Oscar Health, Inc.

Oscar sells ACA individual health-insurance plans, collects premiums from members and mostly from federal subsidies, pays medical claims, and uses its technology, broker and enrollment platforms to acquire and serve members.

Ticker

OSCR

Company

Oscar Health, Inc.

Exchange

NYSE

Listing

listed

Sector

Health Insurance / Digital Health

The bull case is that Oscar can pair rapid individual-market membership growth with better pricing, lower medical and administrative ratios, then add ICHRA, Lucie and +Oscar as higher-value distribution and technology layers. The countercase is that almost all reported revenue still comes from regulated insurance premiums, while risk adjustment, subsidy policy, medical-cost estimation and capital restrictions can move earnings violently.S1S2S3S4S6S7S8S9

• Oscar Health, Inc. is listed on the New York Stock Exchange under OSCR. Its core business is selling individual-market health plans under the ACA; it also operates +Oscar technology services, the Lucie enrollment marketplace, brokerage assets and ICHRA-related distribution capabilities.S1S6S7
• Oscar offered individual and family coverage in 18 states for policy year 2025 and expanded to 20 states for 2026. Its plans are sold on and off government health-insurance marketplaces, and employees can also buy them when an employer funds an ICHRA.S1
• The revenue mix is insurance-heavy, not software-heavy. Approximately 98% of 2025 revenue came from ACA-regulated health plans. The company says 93% of 2025 premiums were earned directly from CMS and 7% from members; Q1 2026 reported $4.581 billion of premium revenue, $60.6 million of investment income and $5.7 million of other revenue.S1S2S3
• Oscar ended March 2026 with 3,174,489 effectuated members versus 2,039,467 a year earlier. The comparison is not perfectly like-for-like because the 2025 figure included small-group and Cigna+Oscar members that were no longer offered in 2026.S2S3
• Q1 2026 total revenue was $4.647 billion versus $3.046 billion in Q1 2025. Operating income was $704.1 million, net income attributable to Oscar was $679.0 million and diluted EPS was $2.07.S2S3
• Q1 2026 medical loss ratio was 70.5% versus 75.4% a year earlier, while the SG&A ratio fell to 15.2% from 15.8%. Oscar says the MLR comparison included $68 million of favorable prior-period reserve development in 2026 versus $31 million of unfavorable development in 2025.S2S3
• Oscar reported Q1 adjusted EBITDA of $727.1 million, but that is a company-defined non-GAAP measure. The reconciliation starts from $679.0 million of GAAP net income and adds interest, tax, depreciation and amortization, and $16.0 million of stock-based compensation, among other listed items.S3
• Risk adjustment is a major moving estimate, not a settled invoice. Oscar records estimated state-level receivables or payables as an adjustment to premium revenue and can wait up to twelve months for final CMS reporting; the Q1 filing says actual transfers have materially differed from assumptions in the past.S2
• Q1 operating cash flow was $2.619 billion, but the same cash-flow statement includes a $1.993 billion increase in payables to CMS. The quarter-end balance sheet showed $4.805 billion of cash, $1.995 billion of short-term investments and $4.723 billion payable to CMS.S2S3
• Most group cash is held inside regulated insurers. At March 31, Oscar's health-insurance subsidiaries held $7.8 billion of cash and investments, while the parent and non-insurance entities held $279.2 million; $9.6 million of the latter amount was restricted.S2
• Oscar estimated that its insurance subsidiaries had $1.7 billion of combined statutory capital and surplus at March 31, 2026 and about $809 million above the aggregate minimum risk-based-capital requirement. That capital remains inside regulated entities and is not the same as unrestricted parent cash.S2
• Management's full-year 2026 outlook is $18.7 billion to $19.0 billion of total revenue, an 82.4% to 83.4% MLR, a 15.8% to 16.3% SG&A ratio and $250 million to $450 million of operating income. Oscar reaffirmed that forecast in May and again on June 8; it remains guidance, not achieved performance.S3S4S10
• The prior year shows why one strong quarter does not settle the story. Fiscal 2025 revenue was $11.701 billion, but operating loss was $396.4 million, net loss attributable to Oscar was $443.2 million and Q4 alone produced a $333.7 million operating loss.S1S4
• +Oscar's Campaign Builder served nearly 0.6 million client lives at December 31, 2025, in addition to about 2.0 million Oscar insurance members. The filing does not disclose +Oscar as a separate reportable revenue segment, and substantially all company revenue still came from direct policy premiums.S1
• Oscar launched Lucie Health Marketplace in April 2026 as a storefront for individual-market plans and supplemental products. CMS separately lists Lucie as an approved web-broker that hosts an Enhanced Direct Enrollment platform; CMS, not Lucie, retains responsibility for Exchange eligibility decisions.S6S7
• The vast majority of Oscar membership is acquired through brokers. The company says brokers typically use Enhanced Direct Enrollment platforms and that commissions and bonus structures affect its ability to compete for enrollment.S1
• Oscar entered a $475 million secured revolving-credit facility maturing in February 2029, with an option to request up to $100 million more subject to conditions. Initial Term SOFR pricing was plus 4.50%, and the facility is backed by guarantees and substantially all assets of the loan parties.S5
• Oscar has one-vote Class A shares and 20-vote Class B shares. At December 31, 2025, Class B holders beneficially owned 16.6% of outstanding capital stock but held 76.1% of voting power under the filing's stated assumptions; the Class B shares automatically convert by March 2, 2028 if not converted earlier.S1S11
• CMS's plan-year 2026 integrity rule tightened income and special-enrollment verification, changed zero-premium automatic reenrollment and removed the low-income monthly special-enrollment period. CMS's 2027 final rule adds further verification, risk-adjustment and plan-design changes. Neither rule quantifies the net effect on Oscar.S8S9

