Tearsheet

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 13%
Meaningful short interest
Short Interest Days-to-CoverDTC = (Short Interest Share Quantity) / (Average Daily Trading Volume). Reflects how many days it would take to cover (close out) the short interest based on average volumes. High DTC can signify an increased risk of a short squeeze. is 12.4
Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 55x
1 Low stock price volatility
Vol 12M is 44%
  Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -4.5%
2 Megatrend and thematic drivers
Megatrends include Digital Health & Telemedicine, and Precision Medicine. Themes include Health Data Analytics, AI in Healthcare Management, Show more.
  Key risks
RDNT key risks include [1] allegations from a short report challenging the legitimacy of its AI business, Show more.
0 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 13%
1 Low stock price volatility
Vol 12M is 44%
2 Megatrend and thematic drivers
Megatrends include Digital Health & Telemedicine, and Precision Medicine. Themes include Health Data Analytics, AI in Healthcare Management, Show more.
3 Meaningful short interest
Short Interest Days-to-CoverDTC = (Short Interest Share Quantity) / (Average Daily Trading Volume). Reflects how many days it would take to cover (close out) the short interest based on average volumes. High DTC can signify an increased risk of a short squeeze. is 12.4
4 Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 55x
5 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -4.5%
6 Key risks
RDNT key risks include [1] allegations from a short report challenging the legitimacy of its AI business, Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

RadNet (RDNT) stock has lost about 10% since 10/31/2025 because of the following key factors:

1. Significant Miss in Q3 2025 Statutory Earnings Per Share

RadNet reported its third-quarter 2025 results on November 10, 2025. While revenue surpassed expectations, the statutory earnings per share (EPS) of $0.07 missed analyst estimates of $0.20 by a substantial 65%, contributing to a 6.9% decline in shares in the week following the report.

2. Negative Impact from a Short Report

On December 16, 2025, RadNet's stock price experienced an 8% decline following the release of a short report by Hunterbrook Capital. The report specifically highlighted concerns regarding the company's profitability and operational efficiency.

Show more

Stock Movement Drivers

Fundamental Drivers

The -8.5% change in RDNT stock from 10/31/2025 to 2/15/2026 was primarily driven by a -9.5% change in the company's P/S Multiple.
(LTM values as of)103120252152026Change
Stock Price ($)75.9969.54-8.5%
Change Contribution By: 
Total Revenues ($ Mil)1,9081,9703.2%
P/S Multiple3.02.7-9.5%
Shares Outstanding (Mil)7476-2.1%
Cumulative Contribution-8.5%

LTM = Last Twelve Months as of date shown

Market Drivers

10/31/2025 to 2/15/2026
ReturnCorrelation
RDNT-8.5% 
Market (SPY)-0.0%45.3%
Sector (XLV)9.3%30.7%

Fundamental Drivers

The 27.1% change in RDNT stock from 7/31/2025 to 2/15/2026 was primarily driven by a 23.1% change in the company's P/S Multiple.
(LTM values as of)73120252152026Change
Stock Price ($)54.7369.5427.1%
Change Contribution By: 
Total Revenues ($ Mil)1,8691,9705.4%
P/S Multiple2.22.723.1%
Shares Outstanding (Mil)7476-2.1%
Cumulative Contribution27.1%

LTM = Last Twelve Months as of date shown

Market Drivers

7/31/2025 to 2/15/2026
ReturnCorrelation
RDNT27.1% 
Market (SPY)8.2%34.5%
Sector (XLV)21.4%32.5%

Fundamental Drivers

The 6.2% change in RDNT stock from 1/31/2025 to 2/15/2026 was primarily driven by a 11.1% change in the company's Total Revenues ($ Mil).
(LTM values as of)13120252152026Change
Stock Price ($)65.4769.546.2%
Change Contribution By: 
Total Revenues ($ Mil)1,7731,97011.1%
P/S Multiple2.72.7-1.2%
Shares Outstanding (Mil)7376-3.2%
Cumulative Contribution6.2%

