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Solid Biosciences LLC (SLDB) fair value: what the stock is really worth

As of Oct 2, 2026: fair value of Solid Biosciences LLC $1.22, price $6.85, upside -82.3%, quality 36 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 · ISIN US83422E2046

SB Solid Biosciences LLC logo Thin data Sep 29, 2026

Solid Biosciences LLC

SLDB · US

Weakest SetupStrongly overvalued and low quality.

!Fair value $1.22 · Strongly overvalued (−82.3%)
!Quality 36/100
!Weak Growth (revenue YoY −40.6 %/yr)
!negative free cash flow
!Trails peers (1/6)
!Narrow moat 5/100
!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

$56.55 $1.89 Fair Value $1.22 Jul 2021 Oct 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 29, 2026.

How to read this chart

60‑month range $1.89 – $56.55 · fair‑value band $0.7990 – $1.51 · the $6.85 price screens above the $1.22 fair value. Dashed = 300-day average. As of Sep 29, 2026.

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Company profile

Solid Biosciences Inc. develops therapies for neuromuscular and cardiac diseases in the United States. The company's lead product candidate is SGT-003, which is in phase 1/2 for the treatment of Duchenne muscular dystrophy.

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Solid Biosciences Inc. develops therapies for neuromuscular and cardiac diseases in the United States. The company's lead product candidate is SGT-003, which is in phase 1/2 for the treatment of Duchenne muscular dystrophy. It develops SGT-212 for the treatment of Friedreich's ataxia that is in phase 1b clinical trial; SGT-501 for the treatment of catecholaminergic polymorphic ventricular tachycardia that is in preclinical phase; SGT-601 the treatment of TNNT2-mediated dilated cardiomyopathy, which is in preclinical phase; SGT-401 for the treatment of BAG3-mediated dilated cardiomyopathy that is in preclinical phase; SGT-701 for treatment of rare inherited disease characterized by mutations in the RBM20 gene, which is in discovery phase; and other drugs for the treatment of cardiac and other diseases. In addition, the company is involved in developing platform technologies, including capsid libraries; genetic regulators, such as promoters, UTRs, and introns; immunomodulation technologies; manufacturing purity; and dual gene expression, a technology for packaging multiple transgenes into one capsid. The company has collaboration and license agreement with Ultragenyx Pharmaceutical Inc.; and a license agreement with the University of Washington, University of Missouri, University of Florida, and ICS Maugeri S.p.A. Solid Biosciences Inc. was incorporated in 2013 and is headquartered in Charlestown, Massachusetts.

Stock analysis

Solid Biosciences LLC (SLDB) currently trades at $6.85, while our model-based Fair Value estimate is $1.22, 82.3% below the price, so the stock looks overvalued today.

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Valuation

How firm this estimate is: it rests on 1 models at a data quality of 96/100, which puts the evidence level at low.

Scenario range: $0.7990 (bear) to $1.51 (bull), the price of $6.85 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 36/100 (below-average quality), in the Healthcare sector.

Weak Growth: Revenue growth is weak, negative or inconsistent.

Solid Biosciences LLC reported revenue of $0 in FY2025 versus $13.6M in FY2021. Reported net income was −$174M in FY2025.

Key figures

Market cap $984M · EPS (TTM) $−1.89 · Return on equity −65.5% · Return on assets (EBIT) −56.2% · Free cash flow −$157M · Net cash $38.7M.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 22 out of 100 (medium confidence).

What moves the price

The share trades about 39% below its 52-week high and 74% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Healthcare peers we cover trades at 10% fair-value upside, at −82%, SLDB screens richer than that median.

Fair Value models

Bear $0.7990 Fair Value $1.22 Bull $1.51
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) $0.8400 $1.12 $1.68 51
All 1 models by family
Asset-Based
NCAV (Graham) $0.8400 $1.12 $1.68 51

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Quality Score breakdown

Overall quality 36/100

Of which business quality 40 · Market factors (momentum, volatility) 29

Profitability 0
Margins and returns on capital today
Quality Growth 25
Are margins and returns improving?
Cashflow 26
Earnings quality: real cash, not paper profit
Fin. Strength 97
Balance sheet, leverage, solvency risk
Investment 100
Disciplined investing over empire-building
Low Volatility 0
Calm price path (market factor)
Momentum 39
Price trend over the last 3–12 months (market factor)
52W Momentum 46
Distance to the 52-week high (market factor)
Net Issuance 0
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. 0/100
Revenue growth is weak, negative or inconsistent.
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

SLDB screens overvalued: fair value 82% below the price. 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 · 625 stocks

Beats the industry median on 1/5 measures
Overall it trails its industry peers.
Valuation
Quality Score 40 · Below median
Fair Value upside −79.5% · Bottom 25%
Profitability
Return on assets −36.4% · Bottom 25%
Operating margin (TTM) 0.0% · Above median

