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GeneDx

Clinical genomics, rapid exome testing

Overview

GeneDx provides genetic testing and clinical genomics services to diagnose rare diseases. It collects DNA samples (cheek swab, blood, etc.), sequences the exome – the gene-rich part of the genome – and analyzes the data with a team of technical and clinical experts to generate comprehensive reports for patients, families, and healthcare providers. Its products, GenomeXpress and XomeDx Xpress, deliver genetic test results in as little as seven days, enabling faster clinical decisions. The company differentiates itself through a track record of sequencing more than 300,000 clinical patient exomes, a focus on rapid, accurate diagnostics, and added services like digital Patient Letters that help patients and families understand results. GeneDx aims to advance personalized medicine by providing timely, reliable genetic insights that improve patient outcomes and reduce healthcare costs.

Significant Headcount Growth

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About GeneDx

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

Industries

Data & AnalyticsBiotechnologyHealthcare

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

Gaithersburg, MD

Founded

2000

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What believers are saying

  • November 2026 Mirum partnership adds sponsored exome volume in cholestasis and PBD-ZSD.
  • GeneDx expanded Medicaid genome coverage to 25 states, including Arkansas and Utah.
  • Q3 2026 reimbursement rose 5% sequentially to $3,436, supporting 71% gross margins.

What critics are saying

  • November 9, 2026 guidance cut shows payer paperwork slows tests and cancels orders.
  • Basma class actions in Connecticut target Fabric Genomics disclosures and executive liability.
  • PAMA cuts plus heavier reimbursement controls threaten 2027 revenue and margin expansion.

What makes GeneDx unique

  • GeneDx owns a rare-disease dataset powering phenotype-driven exome and genome interpretation.
  • October 2026 long-read sequencing adds structural-variant detection beyond standard short-read testing.
  • Easy Order and provider report guides lower ordering friction for non-geneticist pediatricians.

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Funding

Total Funding

$1B

Above

Industry Average

Funded Over

8 Rounds

Private Placement Non VC funding comparison data is currently unavailable. We're working to provide this information soon!
Private Placement Non VC Funding Comparison Coming Soon

Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Unlimited Paid Time Off
  • 401(k) Retirement Plan
  • Employee Discounts
  • Voluntary benefits

Stock Price

Growth & Insights and Company News

6 month growth

0%

1 year growth

26%

2 year growth

27%
Yahoo Finance
Nov 10th, 2026
GeneDx shares fall 16.6% as testing volume misses and growth target is cut despite $123.1M in sales

GeneDx Holdings (NASDAQ:WGS) shares fell 16.6% on Tuesday, November 10, after the genetic testing company cut its growth target for the year. GeneDx reported third-quarter results on Monday. Sales rose 5% to $123.1 million, in line with Wall Street's expectations, and margins improved slightly. Testing volume fell short. The company delivered 32,134 exome and genome results, up 25%, against a promised 29.2% or more. Management said new upfront paperwork is screening out some lower-value orders in favour of better-paying ones. GeneDx kept its revenue forecast but lowered its volume growth target to a minimum of 28%. It is the second downward revision this year.

Wall Street Observer
Nov 10th, 2026
GeneDx earnings: WGS stock falls 13% after test volume outlook cut.

