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Keros Therapeutics Inc (KROS) Fair Value & Analysis

Healthcare · US · Market cap $208M · ISIN US4923271013

KT Keros Therapeutics Inc logo Keros Therapeutics Inc KROS · US
Price$11.03
Fair Value$10.20
Upside-7.5%
Quality79/100
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Strengths

Low debt · generates free cash flow
Ranks above peers (7/9)

Risks

!Mixed Growth (revenue 3y +130.2 %/yr)
!Thin margins · 0.0% net margin
!Narrow moat 27/100
!Evidence only low, so the estimate is less certain
Mixed Growth (revenue 3y +130.2 %/yr)
Thin margins · 0.0% net margin
Low debt · generates free cash flow
Ranks above peers (7/9)
Narrow moat 27/100
Evidence: Low Range $7.69 – $12.76 Share as image

Fair value as of: Aug 18, 2026

From 24 valuation models · updated 13 days ago

Fair value updated Aug 18, 2026, revised from $10.24 to $10.20 (−0.3%) since Aug 13, 2026. Share price +10.6% over the past month.

A strong business, currently priced close to our fair value.

What runs behind every stock

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

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What matters now

  • The price sits close to our fair value, market and models broadly agree here, little valuation tension.
  • Evidence is limited here (fewer models, shorter history), so the fair value is a rougher estimate than usual.
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Price vs Fair Value (5 years)

$70.48 $9.55 Fair Value $10.20 May 2021 Aug 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 18, 2026.

How to read this chart

60‑month range $9.55 – $70.48 · fair‑value band $7.69 – $12.76 · the $11.03 price screens above the $10.20 fair value. Dashed = 300-day average. As of Aug 18, 2026.

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Analysis

Keros Therapeutics Inc (KROS) currently trades at $11.03, while our model-based Fair Value estimate is $10.20, implying the stock looks roughly 7.5% fairly valued today. The Quality Score stands at 79/100 (high quality), in the Healthcare sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium, the entry price still matters most (evidence: low).

It earns a return on equity of -16.8%. The balance sheet holds a net cash position of $271M. Fundamentals as of Aug 18, 2026

Our scenario range runs from $7.69 (bear case) to $12.76 (bull case); at $11.03, the current price sits within 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 about 51% below its 52-week high and 14% above its 52-week low, currently below its 200-day average. For context, the median of 10 Healthcare peers we cover trades at -59% fair-value upside, at -7%, KROS screens cheaper than that median.

Fair Value models

Each model estimates fair value its own way; the Fair Value above is the evidence-weighted 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.

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
FCF DCF $77.59 $103.03 $177.29 76
Growth DCF $73.57 $110.03 $167.00 75
EPV $37.14 $39.89 $42.12 74
All 24 models by family
DCF Models
FCF DCF $77.59 $103.03 $177.29 76
Owner Earnings $63.05 $110.11 $192.24 71
5Y Revenue Exit $54.63 $76.73 $122.38 69
5Y EBITDA Exit $61.41 $90.42 $147.01 72
5Y P/E Exit $83.52 $164.75 $274.65 66
10Y Revenue Exit $62.19 $101.71 $121.84 65
10Y EBITDA Exit $67.29 $114.16 $190.55 64
10Y P/E Exit $81.09 $154.73 $273.73 59
Earnings-Based
Graham-Dodd $29.84 $208.12 $292.06 61
Lynch FV $107.52 $153.60 $199.68 59
PEG = 1.0 $107.52 $153.60 $199.68 55
EPV $37.14 $39.89 $42.12 74
Multiples
P/E Multiple $72.41 $96.55 $120.69 63
P/S Multiple $32.31 $43.08 $53.85 58
P/B Multiple $51.60 $68.80 $86.00 55
EV/EBIT $59.66 $74.80 $89.94 66
EV/EBITDA $52.45 $65.18 $77.91 67
EV/Revenue $40.10 $51.17 $62.25 54
Asset-Based
NCAV (Graham) $7.64 $10.24 $15.29 54
Growth DCF
Growth DCF $73.57 $110.03 $167.00 75
Rev-Margin DCF $58.36 $85.76 $143.55 69
Economic Profit
Residual Income $23.20 $31.83 $154.24 56
ROIC Compounder $38.14 $42.25 $46.14 70
Growth Earnings
Growth-Adj P/E $142.73 $203.90 $265.06 65

Widest divergence: Growth Earnings ($203.90) versus Asset-Based ($10.24). Highest evidence: FCF DCF (76).

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Key figures & financial health

P/S ratio 13.8 TTM
EPS (TTM) $-3.34
Net margin 35.7% FY2025
Return on equity -17.2% TTM
Return on assets (EBIT) -23.8% avg 5y
Operating margin -656% TTM
More key figures
Balance sheet & cash flow
Free cash flow $106M FY2025
Net cash $271M FY2025

Figures from reported company fundamentals · as of Aug 18, 2026. TTM = trailing twelve months.