LTM = Last Twelve Months as of date shown

Market Drivers

1/31/2025 to 2/15/2026
ReturnCorrelation
RDNT6.2% 
Market (SPY)14.3%49.3%
Sector (XLV)8.8%35.9%

Fundamental Drivers

The 230.4% change in RDNT stock from 1/31/2023 to 2/15/2026 was primarily driven by a 209.7% change in the company's P/S Multiple.
(LTM values as of)13120232152026Change
Stock Price ($)21.0569.54230.4%
Change Contribution By: 
Total Revenues ($ Mil)1,3791,97042.8%
P/S Multiple0.92.7209.7%
Shares Outstanding (Mil)5776-25.3%
Cumulative Contribution230.4%

LTM = Last Twelve Months as of date shown

Market Drivers

1/31/2023 to 2/15/2026
ReturnCorrelation
RDNT230.4% 
Market (SPY)74.0%44.4%
Sector (XLV)23.7%31.3%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
RDNT Return54%-37%85%101%2%-9%233%
Peers Return30%3%-8%0%20%8%58%
S&P 500 Return27%-19%24%23%16%-0%82%

Monthly Win Rates [3]
RDNT Win Rate67%33%83%75%42%0% 
Peers Win Rate60%52%40%52%62%70% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
RDNT Max Drawdown-9%-50%-3%-3%-34%-10% 
Peers Max Drawdown-9%-21%-23%-17%-9%-3% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-1% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: ADUS, CVS, CI, LH, DGX.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 2/13/2026 (YTD)

How Low Can It Go

Unique KeyEventRDNTS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-60.2%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven151.5%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven439 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-73.4%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven276.3%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven356 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-38.3%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven62.1%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven307 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-91.2%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven1036.6%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven3,101 days1,480 days

Compare to ADUS, CVS, CI, LH, DGX

In The Past

RadNet's stock fell -60.2% during the 2022 Inflation Shock from a high on 8/6/2021. A -60.2% loss requires a 151.5% gain to breakeven.

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About RadNet (RDNT)

RadNet, Inc., together with its subsidiaries, provides outpatient diagnostic imaging services in the United States. Its services include magnetic resonance imaging, computed tomography, positron emission tomography, nuclear medicine, mammography, ultrasound, diagnostic radiology, fluoroscopy, and other related procedures, as well as multi-modality imaging services. The company also develops and sells computerized systems for the diagnostic imaging industry, including picture archiving communications systems and related services; and develops and deploys AI suites to enhance radiologist interpretation of images in the field of mammography, as well as AI solutions for lung and prostate cancer. As of December 31, 2021, it owned and managed 347 centers in Arizona, California, Delaware, Florida, Maryland, New Jersey, and New York. The company was founded in 1981 and is headquartered in Los Angeles, California.

AI Analysis | Feedback

Here are 1-2 brief analogies to describe RadNet (RDNT):

  • Quest Diagnostics for diagnostic imaging services: RadNet operates a large national network of outpatient diagnostic imaging centers (MRI, CT, X-ray, mammography), similar to how Quest Diagnostics operates a vast network of clinical laboratories.
  • DaVita for radiology centers: Like DaVita manages a nationwide chain of specialized outpatient dialysis clinics, RadNet runs a widespread network of dedicated facilities for medical imaging scans.

AI Analysis | Feedback

  • Outpatient Diagnostic Imaging Services: Provides a comprehensive suite of diagnostic imaging procedures, including MRI, CT, X-ray, ultrasound, mammography, and PET/CT, primarily in an outpatient setting.
  • Interventional Radiology Services: Offers minimally invasive, image-guided procedures used to diagnose and treat diseases in nearly every organ system.
  • AI-Powered Imaging and Teleradiology Solutions: Develops and deploys artificial intelligence solutions for image interpretation and provides teleradiology services, allowing for remote reading of medical images.
  • Clinical Research Services: Conducts clinical trials and provides related research services for pharmaceutical and biotechnology companies.

