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Sonendo Inc (SONX) Fair Value & Analysis

Healthcare · US · Market cap $2.9M · ISIN US8354311073

What is Sonendo Inc really worth?

SI Sonendo Inc logo Sonendo Inc SONX · US
Price$1.20
Fair Value$0.3600
Upside−70.0%
Quality41/100

Below-average quality, and trading another 233% above our fair value of $0.3600.

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Risks

!Weak Growth (revenue 5y −1.8 %/yr)
!Loss-making · -88.4% net margin
!Moderate debt · negative free cash flow
!Trails peers (2/10)
!Narrow moat 6/100
!Evidence only low, so the estimate is less certain
Evidence: Low Range $0.2400 – $0.4500

Fair value as of: Aug 22, 2026

From 1 valuation models · updated 10 days ago

Share price +18.8% over the past month.

What runs behind every stock

69 individual criteria per stock, every one traceable See the method →

What matters now

  • The price sits above even our optimistic bull case ($0.4500). The favourable scenario is already priced in.
  • Weak quality (41/100) and above fair value at the same time, the margin of safety is missing on both counts.
  • The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution.
  • A fairly wide model range ($0.2400 to $0.4500) leaves room in how you read the outcome.

Price vs Fair Value (5 years)

$2,312 $0.0200 Fair Value $0.3600 Oct 2021 Aug 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 22, 2026.

How to read this chart

58‑month range $0.0200 – $2,312 · fair‑value band $0.2400 – $0.4500 · the $1.20 price screens above the $0.3600 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Aug 22, 2026.

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Analysis

Sonendo Inc (SONX) currently trades at $1.20, while our model-based Fair Value estimate is $0.3600, implying the stock looks roughly 233.3% overvalued today. The Quality Score stands at 41/100 (below-average quality), in the Healthcare sector. How firm this estimate is: it rests on 1 models at a data quality of 91/100, which puts the evidence level at low.

Over the trailing twelve months, Sonendo Inc generated revenue of $31.7M at a net margin of −88.4%. Revenue declined 29.0% year over year. Net debt stands at $8.7M. Fundamentals as of Aug 22, 2026

Our scenario range runs from $0.2400 (bear case) to $0.4500 (bull case); at $1.20, the current price sits above that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades near its 52-week high. For context, the median of 10 Healthcare peers we cover trades at −34% fair-value upside, at −70%, SONX screens richer than that median.

Fair Value models

Each model estimates fair value its own way; the Fair Value above is the evidence-weighted, family-balanced blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small. Every input is real reported data, nothing guessed.

Model Bear Bear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull Bull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. Evidence
Highest evidence
NCAV (Graham) best evidence $0.5400 $0.7300 $1.09 54
All 1 models by family
Asset-Based
NCAV (Graham) best evidence $0.5400 $0.7300 $1.09 54

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Key figures & financial health

P/S ratio 0.09 TTM
EPS (TTM) $−70.63
Net margin −88.4% FY2024
Return on equity −200% TTM
Return on assets (EBIT) −61.1% avg 5y
Operating margin −65.5% TTM
More key figures
Growth
Revenue (TTM) $31.7M TTM
Revenue growth (YoY) −29.0% 3y avg −1.5%
Balance sheet & cash flow
Free cash flow −$24.8M FY2024
Net debt $8.7M FY2024

Figures from reported company fundamentals · as of Aug 22, 2026. TTM = trailing twelve months.

Quality Score breakdown

Overall quality 41/100

Of which business quality 39 · Market factors (momentum, volatility) 70

Profitability 29
Margins and returns on capital today
Quality Growth 60
Are margins and returns improving?
Cashflow 8
Earnings quality: real cash, not paper profit
Fin. Strength 28
Balance sheet, leverage, solvency risk
Investment 100
Disciplined investing over empire-building
Low Volatility 0
Calm price path (market factor)
Momentum 100
Price trend over the last 3–12 months (market factor)
52W Momentum 100
Distance to the 52-week high (market factor)
Net Issuance 50
Buybacks instead of dilution

Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.

All values are scores from 0 to 100 (100 = best against fixed, research-based bands), not percentages. The three market factors (momentum, 52-week proximity, low volatility) are displayed but carry zero weight in the headline number: market sentiment is not a business property.

About the company

Sonendo, Inc., a commercial-stage medical technology company, develops, manufactures, and commercializes devices for root canal therapy in the United States and Canada. It provides GentleWave, a tooth decay treatment technology platform designed for cleaning and disinfecting the microscopic spaces within teeth without the need to remove tooth structure.

