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PathAI

Builds AI tools for tissue analysis

Overview

PathAI builds software that analyzes tissue images for pathology laboratories and biopharmaceutical companies working on drug development. Its AISight image management system organizes digital slides, cases, and collaboration in a browser, while image analysis tools measure tissue features relevant to disease research. The company supports studies from biomarker discovery through clinical trials and the development of tests that match patients with treatments. It sells software and research services, runs a separate biopharma laboratory, and licenses tissue data linked to clinical and molecular information. PathAI was founded in 2016 and is headquartered in Boston, Massachusetts.

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About PathAI

Simplify's Rating
Why PathAI is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

AI & Machine LearningHealthcare

Company Size

501-1,000

Company Stage

Acquired

Total Funding

$358.7M

Headquarters

Boston, Massachusetts

Founded

2016

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Simplify's Take

What believers are saying

  • Labcorp expands the deployment pipeline: its February 2026 agreement plans AISight Dx rollout across its national pathology network.
  • Engineering leadership has scope: PathAI's MLOps Associate Director opening manages at least six engineers and directs AI infrastructure.
  • Trial distribution has infrastructure: PathAI says AISight Clinical Trials integrates with 80% of global central laboratory providers.

What critics are saying

  • Routine diagnostic sales have limits: PathAI labels AIM-PD-L1 and AIM-HER2 research-only in the United States.
  • The headline sale price is conditional: Roche's May 2026 agreement makes $300 million dependent on milestones.
  • Integration adds finance duties: PathAI's Assistant Controller opening includes accounting integration work alongside monthly close and financial reporting.

What makes PathAI unique

  • Training data has expert input: PathAI reports over 32.5 million annotations from more than 450 certified pathologists.
  • AISight hosts rival developers' tools: its partner portfolio integrates algorithms from Paige, DeepBio, DoMore Diagnostics, and Visiopharm.
  • PathAI's liver scoring has a regulatory foothold: AIM-MASH AI Assist holds FDA qualification specifically for MASH clinical trials.

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Funding

Total Funding

$358.7M

Above

Industry Average

Funded Over

9 Rounds

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Benefits

  • Competitive medical, dental, and vision insurance
  • Retirement plan options
  • Paid parental leave
  • Health & wellness benefits
  • Flexible work options
  • Generous paid time off

Growth & Insights and Company News

Headcount

6 month growth

2%

1 year growth

1%

2 year growth

0%
Pathology in Practice
Oct 8th, 2026
Broadening access to AI-driven diagnostics

Broadening access to AI-driven diagnostics. * October 08, 2026 AI Pathology firm Aiforia has announced a commercial agreement with PathAI - the developer of the AISight Dx Image Management System - for Aiforia's AI solutions to be made available to laboratories through the AISight Marketplace. The agreement pairs Aiforia's deep learning technology and position as a leading provider of CE-IVD marked AI solutions for digital pathology in Europe with PathAI's strong installed base and presence in the United States, extending the reach of Aiforia's AI models to a broader base of laboratories across both regions. AISight Dx is CE-IVD-marked for primary diagnosis in the EEA, CH, and UK. "This agreement with PathAI is an important step in expanding access to Aiforia's AI solutions. By making our models available through AISight Dx, we can reach laboratories and pathologists who are already working within PathAI's platform and strengthen our presence especially in the U.S. market," said Jukka Tapaninen, CEO of Aiforia. "Our goal with AISight Dx is to give pathologists everything they need in one place," said Nick Brown, Chief Growth Officer, PathAI. "With Aiforia's AI solutions embedded directly into case review workflows, alongside our expanding algorithm catalog and seamless connectivity to lab and hospital IT systems through AISight Link, laboratories get a single, curated ecosystem spanning biomarker quantification, tissue classification, and diagnostic decision support, all contracted, billed, and supported through PathAI."

Roche
May 7th, 2026
Roche enters into a definitive merger agreement to acquire PathAI to transform AI-driven diagnostics

PathAI’s best-in-class Image Management System (IMS) with advanced AI analysis and workflow capabilities will complement Roche's digital pathology portfolio to drive laboratory efficiencyCombining...

StockTitan
May 7th, 2026
Roche to acquire PathAI for $750M upfront to advance AI-driven diagnostics

Roche has entered into a definitive merger agreement to acquire PathAI, a US-based digital pathology and AI technology company, for $750 million upfront plus up to $300 million in milestone payments. The deal, expected to close in the second half of 2026 pending regulatory approvals, will integrate PathAI into Roche Diagnostics. The acquisition builds on a partnership established in 2021. PathAI's AISight Image Management System will be scaled globally and combined with Roche's companion diagnostics expertise to accelerate biomarker discovery, translational research and clinical trial support. The deal strengthens Roche's position in digital pathology, which transforms manual workflows into AI-driven processes. PathAI's technology creates high-resolution digital images from tissue slides, enabling pathologists to use AI tools for faster diagnostic results and more tailored treatment regimens.