AI Analysis | Feedback

RadNet (RDNT) operates a network of outpatient diagnostic imaging centers. While it directly serves millions of individual patients receiving diagnostic imaging services, a significant and growing portion of its strategic focus and revenue generation comes from partnerships and joint ventures with large healthcare systems and physician groups. In these arrangements, RadNet provides its operational expertise, technology, and management services, making these health systems major strategic customers or partners.

RadNet's business model involves substantial sales and services to other companies, primarily through joint ventures where it co-owns and manages imaging facilities with hospital systems. These partnerships effectively make the health systems "customers" for RadNet's operational and management capabilities. Key strategic partners and "customer" health systems include:

  • MemorialCare Health System (Private Company)
  • Hackensack Meridian Health (Private Company)
  • CommonSpirit Health (Private Company, formed from the merger of Dignity Health and Catholic Health Initiatives, both of which were RadNet partners)
  • Scripps Health (Private Company)
  • University of Maryland Medical System (Private Company)

Most of RadNet's major health system partners are private entities and therefore do not have public company symbols.

AI Analysis | Feedback

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AI Analysis | Feedback

Howard G. Berger, M.D. President and Chief Executive Officer

Dr. Berger co-founded RadNet in 1980 and has served as President and Chief Executive Officer of RadNet and its predecessor entities since 1987. He has over 25 years of experience in developing and managing successful healthcare businesses. Dr. Berger began his medical career at the University of Illinois Medical School, following his graduation from Western Reserve University. He is Board Certified in Nuclear Medicine and received training in an Internal Medicine residency, as well as a masters program in medical physics within the University of California system.

Mark D. Stolper Executive Vice President and Chief Financial Officer

Mr. Stolper has served as RadNet's Executive Vice President and Chief Financial Officer since 2004, having previously been an independent member of the company's Board of Directors. He is responsible for all aspects of RadNet's financial functions. Before joining RadNet, Mr. Stolper gained diverse experience in investment banking, private equity, venture capital investing, and operations. He began his career in the corporate finance group at Dillon, Read and Co., Inc., where he executed mergers and acquisitions, public and private financings, and private equity investments with Saratoga Partners LLP. He also worked for Archon Capital Partners, focusing on private equity investments in media and entertainment companies, and was a co-founder of Broadstream Capital Partners, an investment banking firm.

Norman R. Hames President and Chief Operating Officer for Western Operations

Mr. Hames oversees all aspects of facility operations for RadNet's Western Operations, bringing 20 years of industry experience. Before joining RadNet in April 1996, Mr. Hames was the President and CEO of his own company, Diagnostic Imaging Services, Inc. (DIS), which owned and operated 14 multi-modality imaging centers across Southern California. His initial experience in operating imaging centers was with American Medical International (AMI), where he was responsible for the development of their single and multi-modality imaging centers.

Kees Wesdorp President and Chief Executive Officer of RadNet's Digital Health division

Mr. Wesdorp is President and Chief Executive Officer of RadNet's Digital Health division. In 2023 and 2024, he served as a Managing Director at Hellman & Friedman, a private equity firm, where he focused on driving transformation at portfolio companies in Europe.

Michael Murdock Executive Vice President, Mergers and Acquisitions

Mr. Murdock joined RadNet in November 2006, following RadNet's acquisition of Radiologix. Prior to this, he served as Senior Vice President and Chief Financial Officer of Radiologix since January 2005.

AI Analysis | Feedback

The key risks to RadNet's business operations include scrutiny over its AI business and growth metrics, ongoing regulatory and reimbursement challenges, and concerns regarding its overall profitability and operational efficiency.

