Stellarus
Stellarus is a healthcare technology company spun out of Blue Shield of California that sells a unified data and AI platform (AtlasIQ plus six product suites) to health plans for modernizing payer infrastructure, automating operations, and deploying AI agents at scale.
- Company typePrivate
- Founded2025
- HeadquartersOakland, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Stellarus does
Stellarus is a healthcare technology company spun out of Blue Shield of California in 2025 and headquartered in Oakland, CA, operating as part of the Ascendiun family of companies. The company provides a universal healthcare data and AI platform, anchored by its AtlasIQ foundation, that unifies clinical, claims, member, provider, and operational data into a single AI-ready semantic model supporting FHIR R5, HL7 v2.9, EDI X12, and HIPAA compliance. AtlasIQ processes 530B+ records at 4.2M+ rec/s with 99.9% validation and 15,000+ integration and quality logic rules. On top of AtlasIQ, Stellarus sells six modular product suites (Bridge for interoperability and agentic orchestration, Compass for member service and digital experience, Beacon for payment integrity, prior auth, and appeals automation, Signal for population health and care management, Vector for provider network management, and Prism for analytics and AI insights), totaling 30+ applications targeted at health plans.
The company operates a B2B SaaS subscription revenue model with quote-based enterprise sales and no publicly disclosed pricing. Go-to-market combines direct enterprise sales targeting health plans, channel partnerships with health plans such as HMSA and BCBSKS, and a strategic technology partnership with Sierra for co-deployment of AI voice and conversational agents. Named enterprise customers are Blue Shield of California (the spin-out parent serving 6M members), HMSA, and BCBSKS. The company is privately held under Ascendiun, employs 1-10 people, and has not disclosed external funding rounds, ARR, or revenue figures; the $19B+ figure cited publicly refers to annual healthcare payments processed through the platform rather than company revenue.
Stellarus firmographics
Firmographics- Name
- Stellarus
- Legal name
- Stellarus, LLC
- Website
- https://stellarus.com
- Company type
- Private
- Founded year
- 2025
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Stellarus is a healthcare technology company spun out of Blue Shield of California that sells a unified data and AI platform (AtlasIQ plus six product suites) to health plans for modernizing payer infrastructure, automating operations, and deploying AI agents at scale.
- Ownership category
- akta.pro rank
Stellarus industry classification
Industry- Product category
- Healthcare Data Platform
- NAICS
- Computer Systems Design Services (541512), Other Computer Related Services (541519)
- SIC
- Services-Prepackaged Software (7372), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- FHIR/HL7 Data Repositories & Canonical Data Models (HLACAIAI)
- akta.pro secondary industries
- Data Platform (Unified Data & Analytics) Suites (HDAEABAD), Employer/Member Engagement Platforms for Provider-Sponsored Plans (HLACAEAM)
Keywords
Where Stellarus is headquartered
LocationHeadquarters
- HQ city
- Oakland
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Stellarus business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Healthcare Technology Platform Subscription: B2B SaaS model providing health plans access to Stellarus' technology platform including AtlasIQ foundation and multiple product suites (Bridge, Compass, Beacon, Signal, Vector, Prism). Health plans pay for platform access enabling them to modernize infrastructure, integrate vendors, and scale innovation.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Stellarus product offering
Product offeringCore offering
Stellarus provides a universal healthcare data and AI platform, anchored by its AtlasIQ foundation, that unifies clinical, claims, member, provider, and operational data into a single real-time source of truth for health plans. The platform is delivered as seven modular product suites (Bridge, Compass, Beacon, Signal, Vector, Prism) totaling 30+ applications that enable interoperability, member service automation, payment integrity, prior authorization, population health, provider network management, and analytics. It is offered to health plans on a B2B SaaS basis to modernize infrastructure, integrate vendors, and scale AI-driven operations.