The Manila Times
May 5th, 2026
PathAI and A.C.Camargo Cancer Center announce cooperation to expand digital pathology with AI in Brazil via SUS.

PathAI and A.C.Camargo Cancer Center announce cooperation to expand digital pathology with AI in Brazil via SUS. By GlobeNewswire May 5, 2026 Collaboration supports national digital pathology transformation initiatives and broadens access to AI-enabled oncological diagnostics BOSTON and SÃO PAULO, May 05, 2026 (GLOBE NEWSWIRE) - PathAI, a global leader in AI-powered digital pathology solutions, and A.C.Camargo Cancer Center, a national benchmark in oncological treatment, education, and research, are joining forces strategically to support the adoption of digital and AI-enabled pathology across Brazil. The collaboration reinforces the country's national efforts to modernize oncological diagnostics and strengthens PathAI's growing presence in the region. A.C.Camargo Cancer Center, beyond its role as a high-complexity care center, plays a strategic role in social impact by integrating structural initiatives in partnership with the Ministry of Health, such as PROADI-SUS. In this context, it leads the Super Cancer Diagnostic Center of Brazil, an initiative under the Agora Tem Especialistas (Now There Are Specialists) program of the Brazilian Government, aimed at expanding access to high-quality oncological diagnostics, reducing regional inequalities, and strengthening the diagnostic capacity of the public health system. Within the scope of the program, the Ministry of Health is structuring an integrated national diagnostic network using telemedicine and digital pathology - a significant advancement in the efficiency and speed of diagnosis within the public health network. As part of this, the digital pathology transformation will be implemented across a network of regional laboratories, enabling the storage, analysis, and sharing of samples with professionals anywhere in the country. This contributes to ensuring greater agility and security, while also reducing regional inequalities in access to diagnostics. AISight(R) 1 will serve as the primary digital pathology solution for evaluation in this distributed workflow, supporting high-volume case review, quality control, and AI-assisted analysis. The deployment includes a suite of artificial intelligence applications designed to improve operational efficiency and enhance report consistency. This partnership contributes to broader objectives of expanding access to high-quality services, strengthening the efficiency of pathology laboratories, and enabling a scalable digital infrastructure aligned with regulatory and public health priorities. By combining regional digitization with centralized expert review, the model helps address workforce constraints, reduce regional disparities, and meet growing demand, while creating a foundation for long-term clinical, operational, and research impact. "This partnership with A.C.Camargo represents a significant milestone in our commitment to Brazil and the broader South American region," said Nick Brown, Chief Growth Officer of PathAI. "By supporting a nationally significant cancer center and government-aligned initiatives, we're helping build a scalable, sustainable digital pathology ecosystem that benefits patients, pathology laboratories, academic medical centers, and healthcare authorities alike." With the advancement of digital pathology, it becomes possible to overcome geographical barriers and broaden access to specialized diagnostic expertise in anatomical pathology. "The digitization of biopsy slides allows images to be shared and analyzed remotely by specialists, regardless of location. Given this, the initiative aims to expand access to high-quality diagnostics, support services with limited specialist availability, and help reduce inequalities in cancer diagnosis in Brazil," says Louise De Brot, Head of Anatomical Pathology and Genomics at A.C.Camargo Cancer Center. 1 AISight(R) is for Research Use Only in Brazil and the US. powered by About A.C.Camargo Since its founding more than 70 years ago, A.C.Camargo has been committed to caring for people and expanding access to cancer treatment in Brazil. An international reference in oncology, the Cancer Center operates in an integrated manner across prevention, diagnosis, treatment, rehabilitation, and palliative care. Its purpose - honoring life by challenging the frontiers of oncology and promoting education and research for society - is at the heart of everything it does. With a care model and outcomes equal to or surpassing those of the world's leading oncology centers, A.C.Camargo integrates clinical excellence, scientific knowledge generation, and the training of specialized professionals. Altogether, it employs five thousand professionals, including more than 700 physicians within its closed medical staff, all dedicated to and specialized in oncological patient care. A pioneer in implementing concepts such as High-Performance Management and Value-Based Healthcare, the Cancer Center also has a robust national Social Impact arm, through which it partners with CONASEMS to train more than 500,000 community health agents across Brazil. It is also responsible for leading the Missão A.C.Camargo (A.C.Camargo Mission) project in partnership with municipalities throughout the country, providing support to local health departments in developing cancer screening and prevention programs. Since May 2025, it has been an institution of recognized excellence within PROADI-SUS. For more information, please visit https://accamargo.org.br. About PathAI PathAI is a leading provider of integrated AI and digital pathology solutions dedicated to transforming workflow and operational efficiency in pathology labs worldwide. Through innovative technologies and strategic partnerships, PathAI aims to enhance patient outcomes and drive the future of medical diagnostics. For more information, please visit www.pathai.com. About AISight AISight(R) is a cloud-native, intelligent enterprise workflow solution developed by PathAI to advance digital pathology practices. Serving as a central hub for case and image management, AISight integrates seamlessly with major laboratory information systems (LIS) and supports various scanners. Its browser-accessible, cloud-based architecture enables rapid activation and scalability without requiring additional infrastructure investments. Designed with pathologists in mind, AISight offers built-in image analysis and collaboration tools, providing an intuitive user experience. The platform also features an open AI environment, incorporating AI algorithms from PathAI and third-party partners to support multiple histopathology applications. About the Agora Tem Especialistas Program The Agora Tem Especialistas (Now There Are Specialists) program works on strategic fronts to reduce wait times in the SUS, including holding weekend task forces, transporting patients who require treatment outside their home municipalities, extending service hours at polyclinics, reactivating idle facilities in public hospitals, and establishing partnerships with private and philanthropic hospitals to provide free care to SUS patients. The initiative is part of the Brazilian Government's effort to expand the capacity of the public health network and ensure that specialized care reaches the population more quickly and with greater quality. Company Contact Liz Storti Chief People Officer [email protected] Media Contact Owen Blaschak LifeSci Communications [email protected]