  1. Allegations from Short Report Regarding AI Business and Growth Metrics: A recent short report by Hunterbrook Capital raised concerns about RadNet's artificial intelligence (AI) business, characterizing it as a "sideshow" and claiming it represents less than 5% of the company's total revenue. The report further suggested that a significant portion of the Digital Health segment's revenue comes from selling software to RadNet's own imaging centers. Additionally, the short seller challenged RadNet's reported "same-center" revenue growth, alleging that approximately half of this growth resulted from closing centers near existing RadNet sites and shifting patients. The report also highlighted alleged inconsistencies in RadNet's disclosures regarding its center count and accounting practices, specifically concerning adjusted margins excluding stock-based compensation and some R&D spending. These allegations have led to a decline in RadNet's stock price and may impact investor confidence.
  2. Regulatory and Reimbursement Challenges: Operating within the healthcare sector, RadNet is susceptible to changes in healthcare regulations and reimbursement policies. Its revenue is heavily dependent on insurance reimbursement rates, making the company vulnerable to policy shifts that could impact operations and profitability.
  3. Profitability and Operational Efficiency Concerns: RadNet faces challenges in achieving consistent profitability and maintaining operational efficiency. The company has exhibited a low Piotroski F-Score, indicating poor business operations. Financial analysis also points to a shrinking adjusted operating margin over the last five years and mediocre free cash flow margins, suggesting difficulties in managing expenses and generating sufficient cash from operations. High operating costs associated with maintaining advanced imaging technology and a vast network of centers can also strain financial resources.

AI Analysis | Feedback

There are two clear emerging threats for RadNet:

  1. Accelerated advancements in artificial intelligence (AI) for diagnostic interpretation: While RadNet will likely integrate AI tools into its operations, the rapid development and increasing sophistication of AI algorithms pose a significant threat. AI has the potential to automate significant portions of image analysis, potentially reducing the reliance on human radiologists for initial reads, flagging anomalies, and even generating preliminary reports. This could lead to a commoditization of interpretive services, pressure on reimbursement rates for radiology reads, and a fundamental shift in the cost structure and staffing needs for imaging centers. The long-term implication could be a diminished competitive advantage based on the human expertise of radiologists, which is a core component of RadNet's service offering.

  2. Disruptive non-imaging and point-of-care diagnostic technologies: The emergence of highly effective, less invasive, and more accessible diagnostic tools threatens to reduce the demand for traditional advanced imaging services. This includes sophisticated blood tests (e.g., liquid biopsies for cancer detection, multi-cancer early detection tests), highly portable and lower-cost imaging devices (e.g., handheld ultrasound, miniaturized MRI/CT units that can be used in primary care settings), and advanced biosensors. If these technologies prove to be sufficiently accurate and cost-effective, they could significantly reduce the volume of referrals for RadNet's core MRI, CT, and PET/CT scans by providing diagnostic information earlier, cheaper, or without the need for a specialized imaging center visit.

AI Analysis | Feedback

RadNet (symbol: RDNT) operates in two primary markets: outpatient diagnostic imaging services and artificial intelligence (AI) solutions for medical imaging.

Outpatient Diagnostic Imaging Services

The addressable market for RadNet's outpatient diagnostic imaging services is primarily the U.S. market. The U.S. imaging services market was valued at approximately USD 150.2 billion in 2024 and is projected to reach USD 192.9 billion by 2030, growing at a compound annual growth rate (CAGR) of 4.30%. Other estimates place the U.S. diagnostic imaging services market size at USD 140.21 billion in 2024, with a projection to reach USD 239.74 billion by 2032, exhibiting a CAGR of 7.0%. Another source indicates the U.S. imaging services market size was USD 144.10 billion in 2023 and is projected to hit around USD 218.70 billion by 2033, with a CAGR of 4.26%. RadNet is the largest operator of freestanding, fixed-site diagnostic imaging centers in the United States, based on the number of locations and annual imaging revenue, operating over 400 centers across several states.

Artificial Intelligence (AI) Solutions for Medical Imaging

RadNet also provides radiology information technology and AI solutions through its DeepHealth brand. The global AI in medical imaging market size was estimated at USD 1.70 billion in 2024 and is expected to reach USD 16.88 billion by 2034, growing at a CAGR of 25.8%. Specifically for the U.S. market, the AI in medical imaging market size was estimated at USD 524.42 million in 2024 and is expected to expand at a CAGR of 33.24% from 2025 to 2030. North America, which includes the U.S., dominated the global AI in medical imaging market in 2024, holding a revenue share of 43.04%. The North America AI in Radiology Market alone was valued at USD 0.825 billion in 2024 and is projected to grow to USD 6.15 billion by 2035.

