Watertown

A working list of the 24 tech companies and startups headquartered in Watertown. Refreshed continuously from public sources, ATS feeds, and funding databases.


Companies
24
With funding
22
Tracked capital
$4.1B

SECTION I · WATERTOWN ROSTER

Companies headquartered in Watertown

Page 1 of 1

Displaying 24 companies

Progentos logo
Progentos Therapeutics develops an approach to treat multiple sclerosis that stimulates the body's natural repair mechanisms.
WatertownMA10 - 502023$65,000,000
Portal logo
Portal is a cell engineering platform firm that enables next generation cell engineering and cell analytics in research and clinical settings.
WatertownMA10 - 502023$32,694,997
Larkspur Biosciences logo
Larkspur's strategy focuses on the particular ways in which tumours hijack the immune system by developing precision immunotherapies for molecularly defined patient groups to overcome the bottlenecks that allow the tumour to subvert the immune system.
WatertownMA20 - 502023$35,500,000
EnPlusOne Biosciences logo
EnPlusOne is on a mission to bring RNA and RNA solutions to the world. Its ezRNA™ synthesis platform is a stepwise innovation that can incorporate a diverse array of nucleotide modifications and promises a manufacturing process that can sustainably deliver therapeutic RNA at commercial scales. In addition to direct RNA synthesis, EnPlusOne's ezRNA™ platform supports a vast array of RNA solution applications. For more information, please visit www.enplusonebio.com
WatertownMA5 - 202022$22,000,000
Multitude Insights logo
Multitude Insights helps law enforcement agencies leverage their unstructured data. The company was founded in 2021 and is headquartered in Watertown, Massachusetts, United States.
WatertownMA5 - 102021$10,000,000
Tome Biosciences logo
Tome Biosciences is a biotechnology company that develops programmable gene insertion technology. Using CRISPR, its technologies allow them to insert any genetic sequence of any size at any location into any genome.
WatertownMA50 - 2002021$213,000,000
AvenCell logo
AvenCell is a modular antibody complex technology.
WatertownMA50 - 1002021$152,000,000
Zus Health logo
Zus Health helps a new wave of healthcare builders to create technologies and services without the usual blockers. Zus Health aims to bring forth a better health reality by empowering an inspired new wave of healthcare builders to create digital technologies and services that are cheaper, easier to customize, and far more intimate.
WatertownMA20 - 1002020$74,000,000
Seismic Therapeutic logo
Seismic Therapeutic is a biotechnology company integrating machine learning across the entire biologics discovery process to accelerate immunology drug development. Using our IMPACT™ platform, we are addressing the central challenges of biologics discovery and development by fully integrating machin... Read more
WatertownMA20 - 1002020$247,000,000
Syncell logo
Syncell is a life science technology company building products for next-generation spatial biology. Its pioneering Microscoop™ technology enables microscopy-guided nanoscale protein ''scooping'', making unbiased subcellular spatial proteomics discovery feasible for the first time. This technology can be applied to a broad range of biological problems to help understand molecular mechanisms, identify novel disease biomarkers, and reveal novel druggable targets.
WatertownMA20 - 1002020
Corner Therapeutics logo
Corner Therapeutics is a biotechnology research company that specializes in the immunotherapy paradigm.
WatertownMA20 - 502020$58,510,656
Tectonic Therapeutic logo
Tectonic is a privately held biotechnology company that aims to transform the discovery of novel GPCR-targeted drugs and unlock the therapeutic utility the most challenging receptors in the class. Tectonic’s founders are at the forefront of scientific research in biochemistry and molecular pharmacology with an extensive track record of entrepreneurial achievement.
WatertownMA50 - 1002020$395,700,000
Entact Bio logo
Entact Bio is a biotechnology company that is in the preclinical stages of developing medications to improve protein function. It was founded by a team with deep roots in deubiquitinase (DUB) biochemistry, chemical biology, disease biology, and small-molecule drug development. The company's propriet... Read more
WatertownMA20 - 502019$131,321,697
Orna Therapeutics logo
