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Vertex is a highly profitable, mature compounder with a dominant franchise in cystic fibrosis generating massive free cash flow. The next phase of growth relies on successfully commercializing its pipeline, including CASGEVY for sickle cell disease and novel pain treatments. Fair value range: low $428, high $722, with mid-point at $574.
Stock analysis

VRTX Vertex Pharmaceuticals Incorporated fair value $574–$722

VRTX
By StockMarketAgent.AI team· supervised by
Analyzed: 2026-05-10Next update: 2026-08-10Methodology v2.4Archetype: Mature compounderNASDAQ · Health Care
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Last price
$429.82
▲ +144.64 (+33.65%)
Fair value
$574
$574–$722
Rating
Strong Buy
confidence 88/100
Upside
+33.6%
upside to fair value
Margin of Safety
$488.29
buy below · 15%
Market Cap
$109.1B
P/E fwd 19.9

§1 Executive summary

  • Dominant CF monopoly provides highly durable baseline cash flows.
  • Fair value of $574.46 relies on Multi-Stage Moat Fade and DCF models capturing extended moat duration.
  • Next-phase growth hinges on commercial scaling of CASGEVY and clinical execution of non-opioid pain therapeutics.
  • Strong balance sheet with $5B in cash/marketables and robust 92% OCF-to-Net-Income conversion.
Fair value
$574
Margin of safety
+25.2%
Confidence
88/100
Moat
9/10

Educational analysis only — not financial advice. Always do your own due diligence.

$429.82Price
FV $574.46
High $721.5

Vertex is a highly profitable, mature compounder with a dominant franchise in cystic fibrosis generating massive free cash flow. The next phase of growth relies on successfully commercializing its pipeline, including CASGEVY for sickle cell disease and novel pain treatments.

  • Cystic fibrosis therapeutics monopoly with
    Cystic fibrosis therapeutics monopoly with high switching costs and IP protection
  • Specialized distribution and manufacturing scale
    Specialized distribution and manufacturing scale
  • Cycle upside
    Biotech expansion phase driven by favorable FDA approvals, loose capital access, and premium valuations assigned to de-risked late-stage assets.

§2 Bear case

A 5x5 sensitivitySensitivity analysisA 5×5 grid showing how fair value moves under different combinations of two key drivers (typically Ke and terminal growth). Stress-tests the central case. grid highlights that if operating margins compress below historical norms or terminal growthTerminal growthThe perpetual growth rate assumed in the Gordon-growth terminal-value calculation. Capped below long-run nominal GDP (typically 2.5–3.0% for developed-market firms). decelerates below 2.0%, fair valueFair valueOur composite estimate of intrinsic per-share value, blended across DCF, exit-multiple, and reverse-DCF methods. Reported as a low/mid/high range to capture model uncertainty. approaches the $428.44 floor. Base FCFFFree cash flow to firmCash flow available to all capital providers (debt and equity) before financing costs. Discounted at WACC to derive enterprise value. remains positive under stress without a capital cliff, provided R&D leverageLeverageThe proportion of debt in the company's capital structure. Commonly measured as Debt/EBITDA, Debt/Equity, or Net Debt/EBITDA. holds.

Ways this thesis can break

CASGEVY Launch Stalls

· Low

Severe underperformance in commercial scaling of CASGEVY due to treatment center bottlenecks or reimbursement pushback, impairing growth.

FV impact
Moderate
Trigger
1-3 Years

Pain Pipeline Failure

· Medium

Phase 3 failures or regulatory rejection of the non-opioid pain pipeline (JOURNAVX), eliminating a key diversification pillar.

FV impact
High
Trigger
1-2 Years

CF Monopoly Disruption

Very Low· Low

Unexpected success of a rival one-time gene-editing therapy functionally curing CF, prematurely collapsing the core TRIKAFTA revenue stream.

FV impact
Severe
Trigger
5+ Years
Early-warning signals to monitor
MetricCurrentTrigger threshold
Deceleration in new CF patient uptake metricsMonitorDeterioration versus the report thesis
Reimbursement delays for CASGEVY in key European marketsMonitorDeterioration versus the report thesis
R&D expense inflating faster than revenue without advancing clinical progressionMonitorDeterioration versus the report thesis
Operating margins systematically dropping below the modeled 38% base assumptionMonitorDeterioration versus the report thesis
Insider selling volume materially exceeding historical baseline averagesMonitorDeterioration versus the report thesis

§3 Financial history

Income statement — last six periods
Line itemT−0T−1T−2T−3CAGR
Period2022-12-312023-12-312024-12-312025-12-31Trend
Revenue$8.93B$9.87B$11.02B$12.00B+10.4%
Gross profit$7.85B$8.61B$9.49B$10.35B+9.7%
Operating income$4.25B$3.78B$-233.4M$4.55B+2.3%
Net income$3.32B$3.62B$-535.6M$3.95B+6.0%
EPS (diluted)$12.82$13.89$-2.08$15.32+6.1%
EBITDA$4.44B$4.61B$486.3M$4.87B+3.1%
R&D$2.66B$3.69B$8.26B$4.04B+15.0%
SG&A$944.7M$1.14B$1.46B$1.75B+22.9%

Quality scores

Piotroski F-score
6 / 9
0–9 quality composite
Altman Z-score
11.53
Bankruptcy risk (>3 safe)
OCF / Net income
0.92×
>1 indicates high earnings quality
Accounting quality gate
Pass
Sector-adjusted gate
ROIC
17.8%
Return on invested capital
§3

Numbers analysis

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Read the full analysis — 11 more sections.

Competitive moat, industry cycle, peer comparison, intrinsic valuation, sensitivity, scenarios, earnings decision tree, position management, investor perspectives, scorecard, and final recommendation.

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FAQ

VRTX — frequently asked questions

  1. Based on our latest analysis, VRTX looks meaningfully undervalued. The current price is $430 versus a composite fair-value midpoint of $574 (range $428–$722), which implies roughly 33.6% upside to the midpoint.
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