AI Analysis | Feedback

RadNet (RDNT) is expected to experience future revenue growth over the next 2-3 years driven by several key factors:

  1. Growth in Advanced Imaging Volumes: The company anticipates continued robust growth in advanced imaging procedures such as MRI, CT, and PET/CT scans. This growth is driven by increased procedural volumes, including specific applications like PSMA (prostate) and amyloid brain studies, and a strategic shift in business mix towards these higher-margin services.
  2. Expansion of Digital Health Segment and AI Solutions: RadNet's Digital Health segment, encompassing AI-related revenue, DeepHealth OS, TechLive, and strategic acquisitions like iCAD, is a significant driver of revenue growth. This expansion includes both the adoption of these solutions within RadNet's own imaging centers and increased external sales of its workflow software solutions.
  3. New Imaging Center Openings and Capacity Enhancement: The company is focused on organic growth through the opening of new "de novo" imaging centers and enhancing capacity at its existing facilities to meet high patient demand.
  4. Strategic Acquisitions: RadNet plans to continue pursuing attractive strategic acquisitions, including both imaging centers and digital health targets. This inorganic growth strategy, which has included "tuck-in" deals, is expected to further bolster its market position and service offerings.
  5. Increased Reimbursement Rates: The company anticipates a positive impact from increased reimbursement rates from commercial and capitated payers. Furthermore, RadNet expects a net benefit from Medicare reimbursement in 2026, which breaks a trend of annual cuts.

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Share Issuance

  • In March 2024, RadNet completed a public offering of 4,550,000 shares of common stock, generating gross proceeds of approximately $200 million, with the intent to use the net proceeds for general corporate purposes and future acquisitions.
  • The number of common shares issued and outstanding increased from 57,723,125 at December 31, 2022, to 67,956,318 at December 31, 2023, reflecting a substantial issuance of shares during 2023.
  • On April 30, 2023, RadNet issued 144,227 shares of common stock to settle a $4.0 million holdback related to indemnification claims from an acquisition.

Outbound Investments

  • RadNet has actively pursued acquisitions, spending over $54 million on various acquisitions in 2024 to expand its imaging center network in California and new markets like Houston, Texas.
  • A significant strategic focus has been on artificial intelligence (AI) companies, highlighted by the acquisition of DeepHealth in 2020 for over $40 million, and later Dutch AI firms Quantib and Aidence in 2022 for a combined total of nearly $100 million.
  • Continuing this trend in 2025, the company completed the acquisition of iCAD, Inc. in July, aiming to enhance its AI-powered breast health solutions, and acquired Alpha RT's assets in November to expand its remote imaging capabilities.

Capital Expenditures

  • Capital expenditures for RadNet reached $153.0 million in 2023, with a focus on expanding capacity, developing de novo facilities, engaging in hospital joint ventures, and investing in information technology solutions.
  • For 2024, the company's capital expenditures guidance was increased to $145 million - $155 million, primarily driven by continued spending on de novo center openings and significant infrastructure investments within its Digital Health segment.
  • In 2022, capital expenditures amounted to $105.7 million, following $98.8 million in 2021, which included an opportunistic $26.0 million purchase of equipment that was previously under operating leases.

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Unique Key

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Peer Comparisons

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Financials

RDNTADUSCVSCILHDGXMedian
NameRadNet Addus Ho.CVS Heal.Cigna Labcorp Quest Di. 
Mkt Price69.54113.8078.48291.44282.63206.87160.34
Mkt Cap5.32.199.777.523.523.223.3
Rev LTM1,9701,347402,067267,93313,76510,85012,308
Op Inc LTM7812310,385-1,3651,5311,365
FCF LTM52967,8077,4371,3811,3931,387
FCF 3Y Avg581078,1767,8381,0801,0041,042
CFO LTM25710310,6398,6641,8041,8851,844
CFO 3Y Avg24111511,0579,2421,5311,4541,492

