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PureTech Health plc (PRTCY) fair value: what the stock is really worth

As of Sep 25, 2026: fair value of PureTech Health plc $3.38, price $15.39, upside -78.0%, quality 45 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? No
  2. Good quality? No
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Healthcare · US

PH PureTech Health plc logo Thin data Sep 24, 2026

PureTech Health plc

PRTCY · US

Weakest SetupStrongly overvalued and low quality.

!Fair value $3.38 · Strongly overvalued (−78.0%)
!Quality 45/100
!Mixed Growth (revenue 3y +30.6 %/yr)
!Low debt · negative free cash flow
!Trails peers (2/8)
!Narrow moat 20/100
!Insider activity 40/100
!Evidence only low, so the estimate is less certain
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What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

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

Price vs Fair Value

$18.61 $14.40 Fair Value $3.38 Apr 2026 Sep 2026

White line = price, green steps = our fair value per fiscal year. As of Sep 24, 2026.

How to read this chart

5‑month range $14.40 – $18.61 · fair‑value band $2.23 – $4.23 · the $15.39 price screens above the $3.38 fair value. As of Sep 24, 2026.

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Company profile

PureTech Health plc, engages in the development and commercialization of biotechnology and pharmaceutical solutions in the United States.

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PureTech Health plc, engages in the development and commercialization of biotechnology and pharmaceutical solutions in the United States. It is developing LYT-100, a Phase 3-ready therapeutic candidate with the potential to establish a new standard of care (SOC) for the treatment of idiopathic pulmonary fibrosis (IPF) and other fibrotic lung diseases and LYT-200, a fully human IgG4 monoclonal antibody. The company also develops SPT-300, a Glyphed oral prodrug of allopregnanolone for the treatment of anxious depression; and delivers transformative medicines for patients with psychiatric and neurological conditions. In addition, the company develops hydrogels to enable the oral administration of peptide therapeutics in preclinical development and oral therapies based on defined bacterial consortia that is in phase 3 clinical stage. PureTech Health plc was incorporated in 2015 and is based in Boston, Massachusetts.

Stock analysis

PureTech Health plc (PRTCY) currently trades at $15.39, while our model-based Fair Value estimate is $3.38, implying the stock looks roughly 355.4% overvalued today.

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Valuation

How firm this estimate is: it rests on 1 models at a data quality of 89/100, which puts the evidence level at low.

Scenario range: $2.23 (bear) to $4.23 (bull), the price of $15.39 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.

Quality & growth

The Quality Score stands at 45/100 (below-average quality), in the Healthcare sector.

Mixed Growth: Revenue is growing, but margins or cash flow do not fully confirm the trend.

PureTech Health plc reported revenue of $4.7M in FY2025 versus $2.1M in FY2022, a compound +30.6%/yr. Reported net income was −$110M in FY2025.

Key figures

Market cap $422M · P/S ratio 90.6 · EPS (TTM) $−4.60 · Return on equity −30.9% · Return on assets (EBIT) −22.6% · Operating margin −1,798% · Revenue (TTM) $4.7M · Revenue growth (YoY) −38.2%.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 42 out of 100 (medium confidence).

What moves the price

For context, the median of 10 Healthcare peers we cover trades at 10% fair-value upside, at −78%, PRTCY screens richer than that median.

Fair Value models

Bear $2.23 Fair Value $3.38 Bull $4.23
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single 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. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
NCAV (Graham) $6.41 $8.59 $12.82 54
All 1 models by family
Asset-Based
NCAV (Graham) $6.41 $8.59 $12.82 54

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Quality Score breakdown

Overall quality 45/100

Of which business quality 43 · Market factors (momentum, volatility) 35

Profitability 0
Margins and returns on capital today
Quality Growth 31
Are margins and returns improving?
Cashflow 6
Earnings quality: real cash, not paper profit
Fin. Strength 72
Balance sheet, leverage, solvency risk
Investment 100
Disciplined investing over empire-building
Low Volatility 49
Calm price path (market factor)
Momentum 35
Price trend over the last 3–12 months (market factor)
52W Momentum 18
Distance to the 52-week high (market factor)
Net Issuance 85
Share count: buybacks or dilution?

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Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 36/100
Revenue is growing, but margins or cash flow do not fully confirm the trend.
Revenue growth 1 year
+8.0%
Revenue growth 3 years ⓘ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. Per-share growth (which does include buybacks) is in the value-creation card.
+30.6%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−9,464.4% (2022) → −2,114.7% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
not computed

PRTCY screens 355% overvalued. Compare with Vertex Pharmaceuticals Incorporated →

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Peer Groupⓘ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.Biotechnology · 655 stocks

Beats the industry median on 1/6 measures
Overall it trails its industry peers.
Valuation
Quality Score 43 · Below median
Fair Value upside −78.0% · Bottom 25%
Profitability
Return on assets −10.8% · Below median
Growth and dividend
Revenue growth −38.2% · Bottom 25%

Valuation Multiplesvs Biotechnology median · lower = cheaper

P/B 1.35× · Cheaper than median
P/S (TTM) 90.60× · Priciest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 0
FUTURE (revenue growth)0 · sector 0
PAST (return on equity)0 · sector 0
HEALTH (low debt)100 · sector 97
DIVIDEND (yield)0 · sector 23