GlobeNewswire
Apr 7th, 2026
PathAI and MedStar Health announce partnership to deploy the AISight(R) Dx Digital Pathology Platform and advanced AI applications.

PathAI and MedStar Health announce partnership to deploy the AISight(R) Dx Digital Pathology Platform and advanced AI applications. April 07, 2026 09:00 ET | Source: PathAI BOSTON and COLUMBIA, Md., April 07, 2026 (GLOBE NEWSWIRE) - PathAI, a leading provider of AI-powered pathology solutions, and MedStar Health, a leading health system headquartered in Columbia, Maryland, today announced a multi-year strategic collaboration to deploy PathAI's AISight(R) Dx[1] Digital Pathology Platform and various AI algorithm products across the multi-site network. AISight(R) Dx is PathAI's cloud native digital pathology image management system designed to support laboratory workflows, clinical operations and research initiatives. It combines enterprise scale slide management, viewing, and collaboration with seamless AI integration to drive enhanced efficiency and improve speed and consistency. MedStar Health will also deploy algorithms, including ArtifactDetect and TumorDetect[2], to further transform pathology workflows across their network of laboratories supporting over 40 pathologists. "At MedStar Health, we are focused on scaling high-quality care across a large and growing health system, including a rapidly expanding outreach business, and digital pathology is a critical enabler of that mission," Moira Larsen, MD, Physician Executive Director of MedStar Medical Group Pathology at MedStar Health. "By deploying AISight(R) Dx and advanced AI applications, we are modernizing our pathology infrastructure in a way that makes us more connected, more efficient, and better positioned to bring innovative diagnostics into everyday practice. This collaboration allows MedStar to lead in the adoption of digital and AI technology while maintaining our focus on delivering exceptional outcomes for the patients and communities we serve." The deployment of AISight Dx at scale builds upon MedStar Health's participation in PathAI's Early Access Program as well as prior research initiatives, including an independent validation of PathAI's AIM-HER2 Breast algorithm. The partnership lays the groundwork for further collaboration as part of PathAI's Precision Pathology Network, allowing MedStar Health to pursue joint research initiatives, generate real-world multimodal data, support clinical trials and biopharma partnerships, and co-develop advanced AI diagnostics. "Digital pathology and AI are transforming how health systems generate insight and scale impact," said Nick Brown, Chief Growth Officer of PathAI. "Through our collaboration with MedStar Health, we're building a modern digital infrastructure that will accelerate innovation and future-proof MedStar's pathology growth." 1 AISight(R) Dx is FDA-cleared for primary diagnosis in the US and is CE-IVD-marked for primary diagnosis in the EEA, UK, and Switzerland. 2 ArtifactDetect is a workflow tool on AISight Dx. TumorDetect is for Research Use Only. Not for use in diagnostic procedures. About PathAI PathAI is a leading provider of integrated AI and digital pathology solutions dedicated to transforming workflow and operational efficiency in pathology labs worldwide. Through innovative technologies and strategic partnerships, PathAI aims to enhance patient outcomes and drive the future of medical diagnostics. For more information, visit www.pathai.com. About MedStar Health MedStar Health is a not-for-profit health system dedicated to caring for people in Maryland and the Washington, D.C., region, while advancing the practice of medicine through education, innovation and research. MedStar's 30,000 associates, 6,000 affiliated physicians, 10 hospitals, ambulatory care and urgent care centers, and the MedStar Health Research Institute are recognized regionally and nationally for excellence in medical care. As the medical education and clinical partner of Georgetown University, MedStar trains more than 1,100 medical residents annually. MedStar Health's patient-first philosophy combines care, compassion and clinical excellence with an emphasis on customer service. For more information, please visit https://www.medstarhealth.org/.

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