Growth & Margins

RDNTADUSCVSCILHDGXMedian
NameRadNet Addus Ho.CVS Heal.Cigna Labcorp Quest Di. 
Rev Chg LTM11.1%18.8%7.8%16.8%8.3%13.7%12.4%
Rev Chg 3Y Avg12.6%13.3%7.7%14.4%8.6%2.2%10.6%
Rev Chg Q13.4%25.0%8.2%11.2%8.6%13.2%12.2%
QoQ Delta Rev Chg LTM3.2%5.7%2.0%2.7%2.1%3.1%2.9%
Op Mgn LTM4.0%9.2%2.6%-9.9%14.1%9.2%
Op Mgn 3Y Avg5.2%8.8%3.1%-9.6%13.1%8.8%
QoQ Delta Op Mgn LTM-0.2%0.0%-0.1%-0.8%0.1%0.0%
CFO/Rev LTM13.1%7.7%2.6%3.2%13.1%17.4%10.4%
CFO/Rev 3Y Avg13.5%10.0%2.9%4.2%11.9%14.5%10.9%
FCF/Rev LTM2.6%7.2%1.9%2.8%10.0%12.8%5.0%
FCF/Rev 3Y Avg3.2%9.2%2.2%3.6%8.4%10.0%6.0%

Valuation

RDNTADUSCVSCILHDGXMedian
NameRadNet Addus Ho.CVS Heal.Cigna Labcorp Quest Di. 
Mkt Cap5.32.199.777.523.523.223.3
P/S2.71.50.20.31.72.11.6
P/EBIT54.916.219.08.317.614.816.9
P/E-415.524.056.412.627.523.924.0
P/CFO20.519.99.48.913.012.312.7
Total Yield-0.2%4.2%5.2%10.0%4.7%5.7%4.9%
Dividend Yield0.0%0.0%3.4%2.1%1.0%1.5%1.3%
FCF Yield 3Y Avg1.3%5.7%9.7%9.8%5.4%5.7%5.7%
D/E0.30.10.80.40.30.30.3
Net D/E0.20.00.70.40.30.30.3

Returns

RDNTADUSCVSCILHDGXMedian
NameRadNet Addus Ho.CVS Heal.Cigna Labcorp Quest Di. 
1M Rtn-2.0%5.9%0.7%7.1%4.3%9.2%5.1%
3M Rtn-7.5%4.3%1.7%8.7%6.2%11.2%5.3%
6M Rtn3.1%-1.1%16.3%-0.8%5.1%16.1%4.1%
12M Rtn13.4%0.5%23.8%1.7%15.9%24.9%14.7%
3Y Rtn228.6%6.4%0.2%2.8%12.7%49.8%9.6%
1M Excs Rtn-3.3%4.3%1.0%8.8%9.2%12.1%6.6%
3M Excs Rtn-6.4%0.3%-1.2%8.5%6.8%11.4%3.5%
6M Excs Rtn-4.5%-5.7%13.9%-4.2%-0.9%11.3%-2.6%
12M Excs Rtn-0.9%-13.4%15.9%-11.3%5.5%15.3%2.3%
3Y Excs Rtn166.1%-58.3%-66.9%-59.9%-48.7%-15.8%-53.5%

Comparison Analyses

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Financials

Segment Financials

Revenue by Segment
$ Mil20242023202220212020
Imaging Centers1,5911,4261,314  
Digital Health50    
Elimination of intersegment revenues-240   
Artificial Intelligence (AI) 41  
Revenue under capitation arrangements   140126
Service fee revenue   9321,028
Total1,6171,4301,3151,0721,154


Price Behavior

Price Behavior
Market Price$69.54 
Market Cap ($ Bil)5.3 
First Trading Date01/03/1997 
Distance from 52W High-17.7% 
   50 Days200 Days
DMA Price$73.01$68.21
DMA Trendupdown
Distance from DMA-4.8%2.0%
 3M1YR
Volatility44.0%44.8%
Downside Capture250.88135.30
Upside Capture187.41131.75
Correlation (SPY)52.2%50.4%
RDNT Betas & Captures as of 1/31/2026

