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RDNT vs SMID vs USPH vs AMSF vs AORT

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
RDNT
RadNet, Inc.

Medical - Diagnostics & Research

HealthcareNASDAQ • US
Market Cap$4.45B
5Y Perf.+237.4%
SMID
Smith-Midland Corporation

Construction Materials

Basic MaterialsNASDAQ • US
Market Cap$186M
5Y Perf.+629.6%
USPH
U.S. Physical Therapy, Inc.

Medical - Care Facilities

HealthcareNYSE • US
Market Cap$897M
5Y Perf.-20.4%
AMSF
AMERISAFE, Inc.

Insurance - Specialty

Financial ServicesNASDAQ • US
Market Cap$569M
5Y Perf.-50.6%
AORT
Artivion, Inc.

Medical - Devices

HealthcareNYSE • US
Market Cap$1.72B
5Y Perf.+55.7%

RDNT vs SMID vs USPH vs AMSF vs AORT — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
RDNT logoRDNT
SMID logoSMID
USPH logoUSPH
AMSF logoAMSF
AORT logoAORT
IndustryMedical - Diagnostics & ResearchConstruction MaterialsMedical - Care FacilitiesInsurance - SpecialtyMedical - Devices
Market Cap$4.45B$186M$897M$569M$1.72B
Revenue (TTM)$2.04B$89M$695M$325M$459M
Net Income (TTM)$47M$12M$11M$46M$12M
Gross Margin11.2%28.0%22.0%47.6%63.8%
Operating Margin3.0%17.6%12.2%17.8%7.4%
Forward P/E91.8x24.2x20.6x14.4x98.7x
Total Debt$1.86B$5M$426M$491K$292M
Cash & Equiv.$767M$8M$36M$62M$65M

RDNT vs SMID vs USPH vs AMSF vs AORTLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

RDNT
SMID
USPH
AMSF
AORT
StockMay 20May 26Return
RadNet, Inc. (RDNT)100337.4+237.4%
Smith-Midland Corpo… (SMID)100729.6+629.6%
U.S. Physical Thera… (USPH)10079.6-20.4%
AMERISAFE, Inc. (AMSF)10049.4-50.6%
Artivion, Inc. (AORT)100155.7+55.7%

Price return only. Dividends and distributions are not included.

Quick Verdict: RDNT vs SMID vs USPH vs AMSF vs AORT

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: AMSF leads in 3 of 7 categories (5-stock set), making it the strongest pick for valuation and capital efficiency and profitability and margin quality. Smith-Midland Corporation is the stronger pick specifically for growth and revenue expansion and operational efficiency and capital deployment. USPH and AORT also each lead in at least one category. This set spans 3 sectors — these stocks serve different portfolio roles, not just different price points.
RDNT
RadNet, Inc.
The Healthcare Pick

Among these 5 stocks, RDNT doesn't own a clear edge in any measured category.

Best for: healthcare exposure
SMID
Smith-Midland Corporation
The Growth Play

SMID is the #2 pick in this set and the best alternative if growth exposure and long-term compounding is your priority.

  • Rev growth 31.8%, EPS growth 8.7%, 3Y rev CAGR 15.7%
  • 14.4% 10Y total return vs RDNT's 9.5%
  • 31.8% revenue growth vs AMSF's 2.6%
  • 13.8% ROA vs USPH's 0.9%, ROIC 21.2% vs 5.6%
Best for: growth exposure and long-term compounding
USPH
U.S. Physical Therapy, Inc.
The Income Pick

USPH ranks third and is worth considering specifically for dividends.

  • 3.1% yield, 5-year raise streak, vs AMSF's 8.4%, (3 stocks pay no dividend)
Best for: dividends
AMSF
AMERISAFE, Inc.
The Insurance Pick

AMSF carries the broadest edge in this set and is the clearest fit for income & stability and sleep-well-at-night.

  • Dividend streak 0 yrs, beta 0.23, yield 8.4%
  • Lower volatility, beta 0.23, Low D/E 0.2%, current ratio 0.32x
  • Beta 0.23, yield 8.4%, current ratio 0.32x
  • Lower P/E (14.4x vs 98.7x)
Best for: income & stability and sleep-well-at-night
AORT
Artivion, Inc.
The Momentum Pick

AORT is the clearest fit if your priority is momentum.