Valuation Multiplesvs Biotechnology median · lower = cheaper

P/B 5.57× · Priciest 25%

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 $527.67 $580.44 +10%
Regeneron Pharmaceuticals, Inc REGN $752.25 $1,275 +69%
argenx SE ARGX $959.49 $918.60 −4%
CSL Limited CSL A$175.35 A$192.89 +10%
Samsung Biologics Co 207940 1,354,000 KRW 1,489,400 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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Solid Biosciences LLC · Fair Value
$1.22 −82%Fair Value
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Cite: Fair Value Calculator (2026). "Solid Biosciences LLC Fair Value". https://www.fairvalue-calculator.com/stock/SLDB

Frequently asked questions

Is Solid Biosciences LLC (SLDB) overvalued or undervalued?
As of Sep 29, 2026, our model estimates a fair value of $1.22 versus a price of $6.85, about −82% upside (overvalued).
What is the fair value of SLDB?
Our model-based fair value for Solid Biosciences LLC is $1.22 (as of Sep 29, 2026), built from audited fundamentals. The current price: $6.85.
What is the quality score of SLDB?
Solid Biosciences LLC has a Quality Score of 36/100. 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 Solid Biosciences LLC (SLDB)?
Our model-based price target is the fair value of $1.22 (as of Sep 29, 2026) from 1 valuation models. Cautious scenario $0.7990, optimistic scenario $1.51. It is a calculation from audited fundamentals, not an analyst target.
What is the Solid Biosciences LLC stock forecast for 2026?
Our models put fair value at $1.22, about −82% upside versus a price of $6.85 (overvalued). Cautious scenario $0.7990, optimistic scenario $1.51. The calculation is refreshed regularly with new filings.
What is the intrinsic value of Solid Biosciences LLC (SLDB)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Solid Biosciences LLC it is $1.22 per share (as of Sep 29, 2026), against a price of $6.85. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is Solid Biosciences LLC stock overvalued or undervalued in 2026?
As of Sep 29, 2026, SLDB trades above its calculated fair value: price $6.85, fair value $1.22, a gap of about −82% (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 SLDB?
No. The price is what the market pays today ($6.85); the fair value is what the company's own numbers justify ($1.22). For Solid Biosciences LLC the two are $5.63 per share apart. That gap is exactly why we show both numbers side by side.
How much is Solid Biosciences LLC worth?
The market values Solid Biosciences LLC at about $984M (market capitalisation, as of Sep 29, 2026). Per share that is $6.85; our models calculate a fair value of $1.22 per share.
What do the bullish and bearish scenarios say about SLDB?
Our models span a range for Solid Biosciences LLC: cautious scenario $0.7990, base $1.22, optimistic $1.51 per share (as of Sep 29, 2026, price $6.85). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Solid Biosciences LLC (SLDB)?
Balance-sheet figures for Solid Biosciences LLC (as of Sep 29, 2026): return on equity −65.5%. They feed the Quality Score of 36/100, which measures business quality independently of the share price.
How far is SLDB from its 52-week high?
Solid Biosciences LLC trades at $6.85, about 39% below its 52-week high of $11.15 and 74% above the low of $3.93 (as of Oct 2, 2026). Distance from the high says nothing about value: that is what the fair value of $1.22 is for.
Which stocks are comparable to Solid Biosciences LLC?
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 Solid Biosciences LLC stock attractive at the current price?
The data as of Sep 29, 2026: price $6.85, calculated fair value $1.22 (−82%), Quality Score 36/100, 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 SLDB calculated?
We run Solid Biosciences LLC 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 $1.22, 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 14.5 % above its aggregate fair value. Solid Biosciences LLC 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 Solid Biosciences LLC (SLDB)?
The closing price on Oct 2, 2026 was $6.85. Our model-based fair value is $1.22, about −82% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Solid Biosciences LLC right now?
The price sits above even our optimistic bull case ($1.51). The favourable scenario is already priced in. Weak quality (36/100) 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 ($0.7990 to $1.51) leaves room in how you read the outcome.

Key figures of Solid Biosciences LLC

How large is the market capitalisation of Solid Biosciences LLC (SLDB)?
The market capitalisation of Solid Biosciences LLC is $984M. 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 are the earnings per share of Solid Biosciences LLC (SLDB)?
Earnings per share at Solid Biosciences LLC are $−1.89. Earnings per share over the last twelve months: total profit spread across every single share.
What is the return on equity of Solid Biosciences LLC (SLDB)?
The return on equity (ROE) of Solid Biosciences LLC is −65.5% (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 Solid Biosciences LLC (SLDB)?
On an EBIT basis the return on assets of Solid Biosciences LLC is −56.2% (avg 5y). 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.
How much free cash flow does Solid Biosciences LLC (SLDB) generate?
The free cash flow of Solid Biosciences LLC is −$157M (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net cash does Solid Biosciences LLC (SLDB) hold?
Solid Biosciences LLC holds more cash than debt, $38.7M net (fiscal year 2025). The company holds more cash than debt, a safety cushion.
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