Quality Score breakdown

Overall quality 79/100

Of which business quality 83 · Market factors (momentum, volatility) 22

Profitability 89
Margins and returns on capital today
Quality Growth 89
Are margins and returns improving?
Cashflow 87
Earnings quality: real cash, not paper profit
Fin. Strength 100
Balance sheet, leverage, solvency risk
Investment 90
Disciplined investing over empire-building
Low Volatility 41
Calm price path (market factor)
Momentum 19
Price trend over the last 3–12 months (market factor)
52W Momentum 6
Distance to the 52-week high (market factor)
Net Issuance 34
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

Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics to treat patients with disorders linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States.

Full company description

Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics to treat patients with disorders linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States. It develops rinvatercept, which acts as a ligand trap and inhibits the biological effects of myostatin and activin A in Phase 1 clinical trials for Duchenne Muscular Dystrophy and Amyotrophic Lateral Sclerosis; and elritercept to target TGF-ß signaling pathways to address diseases that arise from ineffective hematopoiesis in Phase 3 clinical trials for Myelodysplastic Syndromes and Phase 2 clinical trials for Myelofibrosis. The company has collaboration and license agreements with Hansoh (Shanghai) Healthtech Co., Ltd. to develop, manufacture, and commercialize elritercept and licensed products containing elritercept; and Takeda Pharmaceuticals U.S.A., Inc. to develop, manufacture, and commercialize elritercept and certain derivative compounds. Keros Therapeutics, Inc. was incorporated in 2015 and is headquartered in Lexington, Massachusetts.

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

Revenue & earnings trend

FY2021 – FY2025 · reported fiscal years

Keros Therapeutics Inc reported revenue of $244M in FY2025 versus $20.1M in FY2021, a compound +86.7%/yr. Reported net income was $87.0M in FY2025.

Growth Quality 82/100
Revenue is growing, but margins or cash flow do not fully confirm the trend.
Latest Revenue (FY 2025)
$244M
Latest YoY
+6,775.0%
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.
+130.2%
Avg. revenue growth/yr (7Y) 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.
+57.8%
Value creation/yr We only publish this rate when it is defensible. Reason: no profitable base year
not computed
Revenue +86.7%/yr
FY21 $20.1M
FY22 $20.0M
FY23 $151K
FY24 $3.6M
FY25 $244M
Net income
FY21 −$58.7M
FY22 −$105M
FY23 −$153M
FY24 −$187M
FY25 $87.0M

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Cite: Fair Value Calculator (2026). "Keros Therapeutics Inc Fair Value". https://www.fairvalue-calculator.com/stock/KROS

Peer Group

Biotechnology · 640 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 79 · Top 25%
Fair Value upside −8% · Top 25%
Return on assets -12% · Below median
Net margin (TTM) 0% · Above median
Debt / equity 0.02× · Lower than median

Valuation Multiples vs Biotechnology median · lower = cheaper

P/B 0.69× · Cheaper than median
P/S (TTM) 13.84× · Pricier than 75% of peers
P/FCF 2.0× · Cheaper than median

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
VALUE23 · sector 0
FUTURE0 · sector 0
PAST0 · sector 0
HEALTH99 · sector 98
DIVIDEND0 · sector 26

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 (as of Aug 18, 2026).

Stock Price Fair Value vs Fair Value
Vertex Pharmaceuticals Incorporated VRTX $547.55 $278.78 -49%
Regeneron Pharmaceuticals, Inc REGN $807.71 $594.40 -26%
argenx SE ARGX €877.60 €292.84 -67%
Samsung Biologics Co 207940 1,594,000 KRW 1,055,793 KRW -34%
Alnylam Pharmaceuticals, Inc ALNY $228.61 $51.70 -77%
Royalty Pharma plc RPRX $60.58 $24.22 -60%
Celltrion, Inc 068270 190,700 KRW 74,519 KRW -61%
BeOne Medicines AG ONC $362.51 $111.35 -69%
BioNTech SE BNTX $111.40 $45.66 -59%
Incyte Corporation INCY $128.12 $115.79 -10%

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Frequently asked questions

Is Keros Therapeutics Inc (KROS) overvalued or undervalued?
As of Aug 18, 2026, our model estimates a fair value of $10.20 versus a price of $11.03, about −7% (fairly valued).
What is the fair value of KROS?
Our model-based fair value for Keros Therapeutics Inc is $10.20 (as of Aug 18, 2026), built from audited fundamentals. The current price: $11.03.
What is the quality score of KROS?
Keros Therapeutics Inc has a Quality Score of 79/100. 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.

How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.

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