EN DE
Check 35,000+ stocks against 26 valuation models and 37 quality factors
Data-driven stock valuation

Rapport Therapeutics, Inc. (RAPP) fair value: what the stock is really worth

As of Sep 24, 2026: fair value of Rapport Therapeutics, Inc. $9.81, price $33.83, upside -71.0%, quality 28 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
  3. Add to watchlist

Healthcare · US · ISIN US75383L1026

RT Rapport Therapeutics, Inc. logo Thin data Sep 23, 2026

Rapport Therapeutics, Inc.

RAPP · US

Weakest SetupStrongly overvalued and low quality.

!Fair value $9.81 · Strongly overvalued (−71%)
!Quality 28/100
!negative free cash flow
!Trails peers (1/7)
!Narrow moat 8/100
!Insider activity 44/100
!Evidence only low, so the estimate is less certain
Watch Rapport Therapeutics, Inc. Common Stock for free, get notified when fair value or trend changes. Plus fair value for all 35,000+ stocks, 14 days of Pro free, no card. Watch for free Pro now: $1 first month

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

$52.50 $7.15 Fair Value $9.81 Jun 2024 Sep 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 23, 2026.

How to read this chart

28‑month range $7.15 – $52.50 · fair‑value band $6.48 – $12.27 · the $33.83 price screens above the $9.81 fair value. Dashed = 300-day average. As of Sep 23, 2026.

Follow Rapport Therapeutics, Inc. Common Stock in your weekly email

Every Wednesday you see whether Rapport Therapeutics, Inc. Common Stock is on track or worth a review, plus price against fair value. Free, up to 3 stocks.

We send you a confirmation link. Unsubscribe with one click.

Which stocks are undervalued right now? Check free Discover now →

Company profile

Rapport Therapeutics, Inc., operates as a clinical-stage biopharmaceutical company that focuses on the discovery and development of transformational small molecule medicines for patients suffering from central nervous system (CNS) disorders.

Show more

Rapport Therapeutics, Inc., operates as a clinical-stage biopharmaceutical company that focuses on the discovery and development of transformational small molecule medicines for patients suffering from central nervous system (CNS) disorders. The company's lead product candidate is receptor associated protein (RAP)-219, an investigational small molecule that is designed to inhibit TARPy8-containing AMPARs with picomolar affinity for the treatment of focal epilepsy and other CNS disorders, including peripheral neuropathic pain and bipolar disorder. It also develops nicotinic acetylcholine receptor (nAChR) programs, such as a6 nAChR to treat chronic pain and migraine; and a9a10 nAChR for the treatment of hearing/vestibular disorders. The company was formerly known as Precision Neuroscience NewCo, Inc. and changed its name to Rapport Therapeutics, Inc. in October 2022. Rapport Therapeutics, Inc. was incorporated in 2022 and is headquartered in Boston, Massachusetts.

Stock analysis

Rapport Therapeutics, Inc. Common Stock (RAPP) currently trades at $33.83, while our model-based Fair Value estimate is $9.81, implying the stock looks roughly 244.8% overvalued today.

Show more

Valuation

How firm this estimate is: it rests on 1 models at a data quality of 88/100, which puts the evidence level at low.

Scenario range: $6.48 (bear) to $12.27 (bull), the price of $33.83 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 28/100 (below-average quality), in the Healthcare sector.

Rapport Therapeutics, Inc. Common Stock reported revenue of $0 in FY2025 versus $0 in FY2023. Reported net income was −$111M in FY2025.

Key figures

Market cap $1.9B · P/S ratio 97.0 · EPS (TTM) $−3.03 · Return on equity −40.0% · Return on assets (EBIT) −26.7% · Operating margin −768% · Revenue (TTM) $20.0M · Free cash flow −$88.1M.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (low confidence).

What moves the price

The share trades about 36% below its 52-week high and 39% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Healthcare peers we cover trades at −5% fair-value upside, at −71%, RAPP screens richer than that median.

Fair Value models

Bear $6.48 Fair Value $9.81 Bull $12.27
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. 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) $5.05 $6.77 $10.10 51
All 1 models by family
Asset-Based
NCAV (Graham) $5.05 $6.77 $10.10 51

Open the full fair value analysis →

Notify me when RAPP reaches fair value

Put RAPP on your watchlist. We get in touch as soon as price and fair value meet or the trend turns.

Set up alert →

Quality Score breakdown

Overall quality 28/100

Of which business quality 35 · Market factors (momentum, volatility) 50

Profitability 0
Margins and returns on capital today
Quality Growth 66
Are margins and returns improving?
Cashflow 19
Earnings quality: real cash, not paper profit
Fin. Strength 84
Balance sheet, leverage, solvency risk
Investment 0
Disciplined investing over empire-building
Low Volatility 31
Calm price path (market factor)
Momentum 64
Price trend over the last 3–12 months (market factor)
52W Momentum 49
Distance to the 52-week high (market factor)
Net Issuance 35
Share count: buybacks or dilution?