GeneDx earnings: WGS stock falls 13% after test volume outlook cut. WGS GeneDx Holdings Corp. 55.62 | -15.36% O 56.11 H 58.00 L 52.89 NEW YORK · 8:45am ET GeneDx Holdings Corp. (NASDAQ: WGS) shares fell 13.3% in pre-market trading on Nov. 10, 2026, after GeneDx earnings for the third quarter came with a lower outlook for exome and genome test volume. The genetic testing company kept its 2026 revenue forecast unchanged. WGS was trading at $57.00 as of 7:59 a.m. ET, compared with a Nov. 9 close of $65.72, according to Robinhood market data. The stock gained 5.4% in the regular session on Nov. 9, before the results came out, on volume of about 1.87 million shares, roughly twice its 30-day average. Why GeneDx stock fell after its outlook update. GeneDx now expects exome and genome test volume to grow at least 28% in 2026, down from its earlier forecast of at least 30%, according to the company's third-quarter earnings release, filed with the SEC on Nov. 9. It also cut its forecast for exome and genome revenue growth to at least 17% from at least 20%. The company reiterated full-year revenue guidance of $475 million to $490 million. It raised its adjusted gross margin forecast to about 71% from about 70%, and now expects adjusted net income of about $12 million after previously guiding only to a positive figure. GeneDx earnings by the numbers. * Revenue: $123.1 million, up 5% from $116.7 million a year earlier. * Exome and genome revenue: $110.4 million, up 12% from the year-ago quarter. * Test volume: 32,134 exome and genome results, up 25%, with accessions up 28%. * Adjusted gross margin: 72%, down from 74% in the third quarter of 2025. * Adjusted net income: $8.6 million, compared with $16.1 million a year earlier, alongside a GAAP net loss of $12.3 million. Adjusted earnings came to 28 cents per share, above the 7-cent consensus estimate listed in Robinhood earnings data. Chief Executive Katherine Stueland said in the release, "Our Q3 results reflect profitable execution in a growing market." What the guidance means for shareholders. The company also issued fourth-quarter targets. For the three months ending Dec. 31, 2026, GeneDx guided to revenue of $135 million, 34,500 exome and genome tests, exome and genome revenue of $121 million and adjusted gross margin of at least 71%. The company ended September with $171.1 million in cash, cash equivalents, marketable securities and restricted cash, according to the release. GeneDx had a market value of about $1.95 billion at the Nov. 9 close, based on Robinhood data. The pre-market price sits well inside the stock's 52-week range, which runs from a low of $32.21 on May 6, 2026, to a high of $170.87 on Dec. 2, 2025. Shares had closed at $85.93 on Sept. 28, 2026. Market data as of 7:59 ET on Nov. 10, 2026. This article is for informational purposes only and is not investment advice. More news on: WGS More On This

Yahoo Finance
Nov 10th, 2026
GeneDx posts $123.1M Q3 revenue, raises profit outlook but cuts volume growth forecast

GeneDx (NASDAQ:WGS) reported third-quarter revenue of $123.1 million and raised its full-year profit outlook, but cut its test volume growth forecast. Adjusted gross margin was 72%, and adjusted net income was $8.6 million. New payer-documentation rules, meant to improve reimbursement, have slowed test starts and raised cancellations, downgrades and delays. Average reimbursement rose about 5% from the second quarter to $3,436 per test. The company now expects full-year adjusted gross margin of about 71% and adjusted net income of at least $12 million. It expects revenue at the low end of its $475 million–$490 million range. Management also expects a mid-single-digit revenue headwind in 2027 from the Protecting Access to Medicare Act.

The Markets Daily
Nov 10th, 2026
GeneDx Q3 earnings call highlights.

