva Biotechnologies develops cancer immunotherapies and cancer drugs to target 80% of solid tumors and to prevent cancer metastasis.

Dec 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

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Consumer Software
$450K
raised

Qeepsake helps families capture, collect, and pass down the memories and stories that matter in their lives.

Nov 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

$4.3M
raised

Everest Biolabs supplies exosome and EV isolation tools, ELISA kits, and instruments for research in biotech and academic labs.

Mar 2026
Seed

Founder Contacts

30,000+ verified contacts

Alternative Medicine
$401.0M
raised

ElevateBio is a biotechnology company that specializes in cell and gene-based therapies.

May 2023
Series D

Founder Contacts

30,000+ verified contacts

$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

$40.0M
raised

Alloy Therapeutics is a biotechnology company that provides drug discovery services to support the development of therapeutic biologics.

Apr 2026
Series E

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 82 companies