Full company description

Sonendo, Inc., a commercial-stage medical technology company, develops, manufactures, and commercializes devices for root canal therapy in the United States and Canada. It provides GentleWave, a tooth decay treatment technology platform designed for cleaning and disinfecting the microscopic spaces within teeth without the need to remove tooth structure. The company also offers SoundSeal, a material used to build and create a sealing platform on the top of the crown; and Sonendo-branded liquid solution of ethylenediaminetetraacetic acid EDTA that is used to help debride and disinfect the root canal system. In addition, it provides The Digital Office, a practice management software to enable an integrated digital office for endodontists. The company was formerly known as Dentatek Corporation and changed its name to Sonendo, Inc. in March 2011. Sonendo, Inc. was incorporated in 2006 and is headquartered in Laguna Hills, California.

Company description, as reported by the company or data provider.

Revenue & earnings trend

FY2020 – FY2024 · reported fiscal years

Sonendo Inc reported revenue of $31.7M in FY2024 versus $23.4M in FY2020, a compound +7.9%/yr. Reported net income was −$28.0M in FY2024.

Growth Quality 0/100
Revenue growth is weak, negative or inconsistent.
Latest Revenue (FY 2024)
$31.7M
Latest YoY
−27.7%
Avg. revenue growth/yr (3Y) Measures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump.
−1.5%
Avg. revenue growth/yr (5Y) Measures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump.
−1.8%
Value creation/yr We only publish this rate when it is defensible. Reason: fiscal 2024 is a loss year, no rate is defined from a loss
not computed
Revenue +7.9%/yr
FY20 $23.4M
FY21 $33.2M
FY22 $41.7M
FY23 $43.9M
FY24 $31.7M
Net income
FY20 −$46.7M
FY21 −$48.5M
FY22 −$57.1M
FY23 −$60.9M
FY24 −$28.0M

SONX screens 233% overvalued. Compare with Abbott Laboratories, →

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Cite: Fair Value Calculator (2026). "Sonendo Inc Fair Value". https://www.fairvalue-calculator.com/stock/SONX

Peer Group

Medical Devices · 361 stocks

How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.

Quality Score 39 · Below median
Fair Value upside −70% · Bottom 25%
Return on assets −33% · Bottom 25%
Net margin (TTM) −88% · Bottom 25%
Operating margin (TTM) −65% · Bottom 25%
Revenue growth −29% · Bottom 25%
Debt / equity 0.70× · Higher than 75% of peers

Valuation Multiples vs Medical Devices median · lower = cheaper

P/B 0.55× · Cheaper than 75% of peers
P/S (TTM) 0.09× · Cheaper than 75% of peers

Strength profile in five axes (Snowflake)

Five quick dimensions, each 0 to 100: VALUE (fair-value potential), FUTURE (revenue growth), PAST (return on equity), HEALTH (low debt), DIVIDEND (yield). Green = this stock, grey = typical sector peer.

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE0 · sector 0
FUTURE0 · sector 32
PAST0 · sector 4
HEALTH65 · sector 97
DIVIDEND0 · sector 35

VALUE 0: the price sits above our fair-value range.

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Medical Devices stocks, each showing price versus our Fair Value estimate (as of Aug 22, 2026).

Stock Price Fair Value vs Fair Value
Abbott Laboratories, ABT $112.47 $74.79 −34%
Stryker Corporation SYK $322.12 $186.28 −42%
Medtronic plc MDT $89.97 $65.57 −27%
Boston Scientific Corporation BSX $46.84 $30.73 −34%
Edwards Lifesciences Corporation EW $90.78 $41.02 −55%
Siemens Healthineers AG SHL €39.52 €33.87 −14%
DexCom, Inc DXCM $90.82 $38.95 −57%
GE HealthCare Technologies Inc GEHC $74.82 $64.13 −14%
Koninklijke Philips N.V PHIA €23.69 €14.36 −39%
Shenzhen Mindray Bio-Medical Electronics Co 300760 ¥150.63 ¥147.63 −2%

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Frequently asked questions

Is Sonendo Inc (SONX) overvalued or undervalued?
As of Aug 22, 2026, our model estimates a fair value of $0.3600 versus a price of $1.20, about −70% upside (overvalued).
What is the fair value of SONX?
Our model-based fair value for Sonendo Inc is $0.3600 (as of Aug 22, 2026), built from audited fundamentals. The current price: $1.20.
What is the quality score of SONX?
Sonendo Inc has a Quality Score of 41/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the revenue of Sonendo Inc (SONX)?
Sonendo Inc reported trailing-twelve-month revenue of about $31.7M (latest available figure, as of Aug 22, 2026).
What is the net profit margin of SONX?
The net profit margin of Sonendo Inc is about −88.4%, meaning it is currently running at a net loss. Based on the latest reported figures.
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