• narrativeBull-case interpretation: better pricing, scale and fixed-cost leverage could turn Oscar's large individual-market membership base into durable earnings. Q1 2026 supports that possibility, but the full-year guide is the fairer test because insurance results are seasonal and reserve estimates move.
• narrativeOptionality interpretation: ICHRA, Lucie and +Oscar could make Oscar more than an ACA carrier by adding distribution and technology economics. Today that is still a thesis, because reported revenue remains overwhelmingly insurance premiums and the company does not disclose a standalone +Oscar profit pool.
• narrativeBear-case interpretation: the expiry of enhanced subsidies, tighter eligibility checks and a changing risk pool could reduce enrollment or worsen morbidity faster than rate increases can compensate. The size and direction of that effect are not yet quantifiable from the cited sources.
• narrativeQuality-of-earnings interpretation: Q1's headline profit and cash flow look exceptional, but favorable reserve development, large CMS accrual movements and insurer-level capital restrictions mean neither number should be annualized mechanically.

• ▸Oscar remains concentrated in ACA insurance. Approximately 98% of 2025 revenue came from ACA-regulated health plans, and about 97% of members' direct policy premiums were subsidized by APTCs. Subsidy, eligibility or Marketplace rule changes can therefore hit membership, pricing and risk mix together.S1S8S9
• ▸Risk adjustment can reverse an apparently strong underwriting picture. Oscar estimates its relative risk before final CMS data arrive, and its 2025 estimate changes contributed to a large payable increase and operating loss.S1S2
• ▸Q1 is seasonally flattering for an ACA insurer. Medical utilization, plan mix, special-enrollment activity and risk adjustment develop through the year; management's full-year operating-income guide is below reported Q1 operating income.S2S3S4
• ▸Rapid membership growth increases execution risk. Claims processing, medical-cost estimation, broker commissions, provider-network adequacy and regulatory capital all have to scale with enrollment.S1S2
• ▸The expiry of enhanced premium tax credits and tighter program-integrity rules can remove members or change the health mix of the remaining pool. Oscar said both factors reduced Marketplace participation and its membership after the 2026 open-enrollment period.S2S8
• ▸Most cash and investments are held by regulated insurance subsidiaries. State capital rules and dividend approvals can limit how much reaches the parent, so consolidated cash is not freely deployable corporate cash.S1S2
• ▸Florida represented 1,179,934 of Oscar's 2,042,449 year-end 2025 members, followed by Texas and Georgia. Pricing, competition, regulation or provider disruption in a few states can therefore matter disproportionately.S1
• ▸Oscar relies heavily on brokers and on selected provider networks. Higher broker compensation, lost broker relationships, provider contract changes or narrower network perception can pressure growth and margins.S1
• ▸The secured revolver adds liquidity but also carries a high spread, financial covenants and collateral claims. A default or covenant problem could restrict flexibility and expose pledged assets.S5
• ▸Dual-class voting limits outside shareholder influence. Class B holders controlled most voting power at year-end 2025 despite owning a much smaller share of total capital stock.S1S11