  • +24.7% vs AMSF's -29.2%
Best for: momentum
See the full category breakdown
CategoryWinnerWhy
GrowthSMID logoSMID31.8% revenue growth vs AMSF's 2.6%
ValueAMSF logoAMSFLower P/E (14.4x vs 98.7x)
Quality / MarginsAMSF logoAMSF14.3% margin vs USPH's 1.5%
Stability / SafetyAMSF logoAMSFBeta 0.23 vs SMID's 1.58, lower leverage
DividendsUSPH logoUSPH3.1% yield, 5-year raise streak, vs AMSF's 8.4%, (3 stocks pay no dividend)
Momentum (1Y)AORT logoAORT+24.7% vs AMSF's -29.2%
Efficiency (ROA)SMID logoSMID13.8% ROA vs USPH's 0.9%, ROIC 21.2% vs 5.6%

RDNT vs SMID vs USPH vs AMSF vs AORT — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

RDNTRadNet, Inc.
FY 2025
Commercial Insurance1
58.8%$1.1B
Medicare1
24.8%$477M
Capitation Arrangements
6.5%$126M
Health Care, Other
3.4%$65M
Medicaid1
2.7%$52M
Workers' Compensation/Personal Injury1
2.3%$45M
Health Care, Management Service
1.4%$28M
SMIDSmith-Midland Corporation
FY 2020
Shipping and Installation Revenue
100.0%$9M
USPHU.S. Physical Therapy, Inc.
FY 2025
Net Patient Revenues
83.3%$650M
Other Revenues Including Management Contract Revenues and Industrial Injury Prevention Services Revenues
16.7%$131M
AMSFAMERISAFE, Inc.

Segment breakdown not available.

AORTArtivion, Inc.
FY 2025
Aortic Stent Grafts
36.1%$159M
On X
23.1%$102M
Preservation Services
21.6%$96M
Surgical Sealants
17.4%$77M
Other Products
1.8%$8M

RDNT vs SMID vs USPH vs AMSF vs AORT — Financial Metrics

Side-by-side numbers across 5 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLUSPHLAGGINGAMSF

Income & Cash Flow (Last 12 Months)

AORT leads this category, winning 3 of 6 comparable metrics.

RDNT is the larger business by revenue, generating $2.0B annually — 23.0x SMID's $89M. AMSF is the more profitable business, keeping 14.3% of every revenue dollar as net income compared to USPH's 1.5%. On growth, AORT holds the edge at +17.5% YoY revenue growth, suggesting stronger near-term business momentum.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
RevenueTrailing 12 months$2.0B$89M$695M$325M$459M
EBITDAEarnings before interest/tax$214M$18M$107M$58M$51M
Net IncomeAfter-tax profit$47M$12M$11M$46M$12M
Free Cash FlowCash after capex-$178M$5M$67M$8M$13M
Gross MarginGross profit ÷ Revenue+11.2%+28.0%+22.0%+47.6%+63.8%
Operating MarginEBIT ÷ Revenue+3.0%+17.6%+12.2%+17.8%+7.4%
Net MarginNet income ÷ Revenue+2.3%+13.2%+1.5%+14.3%+2.5%
FCF MarginFCF ÷ Revenue-8.7%+5.7%+9.6%+2.5%+2.8%
Rev. Growth (YoY)Latest quarter vs prior year+14.8%-9.0%+7.7%+10.3%+17.5%
EPS Growth (YoY)Latest quarter vs prior year-114.1%-8.5%-115.0%-8.5%+3.5%
AORT leads this category, winning 3 of 6 comparable metrics.

Valuation Metrics

USPH leads this category, winning 3 of 6 comparable metrics.

At 12.3x trailing earnings, AMSF trades at a 93% valuation discount to AORT's 168.5x P/E. On an enterprise value basis, AMSF's 8.5x EV/EBITDA is more attractive than AORT's 39.5x.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
Market CapShares × price$4.5B$186M$897M$569M$1.7B
Enterprise ValueMkt cap + debt − cash$5.5B$183M$1.3B$508M$1.9B
Trailing P/EPrice ÷ TTM EPS-230.00x24.15x41.55x12.27x168.52x
Forward P/EPrice ÷ next-FY EPS est.91.75x20.63x14.42x98.69x
PEG RatioP/E ÷ EPS growth rate0.79x
EV / EBITDAEnterprise value multiple25.88x14.60x12.52x8.53x39.50x
Price / SalesMarket cap ÷ Revenue2.18x2.37x1.15x1.80x3.89x
Price / BookPrice ÷ Book value/share3.19x4.45x1.16x2.30x3.72x
Price / FCFMarket cap ÷ FCF52.01x14.71x63.83x
USPH leads this category, winning 3 of 6 comparable metrics.

Profitability & Efficiency

Evenly matched — SMID and AMSF each lead in 5 of 9 comparable metrics.

