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Funded Startups in Watertown, Massachusetts

Updated July 2026

Explore 50 recently funded startups in Watertown, Massachusetts, United States.Access verified founder contact information and funding data.

Total Companies
50
Total Funding
$1.9B
Avg Funding
$75.7M
Industries
11

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Recently Funded Companies

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Medical Device
$2.3M
raised

Elastro is a venture-backed neurotechnology startup

Aug 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Biotechnology
$225.0M
raised

Disc Medicine is a biopharmaceutical company that develops therapies for hematologic diseases and rare blood disorders.

Oct 2025
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Biotechnology
$213.0M
raised

Tome Biosciences is a biotechnology company that develops programmable gene insertion technology.

Dec 2023
Series A

Founder Contacts

30,000+ verified contacts

3D Printing
$210.0M
raised

Markforged is a manufacturing company that invents a new 3D printing process to build parts with the strength of Continuous Carbon Fiber.

Jul 2021
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Biotechnology
$21.0M
raised

Parallel Bio develops tools that help in the discovery and development of immunotherapies.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

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$200.0M
raised

Soufflé Therapeutics has potent, precise, and safe medicines can be designed and developed for all diseases.

Jan 2025
Series A

Founder Contacts

30,000+ verified contacts

$200.0M
raised

Treeline Biosciences is a biotech company building transformative precision medicines for patients with cancer and other serious conditions.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$2.0M
raised

SQZ Biotech features a cell engineering technology designed to deliver a diverse set of materials into patient cells.

Mar 2022
Grant

Founder Contacts

30,000+ verified contacts

Biotechnology
$200K
raised

PathCision Medicine develops precision biologics for metastatic cancer using translational medicine and machine learning.

Feb 2024
Seed

Founder Contacts

30,000+ verified contacts

$185.0M
raised

Tectonic Therapeutic is a biotechnology company which focuses on scientific research in biochemistry and molecular pharmacology.

Feb 2025
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

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Bioinformatics
$175.0M
raised

Mariana Oncology is a biotechnology research industry.

Sep 2023
Series B

Founder Contacts

30,000+ verified contacts

$175.0M
raised

Affini-T Therapeutics is a biotechnology company developing T-cell therapies for patients suffering from cancer.

Mar 2022
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Life Science
$15.0M
raised

Syncell is a proteomics technology company enabling in situ protein drug target discovery.

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

$125.0M
raised

Diagonal Therapeutics is a biotechnology startup that develops targeted therapies for cancer and genetic diseases.

Jan 2026
Series B

Founder Contacts

30,000+ verified contacts

Analytics
$1.1M
raised

NOORAI specializes in AI and data analytics services, offering advisory, predictive intelligence, and simulation solutions.

Nov 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

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Biotechnology
$101.0M
raised

Lyndra Therepeutics creates therapies for long-term drug release in an oral dose form.

Dec 2023
Series E

Founder Contacts

30,000+ verified contacts

Document Management
$10.0M
raised

Multitude Insights develops software solutions to enhance real-time intelligence sharing among law enforcement agencies.

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$10.0M
raised

Cultivarium develops open-source tools for life scientists to expand access to novel microorganisms and research.

Apr 2025
Grant

Founder Contacts

30,000+ verified contacts

$10.0M
raised

ZWI Therapeutics is a biotech company developing a new polymer to reduce immunogenicity and aid pharmacokinetics of protein therapeutics.

Jan 2024
Series A

Founder Contacts

30,000+ verified contacts

$10.0M
raised

EnPlusOne Biosciences provides innovative solutions for emerging RNA therapeutics.

Feb 2025
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

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$1.0M
raised

Dynamic Cell Therapies develops controllable CAR T cells for the treatment of cancers.

Jul 2024
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

$100K
raised

We leverage A.I. to monitor and predict pest risks in food manufacturing.

Dec 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Advanced Materials

Via Separations is a technology company that develops membrane materials for modular and resource separation solutions.

Apr 2026
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Biotechnology

Fluent Biosciences, a life science company, offering a molecular analysis of cells without the use of complex microfluidic instrumentation.

Mar 2024
Grant

Founder Contacts

30,000+ verified contacts

Health Care

Firefly Health is a virtual-first health care company that provides primary healthcare services that redefine high-quality patient care.

Jan 2023
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 50 companies
50 VC-Backed Startups in Watertown, Massachusetts (2026) | VCBacked