• ▸Lucie, ICHRA and +Oscar may diversify the story, but integrations, CMS oversight and commercialization are execution tasks, not booked software economics. The Q1 2026 other-revenue line was only $5.7 million and is not disclosed as pure technology revenue.S1S2S6S7
• ▸This explainer uses the latest filed quarter available on August 2, 2026, Q1 2026. Q2 results were not yet in the cited SEC record, so later medical-cost, risk-adjustment or guidance changes are outside this snapshot.S2S10

ACA

— The Affordable Care Act, the federal framework governing the individual health-insurance marketplaces where Oscar sells most of its plans.

APTC

— Advance Premium Tax Credit, a federal subsidy paid toward an eligible member's Marketplace premium.

eAPTC

— The temporarily enhanced version of APTC that increased subsidy levels through the end of 2025.

MLR

— Medical loss ratio, net medical claims divided by net premiums before ceded quota-share reinsurance. Lower is usually better for underwriting, but reserve and risk-adjustment estimates matter.

Risk adjustment

— A CMS program that moves money between plans based on members' relative expected health risk, reducing incentives to target only healthier people.

Morbidity

— The expected sickness and medical-cost level of an insured population.

OEP

— Open Enrollment Period, the annual window when consumers can select individual-market coverage for the next plan year.

SEP

— Special Enrollment Period, a route to enroll outside open enrollment after qualifying events or under specific eligibility rules.

ICHRA

— Individual Coverage Health Reimbursement Arrangement, an employer-funded allowance employees can use to buy individual-market insurance.

EDE

— Enhanced Direct Enrollment, a CMS-approved pathway that lets an issuer or web-broker host the Marketplace application and enrollment flow on its own site.

Effectuated member

— A person actively enrolled whose required premium has been paid or remains within the payment grace period.

Premium revenue

— Insurance revenue recognized for providing coverage, net of risk-adjustment transfers and separate from investment or other revenue.

Favorable prior-period development

— A reduction in previously estimated claim liabilities because actual older-period claims developed better than expected.

Statutory capital

— Capital held inside regulated insurance subsidiaries to satisfy state solvency requirements. It is not automatically available to the parent company.

RBC

— Risk-based capital, a regulatory framework that scales an insurer's minimum capital requirement to its business and asset risks.

SG&A ratio

— Selling, general and administrative expense divided by total revenue net of risk-adjustment transfers.

Quota-share reinsurance

— An arrangement in which another insurer takes an agreed share of premiums and claims, often reducing the capital the primary insurer must hold.

Controlled company

— An NYSE governance category for a company where more than half of voting power is held by one person, group or company.

+Oscar

— Oscar's technology-services platform, including Campaign Builder for engagement and recommendation workflows used by providers and payors.

Lucie

— Oscar's web-broker and enrollment marketplace, listed by CMS as an approved entity hosting an EDE platform.