Orna Therapeutics is a biotechnology company dedicated to designing and delivering a new class of fully engineered circular RNA (oRNA) therapeutics with the potential to change the way it treats disease. Orna’s proprietary platform combines novel technology to create oRNAs that drive protein expression with validated and unique delivery solutions.
WatertownMA50 - 2002019$321,000,000
Arranta Bio logo
Founded in 2019, Arranta Bio is a visionary contract development and manufacturing organization (CDMO) that partners with companies seeking to develop and manufacture complex biological drugs and innovative therapies. Our dedicated team, state-of-the-art facilities, and unparalleled resources are crucial for advancing products from development to commercial launch. Arranta Bio continues to expand capacity and development and manufacturing services across multiple sites with technology platforms designed to meet the evolving demands of our clients and partners.
WatertownMA100 - 2002019$82,000,000
Triveni Bio logo
Triveni Bio is at the forefront of human genetics, cutting-edge antibody design, and precision medicine, pioneering the identification of new disease targets.
WatertownMA20 - 502019$207,000,000
Ingenia Therapeutics logo
Ingenia Therapeutics is a biotechnology company developing a therapeutic antibody candidate to treat multiple diseases, including cancer and inflammatory diseases. It specializes in developing antibodies for patients suffering from defective micro-vessel and progressive chronic diseases.
WatertownMA5 - 202018$16,715,396
Fluent BioSciences logo
Fluent BioSciences is a privately funded venture developing high sensitivity molecular analytical products based on proprietary instrument-free micro-self-assembly technology which enables usage of extremely low molecular and cellular sample inputs.
WatertownMA10 - 502018$22,900,000
Kymera Therapeutics logo
Kymera Therapeutics, Inc. operates as a biopharmaceutical company. The Company focuses on discovering and developing novel small molecule therapeutics that selectively degrade disease-causing proteins by harnessing the body's own natural protein degradation system. Kymera Therapeutics serves customers in the State of Massachusetts.
WatertownMA2532017$1,956,800,000
Firefly Health logo
Firefly Health is reshaping what great healthcare looks like. Founded by experienced physician innovators and technology entrepreneurs, Firefly marries sophisticated technology with a thoughtful care team experience for continuous, intelligent care that changes behavior and drives value.
WatertownMA10 - 1002016$52,200,000
Dynamic Cell Therapies logo
Dynamic Cell Therapies develops controllable CAR T cells for the treatment of cancers.
WatertownMA10 - 502016$1,000,000
Telative logo
Telative turns average and below average employees into superstars. We systematize key performance metrics and turn them into real-time, on-the-job coaching for guest facing employees.
WatertownMA1 - 102013
Hyperion Biosystems logo
C2Sense, Inc. produces gas sensors for several different applications. The Company develops chemiresistive gas sensors for food and agriculture sectors to improve food quality and address the problem of waste. C2Sense serves customers in the State of Massachusetts.
WatertownMA10 - 502013$37,445,500
HapYak Interactive Video logo
Whether your business has one compelling video or a thousand, HapYak helps you turn them into clickable, shoppable, and trackable user experiences. With a secure interactivity layer delivered from the cloud, HapYak works with any video player, anywhere, to drive deeper user engagement, video analytics and monetization. Visit our Gallery at HapYak.com to see why the world’s most successful organizations rely on HapYak every day to enhance their video strategy with personalized data-driven experiences, in-video shopping, choose your own adventure, interactive learning and more.
WatertownMA10 - 502012$5,300,000

SECTION II · THE BRIEF

The rest of the brief

Brief #72121Updated 24 SEP 2026WATERTOWNTECHHIRING DESK
Employbl Company Profile

Inside Watertown

What we publish for members: hiring momentum, comp bands, and investor activity behind the 24 companies above.

Companies
24
With funding
22
Tracked capital
$4.1B
Section II · Full ProfileFree with an account
  • 01Which Watertown companies are hiring most aggressivelyLocked
  • 02Neighborhood-by-neighborhood density mapLocked
  • 03Open roles across the city (live ATS feed)Locked
  • 04Comp bands by stage and headcountLocked
  • 05Investor activity in the last 12 monthsLocked

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