Product overview
Stellarus is a universal healthcare platform built as a unified ecosystem connecting payers, providers, and patients. The platform consists of 7 product suites (AtlasIQ, Bridge, Compass, Beacon, Signal, Vector, Prism) with 30+ applications built on a single unified core. AtlasIQ serves as the foundational platform handling 514B+ records and 14,543+ integration & QA rules. The modular architecture allows health plans to use what they need when they need it, with Bridge providing interoperability, Compass handling member experience, Beacon automating operations, Signal managing population health, Vector managing provider networks, and Prism providing analytics and AI insights.
Differentiator
Problem solved
Functional benefit
Brands
- AtlasIQ: Foundation platform that unifies fragmented healthcare data across clinical, claims, member, provider, and operational domains into a single trusted source of truth.
- Bridge
- Compass
- Beacon
- Signal
- Vector
- Prism
Products and services
- AtlasIQ Foundational unified data platform that connects systems, data, and applications across the healthcare ecosystem through a unified semantic model. Handles 530B+ records with 15,000+ QA rules, enabling real-time, AI-ready intelligence across clinical, claims, member, provider, and operational data for health plans.
- Bridge Interoperability and agentic orchestration suite with three products — Integration & Development Platform, Point Solution Marketplace, and AI Agent Ecosystem — that integrates legacy and modern systems without manual hand-offs and enables a growing ecosystem of healthcare applications and partners.
- Compass Member service and digital experience suite with nine products — Member Service AI Text, Member Service AI Voice, CSR AI Assist, Outbound Voice, Digital Front Door, Member Health Record, Provider Finder, Appointment Scheduling, and Omnichannel Engagement — providing AI-driven, faster, and more responsive member service across voice, messaging, and digital channels.
- Beacon Healthcare operations automation suite with three products — Payment Integrity, Prior Auth, and Appeals & Grievances — that streamlines complex operations and cuts administrative burden while improving accuracy for health plans.
- Signal Population health and care management suite with four products — Population Intelligence & Stratification, Care Orchestration, Cost of Care Opportunity Engine, and Value-Based Care Enabler — that identifies high-risk members, coordinates care programs, and manages the total cost of care.
- Vector Provider network management suite with five products — High Value Networks, Network Optimizer, Provider Performance Analytics, Unified Provider Data & Credentialing, and Provider Data Exchange — providing visibility into provider performance, network design, and provider data to improve access, quality, and efficiency.
- Prism Data, reporting, and AI-driven insights suite with four products — Analytics Semantics Layer, Insights & Reporting Platform, Intelligence Modules, and Agentic Analytics — enabling organizations to understand performance and identify opportunities for improvement.
Companies that use Stellarus
Customer profileNamed customers3 records
Segments4 records
Ideal customer profiles3 records
Stellarus technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability9 records
Feature9 records
Stellarus partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and minor.
- AscendiuncoreAscendiun is the parent company of Stellarus, Blue Shield of California, Blue Shield of California Promise Health Plan, and Altais. Ascendiun validated science-based targets to reduce direct emissions by 42% by 2030, reflecting shared ESG commitments across the family of companies.
- Abarca HealthminorStellarus participated as a speaker at Abarca Forward 2026, the fifth annual conference focused on transforming prior authorization. Engagement in industry collaboration to develop shared principles for transforming prior authorization from administrative burden into intelligent clinical decision-support.
- SierracoreStrategic partnership to help health plans deploy AI agents responsibly and at scale. Combined Sierra's AI conversational platform with Stellarus' healthcare data infrastructure. Pilot with Blue Shield of California deployed AI voice agent achieving 4.4/5 customer satisfaction. Companies expanding beyond reactive support toward proactive AI-driven engagement.
Scale indicators8 records
Recent moves7 records
Expansion highlights6 records
Stellarus competitors and assessment
Company assessmentBroad incumbents
- Salesforce Health Cloud: Salesforce Health Cloud is a broad CRM and member/patient engagement platform used by payers and providers. It overlaps with Stellarus's Compass suite for member engagement and digital front door, though Stellarus is more focused on payer operations and data unification.