SMID delivers a 22.6% return on equity — every $100 of shareholder capital generates $23 in annual profit, vs $1 for USPH. AMSF carries lower financial leverage with a 0.00x debt-to-equity ratio, signaling a more conservative balance sheet compared to RDNT's 1.37x. On the Piotroski fundamental quality scale (0–9), SMID scores 7/9 vs USPH's 5/9, reflecting strong financial health.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
ROE (TTM)Return on equity+3.8%+22.6%+1.4%+9.7%+2.7%
ROA (TTM)Return on assets+1.3%+13.8%+0.9%+5.6%+1.3%
ROICReturn on invested capital+2.0%+21.2%+5.6%+21.9%+3.2%
ROCEReturn on capital employed+2.1%+20.1%+7.6%+16.8%+3.6%
Piotroski ScoreFundamental quality 0–957576
Debt / EquityFinancial leverage1.37x0.12x0.55x0.00x0.65x
Net DebtTotal debt minus cash$1.1B-$2M$390M-$61M$227M
Cash & Equiv.Liquid assets$767M$8M$36M$62M$65M
Total DebtShort + long-term debt$1.9B$5M$426M$491,000$292M
Interest CoverageEBIT ÷ Interest expense1.46x72.70x15.42x1.28x
Evenly matched — SMID and AMSF each lead in 5 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

Evenly matched — SMID and AORT each lead in 3 of 6 comparable metrics.

A $10,000 investment in SMID five years ago would be worth $26,938 today (with dividends reinvested), compared to $5,664 for USPH. Over the past 12 months, AORT leads with a +24.7% total return vs AMSF's -29.2%. The 3-year compound annual growth rate (CAGR) favors AORT at 34.3% vs USPH's -17.4% — a key indicator of consistent wealth creation.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
YTD ReturnYear-to-date-19.0%-6.6%-24.6%-18.3%-20.4%
1-Year ReturnPast 12 months+4.6%+14.2%-14.3%-29.2%+24.7%
3-Year ReturnCumulative with dividends+100.0%+114.7%-43.7%-24.8%+142.2%
5-Year ReturnCumulative with dividends+147.1%+169.4%-43.4%-18.9%+15.4%
10-Year ReturnCumulative with dividends+947.4%+1436.8%+22.6%+31.8%+188.9%
CAGR (3Y)Annualised 3-year return+26.0%+29.0%-17.4%-9.1%+34.3%
Evenly matched — SMID and AORT each lead in 3 of 6 comparable metrics.

Risk & Volatility

Evenly matched — SMID and AMSF each lead in 1 of 2 comparable metrics.

AMSF is the less volatile stock with a 0.23 beta — it tends to amplify market swings less than SMID's 1.58 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. SMID currently trades 80.2% from its 52-week high vs AMSF's 62.4% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
Beta (5Y)Sensitivity to S&P 5001.43x1.58x0.93x0.23x0.63x
52-Week HighHighest price in past year$85.84$43.66$93.50$48.54$48.25
52-Week LowLowest price in past year$50.76$25.56$58.55$29.42$26.84
% of 52W HighCurrent price vs 52-week peak+67.0%+80.2%+63.1%+62.4%+73.3%
RSI (14)Momentum oscillator 0–10051.358.146.134.242.1
Avg Volume (50D)Average daily shares traded822K9K171K212K385K
Evenly matched — SMID and AMSF each lead in 1 of 2 comparable metrics.

Analyst Outlook

Evenly matched — USPH and AMSF each lead in 1 of 2 comparable metrics.

Analyst consensus: RDNT as "Buy", USPH as "Buy", AMSF as "Buy", AORT as "Buy". Consensus price targets imply 72.9% upside for USPH (target: $102) vs 46.9% for AMSF (target: $45). For income investors, AMSF offers the higher dividend yield at 8.41% vs USPH's 3.06%.

MetricRDNT logoRDNTRadNet, Inc.SMID logoSMIDSmith-Midland Cor…USPH logoUSPHU.S. Physical The…AMSF logoAMSFAMERISAFE, Inc.AORT logoAORTArtivion, Inc.
Analyst RatingConsensus buy/hold/sellBuyBuyBuyBuy
Price TargetConsensus 12-month target$92.00$102.00$44.50$52.00
# AnalystsCovering analysts1112612
Dividend YieldAnnual dividend ÷ price+3.1%+8.4%
Dividend StreakConsecutive years of raises00504
Dividend / ShareAnnual DPS$1.80$2.55
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%+0.6%+2.1%0.0%
Evenly matched — USPH and AMSF each lead in 1 of 2 comparable metrics.
Key Takeaway

AORT leads in 1 of 6 categories (Income & Cash Flow). USPH leads in 1 (Valuation Metrics). 4 tied.

