SAN FRANCISCO, July 31, 2025 (GLOBE NEWSWIRE) -- iRhythm Technologies, Inc. (NASDAQ:IRTC), a leading digital health care company focused on creating trusted solutions that detect, predict, and prevent disease, today reported financial results for the three months ended June 30, 2025.

Second Quarter 2025 Financial Highlights

Revenue of $186.7 million, a 26.1% increase compared to second quarter 2024
Gross margin of 71.2%, a 130-basis point increase compared to second quarter 2024
Unrestricted cash, cash equivalents, and marketable securities of $545.5 million as of June 30, 2025
Increased fiscal year 2025 guidance for revenue and adjusted EBITDA

Recent Operational Highlights

Second quarter 2025 record quarterly revenue driven by continued momentum in our core long-term continuous monitoring business, sustained demand for Zio AT, progress within innovative value-based care accounts, and contribution from international markets
Executed strategic partnership with Lucem Health, a leader in AI-driven early disease detection, to accelerate early identification of undiagnosed arrhythmias in patient populations with comorbid conditions, a bold step toward predictive, preventive, and precise care that is powered by AI, informed by data, and designed for scale¹
Results from two large-scale real-world studies presented at the American Diabetes Association's 85th Scientific Sessions (ADA 2025) demonstrated that cardiac arrhythmias present frequent, early, and often preceding major cardiovascular events (MACE), highlighting a critical opportunity to enhance early detection strategies in at-risk cardiometabolic populations

"The second quarter of 2025 was another record quarter for iRhythm, with growth of more than 26%, showcasing the strength of our diversified growth strategy," said Quentin Blackford, President and Chief Executive Officer of iRhythm. "Our continued momentum spans three key areas: accelerating growth in our core monitoring business, continued penetration of Zio AT across major health systems, and successful expansion with innovative value-based care partners. With strong execution, combined with our transformative AI partnership with Lucem Health and the growing abundance of compelling clinical evidence, we're uniquely positioned to revolutionize early cardiac detection and create substantial value for patients, providers, and shareholders while addressing the growing need for preventative care."

Second Quarter Financial Results

Revenue for the second quarter of 2025 was $186.7 million, up 26.1% from $148.0 million during the same period in 2024. The increase was driven by growth in demand for Zio services within core existing accounts, from continued market penetration of Zio AT, and at new innovative channel partners.

Gross profit for the second quarter of 2025 was $132.9 million, up 28.4% from $103.5 million during the same period in 2024, while gross margin was 71.2%, up from 69.9% during the same period in 2024. The increase in gross profit was primarily due to increased volume of Zio services provided due to higher demand. The increase in gross margin was primarily due to volume leverage as well as operational efficiencies, partially offset by an increased blended cost per unit from a higher Zio AT product mix.

Operating expenses for the second quarter of 2025 were $151.6 million, compared to $126.5 million for the same period in 2024. Adjusted operating expenses for the second quarter of 2025 were $145.2 million, compared to $125.2 million during the same period in 2024. The increase in adjusted operating expenses was primarily driven by funding of new and sustaining development activities as well as incremental costs to serve a growing volume of patients globally.

Net loss for the second quarter of 2025 was $14.2 million, or a diluted loss of $0.44 per share, compared with net loss of $20.1 million, or a diluted loss of $0.65 per share, for the same period in 2024. Adjusted net loss for the second quarter of 2025 was $10.2 million, or a diluted loss of $0.32 per share, compared with an adjusted net loss of $18.8 million, or a diluted loss of $0.61 per share, for the same period in 2024. The decrease in net loss was primarily driven by our revenue growth and operating leverage achieved through implementation of efficiency initiatives.

Unrestricted cash, cash equivalents, and marketable securities were $545.5 million as of June 30, 2025.

2025 Annual Guidance

iRhythm projects revenue for the full year 2025 between $720 million to $730 million. Adjusted EBITDA margin for the full year 2025 is expected to range from approximately 8.0% to 8.5% of revenues.

Webcast and Conference Call Information

iRhythm's management team will host a conference call today beginning at 1:30 p.m. PT/4:30 p.m. ET. Interested parties may access a live and archived webcast of the presentation on the "Events & Presentations" section of the company's investor website at investors.irhythmtech.com.

About iRhythm Technologies, Inc.

iRhythm is a leading digital health care company that creates trusted solutions that detect, predict, and prevent disease. Combining wearable biosensors and cloud-based data analytics with powerful proprietary algorithms, iRhythm distills data from millions of heartbeats into clinically actionable information. Through a relentless focus on patient care, iRhythm's vision is to deliver better data, better insights, and better health for all.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current year presentation. These reclassifications have no impact on previously reported results of operations or financial position.