Open the full quality analysis →

Revenue & earnings trend

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

RAPP screens 245% overvalued. Compare with Vertex Pharmaceuticals Incorporated →

Compare Rapport Therapeutics, Inc. Common Stock with another stock

Price, fair value, quality and upside side by side.

Free, no sign-up

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 · 654 stocks

Beats the industry median on 1/6 measures
Overall it trails its industry peers.
Valuation
Quality Score 35 · Below median
Fair Value upside −71% · Below median
Profitability
Return on assets −26% · Below median
Growth and dividend
Revenue growth 0% · Above median

Valuation Multiplesvs Biotechnology median · lower = cheaper

P/B 4.00× · Priciest 25%
P/S (TTM) 97.04× · 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 $522.38 $574.62 +10%
Regeneron Pharmaceuticals, Inc REGN $801.82 $1,252 +56%
argenx SE ARGX $963.79 $918.60 −5%
Samsung Biologics Co 207940 1,366,000 KRW 1,502,600 KRW +10%
CSL Limited CSL A$179.12 A$197.03 +10%
Alnylam Pharmaceuticals, Inc ALNY $251.65 $218.36 −13%
Royalty Pharma plc RPRX $58.52 $24.22 −59%
BeOne Medicines AG 6160 HK$218.20 HK$169.72 −22%
Celltrion, Inc 068270 177,400 KRW 74,519 KRW −58%
BioNTech SE BNTX $100.87 $63.62 −37%

Explore undervalued stocks

More undervalued Healthcare stocks →

All undervalued stocks TechnologyFinancial ServicesHealthcareConsumer CyclicalConsumer DefensiveCommunication ServicesIndustrialsEnergyBasic MaterialsReal EstateUtilities Deeply Undervalued StocksUndervalued High-Quality StocksUndervalued Blue-Chip StocksUndervalued Small-Cap StocksUndervalued Dividend Stocks

Try a ready-made strategy

Pick a strategy and jump into the live analysis with that exact screen applied.

🥇 Backtested Best 🏆 Big Names ⭐ Top Rated 💎 Quality on Sale 🚀 Profitable Growth 🧊 Quality Compounders 💵 Dividend Stars 📈 Strong Momentum 📉 Fallen Angels ⚖️ Deeply Undervalued 🔍 Small-Cap Gems 🏰 Moat at a Fair Price 💼 Insider Buying 🎩 Buffett-Style Quality 📚 Peter Lynch GARP 🧮 Greenblatt Magic Formula 🛡️ Graham Defensive

Discover tools

Stock screenerFilter by region, size and sector Compare toolTwo stocks side by side Extrinsic Value Calculator…Calculator with industry benchmark Peter Lynch Fair Value Formula &…Calculator with industry benchmark
Run the numbers yourself: free valuation calculators
DCF CalculatorGraham NumberPeter Lynch FormulaDDM CalculatorFama-French ModelIntrinsic Value
For bloggers & editors: embed code + live data

For bloggers, editors and developers: paste this into your site or blog (a “Custom HTML” block in WordPress), it shows the current fair value and links back here. Free, plain HTML, and welcome. Full data streams (CSV/JSON) at /developers.

Rapport Therapeutics, Inc. Common Stock · Fair Value
$9.81 −245%Fair Value
Calculator →

Cite: Fair Value Calculator (2026). "Rapport Therapeutics, Inc. Common Stock Fair Value". https://www.fairvalue-calculator.com/stock/RAPP