Best OverallU.S. Physical Therapy, Inc. (USPH)Leads 1 of 6 categories
Loading custom metrics...

RDNT vs SMID vs USPH vs AMSF vs AORT: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is RDNT or SMID or USPH or AMSF or AORT a better buy right now?

For growth investors, Smith-Midland Corporation (SMID) is the stronger pick with 31.

8% revenue growth year-over-year, versus 2. 6% for AMERISAFE, Inc. (AMSF). AMERISAFE, Inc. (AMSF) offers the better valuation at 12. 3x trailing P/E (14. 4x forward), making it the more compelling value choice. Analysts rate RadNet, Inc. (RDNT) a "Buy" — based on 11 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which has the better valuation — RDNT or SMID or USPH or AMSF or AORT?

On trailing P/E, AMERISAFE, Inc.

(AMSF) is the cheapest at 12. 3x versus Artivion, Inc. at 168. 5x. On forward P/E, AMERISAFE, Inc. is actually cheaper at 14. 4x.

03

Which is the better long-term investment — RDNT or SMID or USPH or AMSF or AORT?

Over the past 5 years, Smith-Midland Corporation (SMID) delivered a total return of +169.

4%, compared to -43. 4% for U. S. Physical Therapy, Inc. (USPH). Over 10 years, the gap is even starker: SMID returned +1437% versus USPH's +22. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — RDNT or SMID or USPH or AMSF or AORT?

By beta (market sensitivity over 5 years), AMERISAFE, Inc.

(AMSF) is the lower-risk stock at 0. 23β versus Smith-Midland Corporation's 1. 58β — meaning SMID is approximately 583% more volatile than AMSF relative to the S&P 500. On balance sheet safety, AMERISAFE, Inc. (AMSF) carries a lower debt/equity ratio of 0% versus 137% for RadNet, Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — RDNT or SMID or USPH or AMSF or AORT?

By revenue growth (latest reported year), Smith-Midland Corporation (SMID) is pulling ahead at 31.

8% versus 2. 6% for AMERISAFE, Inc. (AMSF). On earnings-per-share growth, the picture is similar: Smith-Midland Corporation grew EPS 866. 7% year-over-year, compared to -768. 4% for RadNet, Inc.. Over a 3-year CAGR, SMID leads at 15. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

06

Which has better profit margins — RDNT or SMID or USPH or AMSF or AORT?

AMERISAFE, Inc.

(AMSF) is the more profitable company, earning 14. 9% net margin versus 1. 9% for U. S. Physical Therapy, Inc. — meaning it keeps 14. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMSF leads at 18. 6% versus 3. 0% for RDNT. At the gross margin level — before operating expenses — AORT leads at 61. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

07

Is RDNT or SMID or USPH or AMSF or AORT more undervalued right now?

On forward earnings alone, AMERISAFE, Inc.

(AMSF) trades at 14. 4x forward P/E versus 98. 7x for Artivion, Inc. — 84. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for USPH: 72. 9% to $102. 00.

08

Which pays a better dividend — RDNT or SMID or USPH or AMSF or AORT?

In this comparison, AMSF (8.

4% yield), USPH (3. 1% yield) pay a dividend. RDNT, SMID, AORT do not pay a meaningful dividend and should not be held primarily for income.

09

Is RDNT or SMID or USPH or AMSF or AORT better for a retirement portfolio?

For long-horizon retirement investors, AMERISAFE, Inc.

(AMSF) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 23), 8. 4% yield). Both have compounded well over 10 years (AMSF: +31. 8%, RDNT: +947. 4%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

10

What are the main differences between RDNT and SMID and USPH and AMSF and AORT?

These companies operate in different sectors (RDNT (Healthcare) and SMID (Basic Materials) and USPH (Healthcare) and AMSF (Financial Services) and AORT (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: RDNT is a small-cap quality compounder stock; SMID is a small-cap high-growth stock; USPH is a small-cap high-growth stock; AMSF is a small-cap deep-value stock; AORT is a small-cap quality compounder stock. USPH, AMSF pay a dividend while RDNT, SMID, AORT do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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RDNT

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  • Market Cap > $100B
  • Revenue Growth > 7%
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  • Market Cap > $100B
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  • Revenue Growth > 5%
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AORT

High-Growth Disruptor

  • Sector: Healthcare
  • Market Cap > $100B
  • Revenue Growth > 8%
  • Gross Margin > 38%
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Custom Screen

Beat Both

Find stocks that outperform RDNT and SMID and USPH and AMSF and AORT on the metrics below

Revenue Growth>
%
(RDNT: 14.8% · SMID: -9.0%)
Net Margin>
%
(RDNT: 2.3% · SMID: 13.2%)

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