Use of Non-GAAP Financial Measures

We refer to certain financial measures that are not recognized under U.S. generally accepted accounting principles (GAAP) in this press release, including adjusted EBITDA, adjusted net loss, adjusted net loss per share and adjusted operating expenses. We use these non-GAAP financial measures for financial and operational decision-making and as a means to evaluate period-to-period comparisons. See the schedules attached to this press release for additional information and reconciliations of such non-GAAP financial measures. We have not reconciled our adjusted operating expenses and adjusted EBITDA margin estimates for full year 2025 because certain items that impact these figures are uncertain or out of our control and cannot be reasonably predicted. Accordingly, a reconciliation of adjusted operating expenses and adjusted EBITDA estimates is not available without unreasonable effort.

Adjusted EBITDA excludes non-cash operating charges for stock-based compensation expense, changes in fair value of strategic investments, impairment and restructuring charges, business transformation costs, certain intellectual property litigation expenses and settlements, and loss on extinguishment of debt. Business transformation costs include costs associated with professional services, employee termination and relocation, third-party merger and acquisition, integration, and other costs to augment and restructure the organization, inclusive of both outsourced and offshore resources.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. An investor can identify these statements by the fact that they do not relate strictly to historical or current facts. They use words such as ‘anticipate', ‘estimate', ‘expect', ‘intend', ‘will', ‘project', ‘plan', ‘believe', ‘target' and other words and terms of similar meaning in connection with any discussion of future actions or operating or financial performance. In particular, these statements include statements regarding financial guidance, market opportunity, ability to penetrate the market, international market expansion, anticipated productivity and quality improvements, and expectations for growth. Such statements are based on current assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially. These risks and uncertainties, many of which are beyond our control, include risks described in the section entitled "Risk Factors" and elsewhere in our filings made with the Securities and Exchange Commission, including those on the Form 10-Q expected to be filed on or about July 31, 2025. These forward-looking statements speak only as of the date hereof and should not be unduly relied upon. iRhythm disclaims any obligation to update these forward-looking statements.

Investor Contact

Stephanie Zhadkevich

investors@irhythmtech.com

Media Contact

Kassandra Perry

irhythm@highwirepr.com

The predictive-AI solution does not represent the functionality of any Zio branded medical device.

IRHYTHM TECHNOLOGIES, INC.
Condensed Consolidated Balance Sheets (In thousands, except par value) (unaudited)

	June 30, 2025			December 31, 2024
Assets
Current assets:
Cash and cash equivalents	$	309,105		$	419,597
Marketable securities		236,435			115,956
Accounts receivable, net		82,153			79,941
Inventory		18,399			14,039
Prepaid expenses and other current assets		17,825			16,286
Total current assets		663,917			645,819
Property and equipment, net		139,703			125,092
Operating lease right-of-use assets		44,749			47,564
Restricted cash		8,358			8,358
Goodwill		862			862
Long-term strategic investments		64,897			61,902
Other assets		41,544			41,852
Total assets	$	964,030		$	931,449
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable	$	12,775		$	7,221
Accrued liabilities		99,577			84,900
Deferred revenue		3,499			2,932
Operating lease liabilities, current portion		16,360			15,867
Total current liabilities		132,211			110,920
Long-term senior convertible notes		648,007			646,443
Other noncurrent liabilities		9,775			8,579
Operating lease liabilities, noncurrent portion		70,377			74,599
Total liabilities		860,370			840,541
Stockholders' equity:
Preferred stock, $0.001 par value – 5,000 shares authorized; none issued and outstanding at June 30, 2025 and December 31, 2024		—			—
Common stock, $0.001 par value – 100,000 shares authorized; 32,334 shares issued and 32,105 shares outstanding at June 30, 2025, respectively; and 31,621 shares issued and 31,392 shares outstanding at December 31, 2024, respectively		32			31
Additional paid-in capital		932,467			874,607
Accumulated other comprehensive (loss) income		(26	)		165
Accumulated deficit		(803,813	)		(758,895	)
Treasury stock, at cost; 229 shares at June 30, 2025 and December 31, 2024		(25,000	)		(25,000	)
Total stockholders' equity		103,660			90,908
Total liabilities and stockholders' equity	$	964,030		$	931,449