Frequently asked questions

Is Rapport Therapeutics, Inc. (RAPP) overvalued or undervalued?
As of Sep 23, 2026, our model estimates a fair value of $9.81 versus a price of $33.83, about −71% upside (overvalued).
What is the fair value of RAPP?
Our model-based fair value for Rapport Therapeutics, Inc. Common Stock is $9.81 (as of Sep 23, 2026), built from audited fundamentals. The current price: $33.83.
What is the quality score of RAPP?
Rapport Therapeutics, Inc. Common Stock has a Quality Score of 28/100. 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 Rapport Therapeutics, Inc. (RAPP)?
Our model-based price target is the fair value of $9.81 (as of Sep 23, 2026) from 1 valuation models. Cautious scenario $6.48, optimistic scenario $12.27. It is a calculation from audited fundamentals, not an analyst target.
What is the Rapport Therapeutics, Inc. Common Stock stock forecast for 2026?
Our models put fair value at $9.81, about −71% upside versus a price of $33.83 (overvalued). Cautious scenario $6.48, optimistic scenario $12.27. The calculation is refreshed regularly with new filings.
What is the revenue of Rapport Therapeutics, Inc. (RAPP)?
Rapport Therapeutics, Inc. Common Stock reported trailing-twelve-month revenue of about $20.0M (latest available figure, as of Sep 23, 2026).
What is the intrinsic value of Rapport Therapeutics, Inc. (RAPP)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Rapport Therapeutics, Inc. Common Stock it is $9.81 per share (as of Sep 23, 2026), against a price of $33.83. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is Rapport Therapeutics, Inc. Common Stock stock overvalued or undervalued in 2026?
As of Sep 23, 2026, RAPP trades above its calculated fair value: price $33.83, fair value $9.81, a gap of about −71% (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 RAPP?
No. The price is what the market pays today ($33.83); the fair value is what the company's own numbers justify ($9.81). For Rapport Therapeutics, Inc. Common Stock the two are $24.02 per share apart. That gap is exactly why we show both numbers side by side.
How much is Rapport Therapeutics, Inc. Common Stock worth?
The market values Rapport Therapeutics, Inc. Common Stock at about $1.9B (market capitalisation, as of Sep 23, 2026). Per share that is $33.83; our models calculate a fair value of $9.81 per share.
What do the bullish and bearish scenarios say about RAPP?
Our models span a range for Rapport Therapeutics, Inc. Common Stock: cautious scenario $6.48, base $9.81, optimistic $12.27 per share (as of Sep 23, 2026, price $33.83). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Rapport Therapeutics, Inc. (RAPP)?
Balance-sheet figures for Rapport Therapeutics, Inc. Common Stock (as of Sep 23, 2026): return on equity −40.0%. They feed the Quality Score of 28/100, which measures business quality independently of the share price.
How far is RAPP from its 52-week high?
Rapport Therapeutics, Inc. Common Stock trades at $33.83, about 36% below its 52-week high of $52.50 and 39% above the low of $24.37 (as of Sep 24, 2026). Distance from the high says nothing about value: that is what the fair value of $9.81 is for.
Which stocks are comparable to Rapport Therapeutics, Inc. Common Stock?
From the same area (Healthcare) we also value Vertex Pharmaceuticals Incorporated, Regeneron Pharmaceuticals, Inc, argenx SE, Samsung Biologics Co, 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 Rapport Therapeutics, Inc. Common Stock stock attractive at the current price?
The data as of Sep 23, 2026: price $33.83, calculated fair value $9.81 (−71%), Quality Score 28/100, 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 RAPP calculated?
We run Rapport Therapeutics, Inc. Common Stock 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 $9.81, 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 14.0 % above its aggregate fair value. Rapport Therapeutics, Inc. Common Stock 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 Rapport Therapeutics, Inc. (RAPP)?
The closing price on Sep 24, 2026 was $33.83. Our model-based fair value is $9.81, about −71% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Rapport Therapeutics, Inc. Common Stock right now?
The price sits above even our optimistic bull case ($12.27). The favourable scenario is already priced in. Weak quality (28/100) 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 ($6.48 to $12.27) leaves room in how you read the outcome.

Key figures of Rapport Therapeutics, Inc. Common Stock

How large is the market capitalisation of Rapport Therapeutics, Inc. (RAPP)?
The market capitalisation of Rapport Therapeutics, Inc. Common Stock is $1.9B. 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 Rapport Therapeutics, Inc. (RAPP)?
The price-to-sales ratio of Rapport Therapeutics, Inc. Common Stock is 97.0 (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 Rapport Therapeutics, Inc. (RAPP)?
Earnings per share at Rapport Therapeutics, Inc. Common Stock are $−3.03. Earnings per share over the last twelve months: total profit spread across every single share.
What is the return on equity of Rapport Therapeutics, Inc. (RAPP)?
The return on equity (ROE) of Rapport Therapeutics, Inc. Common Stock is −40.0% (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 Rapport Therapeutics, Inc. (RAPP)?
On an EBIT basis the return on assets of Rapport Therapeutics, Inc. Common Stock is −26.7% (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 Rapport Therapeutics, Inc. (RAPP)?
The operating margin of Rapport Therapeutics, Inc. Common Stock is −768% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How much free cash flow does Rapport Therapeutics, Inc. (RAPP) generate?
The free cash flow of Rapport Therapeutics, Inc. Common Stock is −$88.1M (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 Rapport Therapeutics, Inc. (RAPP) hold?
Rapport Therapeutics, Inc. Common Stock holds more cash than debt, $41.2M net (fiscal year 2025). The company holds more cash than debt, a safety cushion.
Free · no account needed

Watch Rapport Therapeutics, Inc. Common Stock in the live analysis

One click puts Rapport Therapeutics, Inc. Common Stock on your watchlist: fair value and trend at a glance, plus comparison, the diversification check and the 35,000+ stock screener. You can also try 14 days of Pro there, no card.

Watch for free →

Zero risk: nothing is ever charged. Your watchlist is yours, with or without an account.