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Series B Companies in Boston

Explore 70 series b startups based in Boston, United States. Access verified founder contact information and fundraising data.

Total Companies
70
Total Funding
$1.5B
Avg Funding
$61.1M
Industries
10

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Artificial Intelligence (AI)
$65.5M
raised

Superluminal Medicines develops small-molecule therapeutics using AI, biology, and chemistry.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Health Care
$40.0M
raised

Connie Health empowers older Americans to make confident, worry-free healthcare decisions.

Jun 2026
Series B

Founder Contacts

41,000+ verified contacts

Bookkeeping and Payroll
$17.4M
raised

RemotePass is a workforce management platform that helps companies onboard, manage, and pay contractors and employees.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$11.0M
raised

Beacon Biosignals is a neurotechnology company that brings precision neuroscience into clinical trials and treatments.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Education
$20.0M
raised

Clasp is a mission-driven, venture-backed fintech revolutionizing how employers attract and retain critical talent in hard-to-hire fields.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$125.0M
raised

Code Metal is an AI-enabled platform providing verifiable code translation and optimization for edge development and code modernization.

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

$63.5M
raised

Precede Biosciences is a biotechnology company that provides a blood-based approach to reveal disease-defining transcriptional biology.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

$103.0M
raised

Kinaset Therapeutics is a biopharma company that focuses on advancement of novel drugs in areas of unmet medical needs.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

Animation
$150.0M
raised

TeraDAR offers 4D imaging sensors using Terahertz technology for high-resolution imaging in any weather.

Nov 2025
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$25.0M
raised

Delix Therapeutics focuses on harnessing the power of psychoplastogens novel neuroplasticity-promoting therapeutic.

Sep 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$50.0M
raised

Generative AI platform to reimagine customer experience starting with support

Jun 2025
Series B

Founder Contacts

41,000+ verified contacts

Consumer Goods
$20.0M
raised

Koala Health provides medications and health products for pet needs.

May 2025
Series B

Founder Contacts

41,000+ verified contacts

Cloud Security
$30.0M
raised

A browser-native identity security platform that hardens your identity attack surface and prevents account takeover.

Apr 2025
Series B

Founder Contacts

41,000+ verified contacts

$59.2M
raised

Imbria Pharmaceuticals is a clinical stage biotechnology company developing novel therapies for cardiometabolic diseases.

Apr 2025
Series B

Founder Contacts

41,000+ verified contacts

$65.0M
raised

Ampersand Biomedicines is a multi-product platform that develops programmable medicines that target disease sites precisely.

Mar 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$24.0M
raised

VerAI Discoveries is an AI-driven mineral asset portfolio company that uses AI and machine learning to identify concealed mineral deposits.

Feb 2025
Series B

Founder Contacts

41,000+ verified contacts

$230.0M
raised

QuEra Computing is a provider of quantum computers that utilize neutral atom technology, aiming to innovate the field of quantum computing.

Feb 2025
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$40.0M
raised

VideaHealth is offers dentistAI's software automatically detects pathologies in dental imaging, helping dentists avoid missing diseases.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

$97.0M
raised

Atalanta Therapeutics is a biotechnology company pioneering new treatment options for neurodegenerative diseases.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

$36.0M
raised

Amplitude Vascular Systems is a medical device company that treats calcified arterial disease.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Health Care
$25.0M
raised

Labviva is a life sciences purchasing and inventory platform that enhances transparency in supply chain and procurement processes.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$16.2M
raised

Centaur provides a platform and services for expert annotation of medical and scientific data

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$25.0M
raised

Vizit is a visual AI platform that optimizes ecommerce content for conversions.

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$175.0M
raised

Aktis Oncology is a biotechnology company that designs and develops novel class radiopharmaceuticals.

Sep 2024
Series B

Founder Contacts

41,000+ verified contacts

Health Care
$15.0M
raised

ZOE is a personalized nutrition company on a mission to improve the health of millions.

Jul 2024
Series B

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 70 companies

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