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

Context: sector, industry, market

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 Biotechnology stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
Vertex Pharmaceuticals Incorporated VRTX $522.38 $574.62 +10%
Regeneron Pharmaceuticals, Inc REGN $788.04 $1,275 +62%
argenx SE ARGX $959.49 $918.60 −4%
CSL Limited CSL A$176.95 A$194.65 +10%
Samsung Biologics Co 207940 1,366,000 KRW 1,502,600 KRW +10%
BeOne Medicines AG ONC $360.85 $280.94 −22%
Alnylam Pharmaceuticals, Inc ALNY $255.96 $217.88 −15%
Royalty Pharma plc RPRX $58.21 $19.01 −67%
Celltrion, Inc 068270 177,400 KRW 74,519 KRW −58%
WuXi Biologics (Cayman) Inc 2269 HK$53.00 HK$58.30 +10%

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PureTech Health plc · Fair Value
$3.38 −355%Fair Value
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Cite: Fair Value Calculator (2026). "PureTech Health plc Fair Value". https://www.fairvalue-calculator.com/stock/PRTCY

Frequently asked questions

Is PureTech Health plc (PRTCY) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of $3.38 versus a price of $15.39, about −78% upside (overvalued).
What is the fair value of PRTCY?
Our model-based fair value for PureTech Health plc is $3.38 (as of Sep 24, 2026), built from audited fundamentals. The current price: $15.39.
What is the quality score of PRTCY?
PureTech Health plc has a Quality Score of 45/100. 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 price target for PureTech Health plc (PRTCY)?
Our model-based price target is the fair value of $3.38 (as of Sep 24, 2026) from 1 valuation models. Cautious scenario $2.23, optimistic scenario $4.23. It is a calculation from audited fundamentals, not an analyst target.
What is the PureTech Health plc stock forecast for 2026?
Our models put fair value at $3.38, about −78% upside versus a price of $15.39 (overvalued). Cautious scenario $2.23, optimistic scenario $4.23. The calculation is refreshed regularly with new filings.
What is the revenue of PureTech Health plc (PRTCY)?
PureTech Health plc reported trailing-twelve-month revenue of about $4.7M (latest available figure, as of Sep 24, 2026).
What is the intrinsic value of PureTech Health plc (PRTCY)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For PureTech Health plc it is $3.38 per share (as of Sep 24, 2026), against a price of $15.39. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is PureTech Health plc stock overvalued or undervalued in 2026?
As of Sep 24, 2026, PRTCY trades above its calculated fair value: price $15.39, fair value $3.38, a gap of about −78% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of PRTCY?
No. The price is what the market pays today ($15.39); the fair value is what the company's own numbers justify ($3.38). For PureTech Health plc the two are $12.01 per share apart. That gap is exactly why we show both numbers side by side.
How much is PureTech Health plc worth?
The market values PureTech Health plc at about $422M (market capitalisation, as of Sep 24, 2026). Per share that is $15.39; our models calculate a fair value of $3.38 per share.
What do the bullish and bearish scenarios say about PRTCY?
Our models span a range for PureTech Health plc: cautious scenario $2.23, base $3.38, optimistic $4.23 per share (as of Sep 24, 2026, price $15.39). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of PureTech Health plc (PRTCY)?
Balance-sheet figures for PureTech Health plc (as of Sep 24, 2026): return on equity −30.9%. They feed the Quality Score of 45/100, which measures business quality independently of the share price.
Which stocks are comparable to PureTech Health plc?
From the same area (Healthcare) we also value Vertex Pharmaceuticals Incorporated, Regeneron Pharmaceuticals, Inc, argenx SE, CSL Limited, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is PureTech Health plc stock attractive at the current price?
The data as of Sep 24, 2026: price $15.39, calculated fair value $3.38 (−78%), Quality Score 45/100, from 1 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of PRTCY calculated?
We run PureTech Health plc through 1 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of $3.38, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 13.9 % above its aggregate fair value. PureTech Health plc itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of PureTech Health plc (PRTCY)?
The closing price on Sep 25, 2026 was $15.39. Our model-based fair value is $3.38, about −78% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with PureTech Health plc right now?
The price sits above even our optimistic bull case ($4.23). The favourable scenario is already priced in. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution. Solid but not exceptional quality (45/100) and above fair value, neither a clear bargain nor a standout compounder. A fairly wide model range ($2.23 to $4.23) leaves room in how you read the outcome.

Key figures of PureTech Health plc

How large is the market capitalisation of PureTech Health plc (PRTCY)?
The market capitalisation of PureTech Health plc is $422M. The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of PureTech Health plc (PRTCY)?
The price-to-sales ratio of PureTech Health plc is 90.6 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of PureTech Health plc (PRTCY)?
Earnings per share at PureTech Health plc are $−4.60. Earnings per share over the last twelve months: total profit spread across every single share.
What is the return on equity of PureTech Health plc (PRTCY)?
The return on equity (ROE) of PureTech Health plc is −30.9% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of PureTech Health plc (PRTCY)?
On an EBIT basis the return on assets of PureTech Health plc is −22.6% (avg 4y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of PureTech Health plc (PRTCY)?
The operating margin of PureTech Health plc is −1,798% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at PureTech Health plc (PRTCY)?
Revenue at PureTech Health plc is growing −38.2% versus a year earlier (3y avg +30.6%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How much free cash flow does PureTech Health plc (PRTCY) generate?
The free cash flow of PureTech Health plc is −$85.1M (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
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