- Optum (UnitedHealth Group): Optum is the largest healthcare data, analytics, and operations platform serving payers, providers, and pharma. It is a broad incumbent with overlapping capabilities in payer data integration, analytics, prior authorization, and population health — directly comparable to Stellarus's AtlasIQ and adjacent suites, though at vastly greater scale.
Emerging players
- Zus Health: Zus Health builds a shared healthcare data platform for developers and digital health companies, with FHIR-based records and provider/member data aggregation. It is comparable to Stellarus's Bridge and AtlasIQ capabilities aimed at ecosystem partners and startups.
- League: League operates a healthcare platform-as-a-service for payers and employers, including member engagement, navigation, and digital front door capabilities. It overlaps with portions of Stellarus's Compass suite for member digital experience.
- Particle Health: Particle Health provides a healthcare data API platform for payers, providers, and digital health companies, focused on clinical record retrieval and interoperability. Comparable to Stellarus's Bridge interoperability layer and FHIR-first architecture.
- 1upHealth: 1upHealth is a FHIR-native healthcare data platform offering APIs and analytics for payers, providers, and app developers. It targets the same FHIR/HL7 data unification and app ecosystem opportunity Stellarus is pursuing, with a more app-developer-oriented go-to-market.
Direct peers
- Innovaccer: Innovaccer provides a healthcare data activation platform that unifies EHR, claims, and other data and offers analytics, care management, and provider engagement. Its payer-facing data platform and application suite overlap closely with AtlasIQ, Bridge, and Signal.
- Health Catalyst: Health Catalyst is a healthcare data and analytics platform focused on payers and providers, offering data warehousing, analytics, and population health modules. It competes most directly with Stellarus on the data unification and analytics layer for health plans.
- Edifecs: Edifecs offers healthcare data integration, EDI/HL7/FHIR interoperability, and payer-focused analytics solutions. It is comparable to Stellarus's Bridge suite and AtlasIQ normalization layer, particularly for payer data ingestion.
- Datavant: Datavant focuses on healthcare data exchange, connecting de-identified patient data across payers, providers, and life sciences. Comparable to Stellarus's interoperability and data exchange capabilities within the Bridge suite.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Stellarus social profiles
Digital presenceStellarus compliance and trust
Trust signalCompliance2 records
Stellarus financial estimates
Financial estimateRevenue estimate
Valuation estimate
Stellarus leadership team
Management profileNumber of profiles
Profiles6 records
Stellarus funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Stellarus M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Stellarus
What does Stellarus do?
Stellarus provides a universal healthcare data and AI platform, anchored by its AtlasIQ foundation, that unifies clinical, claims, member, provider, and operational data into a single real-time source of truth for health plans. The platform is delivered as seven modular product suites (Bridge, Compass, Beacon, Signal, Vector, Prism) totaling 30+ applications that enable interoperability, member service automation, payment integrity, prior authorization, population health, provider network management, and analytics. It is offered to health plans on a B2B SaaS basis to modernize infrastructure, integrate vendors, and scale AI-driven operations.
Is Stellarus a public or private company?
Stellarus is a private company. It is classified as corporate owned and is currently operating.
When was Stellarus founded?
Stellarus was founded in 2025. It employs 1 to 10 people.
Where is Stellarus based?
Stellarus is headquartered in Oakland, United States, in the North America region.
How does Stellarus make money?
One revenue line is on record: healthcare Technology Platform Subscription.
Who are Stellarus's main competitors?
Broad incumbents on record are Salesforce Health Cloud and Optum (UnitedHealth Group). Emerging players are Zus Health, League, Particle Health and 1upHealth. Direct peers are Innovaccer, Health Catalyst, Edifecs and Datavant.
Does Stellarus have an API?
No public API is recorded for Stellarus.
What industry is Stellarus in?
Stellarus's product category is Healthcare Data Platform. Its primary akta.pro industry code is HLACAIAI, FHIR/HL7 Data Repositories & Canonical Data Models, with a secondary code of HDAEABAD, Data Platform (Unified Data & Analytics) Suites. Its NAICS code is 541512 and its SIC code is 7372.