 1M2M3M6M1Y3Y
Beta1.491.771.081.041.081.20
Up Beta4.033.482.881.731.141.28
Down Beta-0.130.40-0.160.830.841.04
Up Capture167%134%84%118%120%253%
Bmk +ve Days11223471142430
Stock +ve Days9182864123387
Down Capture269%300%140%73%116%103%
Bmk -ve Days9192754109321
Stock -ve Days11233260126361

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RDNT
RDNT12.9%44.7%0.40-
Sector ETF (XLV)9.6%17.4%0.3735.5%
Equity (SPY)14.0%19.4%0.5549.9%
Gold (GLD)74.3%25.3%2.172.0%
Commodities (DBC)7.0%16.7%0.2422.7%
Real Estate (VNQ)7.9%16.6%0.2833.8%
Bitcoin (BTCUSD)-29.8%44.9%-0.6531.7%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RDNT
RDNT29.7%45.3%0.72-
Sector ETF (XLV)8.0%14.5%0.3736.3%
Equity (SPY)13.3%17.0%0.6247.1%
Gold (GLD)22.1%17.0%1.066.3%
Commodities (DBC)10.5%18.9%0.447.1%
Real Estate (VNQ)5.2%18.8%0.1837.8%
Bitcoin (BTCUSD)8.3%57.2%0.3725.9%

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Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with RDNT
RDNT29.8%48.3%0.73-
Sector ETF (XLV)11.2%16.5%0.5638.4%
Equity (SPY)15.6%17.9%0.7547.0%
Gold (GLD)15.3%15.6%0.822.0%
Commodities (DBC)8.1%17.6%0.3817.2%
Real Estate (VNQ)6.4%20.7%0.2742.6%
Bitcoin (BTCUSD)67.9%66.7%1.0716.2%

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Short Interest

Short Interest: As Of Date1302026
Short Interest: Shares Quantity7.4 Mil
Short Interest: % Change Since 1152026-1.1%
Average Daily Volume0.6 Mil
Days-to-Cover Short Interest12.4 days
Basic Shares Quantity76.0 Mil
Short % of Basic Shares9.7%

Earnings Returns History

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 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
11/10/20253.2%-4.0%-1.5%
8/11/202516.2%26.4%37.0%
3/5/2025-2.8%-11.0%-6.7%
11/12/2024-1.2%-4.5%-6.1%
8/9/2024-1.9%2.5%-4.0%
3/5/20242.3%-3.0%1.0%
11/13/2023-1.3%10.0%24.6%
8/9/2023-0.7%1.0%-3.1%
...
SUMMARY STATS   
# Positive10107
# Negative9912
Median Positive2.7%4.5%20.4%
Median Negative-1.2%-4.5%-5.1%
Max Positive16.2%26.4%37.0%
Max Negative-2.8%-46.0%-26.6%

SEC Filings

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Report DateFiling DateFiling
09/30/202511/10/202510-Q
06/30/202508/11/202510-Q
03/31/202505/12/202510-Q
12/31/202403/03/202510-K
09/30/202411/12/202410-Q
06/30/202408/09/202410-Q
03/31/202405/10/202410-Q
12/31/202302/29/202410-K
09/30/202311/09/202310-Q
06/30/202308/09/202310-Q
03/31/202305/10/202310-Q
12/31/202203/01/202310-K
09/30/202211/09/202210-Q
06/30/202208/09/202210-Q
03/31/202205/10/202210-Q
12/31/202103/01/202210-K

Insider Activity

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#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Forthuber, Stephen MPres & COO-Eastern OperationsDirectSell1209202578.3345,0883,531,84941,455,124Form
2Patel, MitalEVP of Fin Planning, CAODirectSell1119202576.0625,0001,901,50015,602,796Form
3Patel, MitalEVP of Fin Planning, CAODirectSell1119202580.009,920793,60015,617,440Form
4Patel, MitalEVP of Fin Planning, CAODirectSell1119202580.0515,0801,207,15414,420,047Form
5Stolper, MarkEVP, Chief Financial OfficerDirectSell918202573.8935,0002,586,1505,025,407Form