GeneDx Q3 earnings call highlights. GeneDx (NASDAQ:WGS) reported third-quarter revenue of $123.1 million and raised its full-year profitability outlook, even as new documentation requirements led the genetic testing company to lower its expectations for test volume growth. Management said the company is requiring more payer documentation before genome testing begins, a change intended to improve reimbursement but one that has slowed the movement of some orders through the lab. Chief Executive Officer Katherine Stueland said demand remained strong and described the changes as part of a push toward profitable growth. GeneDx resulted more than 32,100 exome and genome tests in the quarter ended Sept. 30, 2026. Adjusted gross margin rose to 72%, while adjusted net income was $8.6 million. Reimbursement improvements slow test processing. GeneDx's blended average reimbursement rate increased approximately 5% from the second quarter to $3,436 per test. Chief Financial Officer Kevin Feeley attributed the improvement to better genome collections and a shift in the testing mix toward exome, which has a higher average contracted rate and reimbursement rate. President Mark Gardner said the company's review found that 62% of exome and genome denials were administrative or procedural, while the remaining 38% involved clinical necessity disputes or patients not covered by payer policies. Collecting documentation earlier can delay the start of testing and contributed to higher rates of order cancellations, downgrades and delayed starts, Gardner said. Accessions grew 28% year over year in the quarter, compared with 25% growth in reported test volume. During the question-and-answer session, Gardner said much of the gap reflected tests delayed by a few days rather than permanently lost volume. Feeley said he expected substantially all of the difference to move through the process over time, though not necessarily within one quarter. The underlying outpatient genome collection rate rose to 36% from 32% in the second quarter. The exome collection rate remained approximately 32%. Feeley said some of the genome improvement reflected health plans following Carelon's expanded coverage policy, while the contribution from Medi-Cal was smaller. Stueland said the documentation impact was concentrated among genetics customers, who are more likely to order genome tests. Feeley said orders received electronically, primarily through Epic, showed better document collection and reimbursement results than other orders. Profit outlook raised as volume growth forecast adjusted. GeneDx raised its full-year adjusted gross margin guidance to approximately 71% and its adjusted net income outlook to at least $12 million. It reaffirmed its revenue forecast of $475 million to $490 million but said it expected results at the low end of that range. The company adjusted its full-year exome and genome volume growth expectation to at least 28% and its exome and genome revenue growth expectation to at least 17%. For the fourth quarter, GeneDx projected total revenue of at least $135 million, including $121 million in exome and genome revenue on 34,500 resulted tests. It also forecast an average reimbursement rate of approximately $3,500 per test, adjusted gross margin of at least 71% and adjusted net income of approximately $12 million. Management did not provide formal 2027 guidance. Feeley said approximately 45% of total revenue is exposed to changes under the Protecting Access to Medicare Act, or PAMA, and that the company expects a mid-single-digit headwind to total revenue next year. He said improved collections could offset or more than offset that pressure. Genome costs and new markets in focus. Genome testing represented 26% of outpatient insurance-based volume in the third quarter, down from 32% in the second quarter. Feeley said the shift was deliberate near-term mix management, not an effort to minimize genome use. He expects genome's share to rise again as product enhancements and unit economics improve. Genome cost per test fell 43% from a year earlier, although it remained significantly higher than exome cost, Feeley said. The company sees a path to reduce genome cost per test by at least several hundred dollars over the next several quarters through lower reagent costs and, over a longer period, greater use of artificial intelligence and machine learning. GeneDx is also expanding beyond its core geneticist and pediatric neurologist customers. Gardner said the general pediatrician sales team, which entered the field in February, is already paying for itself. He clarified that management expects general pediatrics to contribute more unit volume growth in 2027 than any other individual segment, not more than all other segments combined. Gardner also said prenatal and neonatal intensive care markets were growing faster than the company overall. GeneDx recently launched an early-access program for long-read sequencing and is working with clinical experts on criteria for using the technology, he said. About GeneDx (NASDAQ:WGS). GeneDx is a genomic testing company focused on helping clinicians diagnose rare and inherited conditions. Its services include whole exome and whole genome sequencing, along with other genetic tests and clinical interpretation of results. The company's testing is used by healthcare providers to support diagnosis and care decisions, particularly for patients with suspected rare genetic disorders. GeneDx also offers testing related to hereditary cancer risk. Founded in 2000 by researchers with experience at the National Institutes of Health, GeneDx has developed its business around applying genomic information in clinical care.

Yahoo Finance
Nov 7th, 2026
Mirum funds free exome testing with GeneDx, which targets $795.7M revenue by 2029

Mirum Pharmaceuticals has partnered with GeneDx Holdings to offer fully sponsored ExomeDx testing and genetic counselling for patients in its cholestasis, early-onset cataracts, and PBD-ZSD programmes. No insurance claims will be filed for eligible patients. The deal could raise GeneDx's test volumes, clinician contacts, and data collection in rare disease diagnostics without direct cost to patients. GeneDx currently reports a loss of $106.4 million on revenue of $454.4 million. Its near-term outlook still depends on reimbursement and collections, with outpatient realisation near 32% for genome claims. Payer cost controls or weak collection workflows remain the main risk. Analysts forecast revenue of $795.7 million and earnings of $29.2 million by 2029, based on 20.5% annual revenue growth.

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