IRHYTHM TECHNOLOGIES, INC. Condensed Consolidated Statements of Operations (In thousands, except per share data) (unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
		2025			2024			2025			2024
Revenue, net	$	186,687		$	148,047		$	345,364		$	279,976
Cost of revenue		53,830			44,576			103,291			88,989
Gross profit		132,857			103,471			242,073			190,987
Operating expenses:
Research and development		21,012			19,690			42,531			36,684
Acquired in-process research and development		1,698			—			1,994			—
Selling, general and administrative		126,376			106,762			246,333			215,422
Impairment charges		2,479			—			2,479			—
Total operating expenses		151,565			126,452			293,337			252,106
Loss from operations		(18,708	)		(22,981	)		(51,264	)		(61,119	)
Interest and other income (expense), net:
Interest income		5,321			6,685			10,240			9,742
Interest expense		(3,278	)		(3,312	)		(6,551	)		(6,172	)
Loss on extinguishment of debt		—			—			—			(7,589	)
Other income (expense), net		2,264			(305	)		3,139			(410	)
Total interest and other income (expense), net		4,307			3,068			6,828			(4,429	)
Loss before income taxes		(14,401	)		(19,913	)		(44,436	)		(65,548	)
Income tax (benefit) provision		(183	)		194			482			226
Net loss	$	(14,218	)	$	(20,107	)	$	(44,918	)	$	(65,774	)
Net loss per common share, basic and diluted	$	(0.44	)	$	(0.65	)	$	(1.41	)	$	(2.12	)
Weighted-average shares, basic and diluted		31,990			31,145			31,791			31,089

IRHYTHM TECHNOLOGIES, INC. Reconciliation of GAAP to Non-GAAP Financial Information (in thousands, except per share data) (unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
		2025			2024			2025			2024
Adjusted EBITDA reconciliation*
Net loss, as reported¹	$	(14,218	)	$	(20,107	)	$	(44,918	)	$	(65,774	)
Interest expense		3,278			3,312			6,551			6,172
Interest income		(5,321	)		(6,685	)		(10,240	)		(9,742	)
Changes in fair value of strategic investments		(2,152	)		—			(2,995	)		—
Income tax (benefit) provision		(183	)		194			482			226
Depreciation and amortization		5,105			5,160			10,315			10,291
Stock-based compensation		22,827			21,821			46,171			42,812
Impairment charges		2,479			—			2,479			—
Business transformation costs		925			1,296			1,428			1,296
Intellectual property litigation costs²		2,956			—			3,788			—
Loss on extinguishment of debt		—			—			—			7,589
Adjusted EBITDA	$	15,696		$	4,991		$	13,061		$	(7,130	)

Adjusted net loss reconciliation*
Net loss, as reported¹	$	(14,218	)	$	(20,107	)	$	(44,918	)	$	(65,774	)
Impairment charges		2,479			—			2,479			—
Business transformation costs		925			1,296			1,428			1,296
Intellectual property litigation costs²		2,956			—			3,788			—
Changes in fair value of strategic investments		(2,152	)		—			(2,995	)		—
Loss on extinguishment of debt		—			—			—			7,589
Tax effect of adjustments³		(214	)		—			(305	)		—
Adjusted net loss	$	(10,224	)	$	(18,811	)	$	(40,523	)	$	(56,889	)

Adjusted net loss per share reconciliation*
Net loss per share, as reported¹	$	(0.44	)	$	(0.65	)	$	(1.41	)	$	(2.12	)
Impairment charges per share		0.08			—			0.08			—
Business transformation costs per share		0.03			0.04			0.04			0.04
Intellectual property litigation costs per share²		0.09			—			0.12			—
Changes in fair value of strategic investments per share		(0.07	)		—			(0.09	)		—
Loss on extinguishment of debt per share		—			—			—			0.24
Tax effect of adjustments per share³		(0.01	)		—			(0.01	)		—
Adjusted net loss per share	$	(0.32	)	$	(0.61	)	$	(1.27	)	$	(1.84	)
Weighted-average shares, basic and diluted		31,990			31,145			31,791			31,089

	Three Months Ended June 30,						Six Months Ended June 30,
		2025			2024			2025			2024
Adjusted operating expenses reconciliation*
Operating expenses, as reported	$	151,565		$	126,452		$	293,337		$	252,106
Impairment charges		(2,479	)		—			(2,479	)		—
Business transformation costs		(925	)		(1,296	)		(1,428	)		(1,296	)
Intellectual property litigation costs²		(2,956	)		—			(3,788	)		—
Adjusted operating expenses	$	145,205		$	125,156		$	285,642		$	250,810

_{*Certain numbers expressed may not sum due to rounding.}

_{¹ Net loss for the three and six months ended June 30, 2025 includes $1.7 million and $2.0 million of acquired in-process research and development expense, respectively.}

_{² Excludes third-party attorneys' fees and expenses associated with patent litigation brought against the Company by Welch Allyn, Inc. and Bardy Diagnostics, Inc., subsidiaries of Baxter International, Inc.}

_{³ Income tax impact of Non-GAAP adjustments listed.}

iRhythm Technologies Announces Second Quarter 2025 Financial Results