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BIIB trades against a final fair-value range of $192.23-$314.03, with the midpoint set by the accepted valuation synthesis rather than earlier draft model outputs. Fair value range: low $192, high $314, with mid-point at $253.
Stock analysis

BIIB BIIB fair value $192–$314

BIIB
By StockMarketAgent.AI team· supervised by
分析日: 2026-05-13次回更新: 2026-08-13Methodology v2.5Review: automatedArchetype: Mature compounder
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株価
$199.36
▲ +53.72 (+26.95%)
公正価値
$253
$192–$314
評価
強い買い
confidence 83/100
上昇余地
+26.9%
upside to fair value
安全余裕率
$215.12
MoS level · 15%
時価総額
$29.4B
P/E fwd 12.0
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§1 エグゼクティブサマリー

  • Composite fair value $253 with high case $314.
  • Implied upside of 26.9% to fair value.
  • Moat 6.5/10 · confidence 83/100 · Mature compounder.
  • Trades below fair value with a meaningful cushion to the midpoint.
Fair value
$253
Margin of safety
+21.2%
Confidence
83/100
Moat
6.5/10

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

$199.36Price
Low $192.23
Mid $253.08
High $314.03

BIIB trades against a final fair-value range of $192.23-$314.03, with the midpoint set by the accepted valuation synthesis rather than earlier draft model outputs.

  • Legacy MS franchise cash flows
    Legacy MS franchise cash flows
  • Alzheimer's first-mover pipeline (Leqembi)
    Alzheimer's first-mover pipeline (Leqembi)
  • Cycle upside
    Alzheimer's therapeutic breakthrough scaling.

§2 ベアケース

Leqembi adoption is stunted by administration bottlenecks or safety concerns while the MS franchise erodes faster than modeled, forcing sustained margin compression and multiple degradation.

このテーゼが崩れる経路

Leqembi Market Rejection

· Medium

Severe administration bottlenecks and ARIA safety concerns permanently stunt Leqembi uptake.

FV impact
-30%

Accelerated Generic MS Erosion

· High

Legacy MS products lose market share far faster than expected, crashing trailing cash flows before pipeline kicks in.

FV impact
-25%

Adverse Regulatory Pricing

· Low

Global structural drug pricing pressures disproportionately target Biogen's high-margin neurology portfolio.

FV impact
-15%
監視すべき早期警戒シグナル
指標現在トリガーしきい値
Quarterly Leqembi revenue significantly misses internal valuation cross-check.MonitorDeterioration versus the report thesis
Gross margins compress structurally below the 70% threshold.MonitorDeterioration versus the report thesis
Maintenance capex elevates structurally above 2% of revenue.MonitorDeterioration versus the report thesis
Market share in Alzheimer's is lost to emerging competitor products.MonitorDeterioration versus the report thesis
Faster-than-expected erosion of legacy products like Tecfidera and Tysabri.MonitorDeterioration versus the report thesis

§3 財務履歴

損益計算書 — 直近6期
項目T−0T−1T−2T−3CAGR
期間2022-12-312023-12-312024-12-312025-12-31Trend
売上高$10.17B$9.84B$9.68B$9.89B-0.9%
売上総利益$7.90B$7.30B$7.37B$7.49B-1.8%
営業利益$2.90B$1.85B$2.28B$2.47B-5.2%
純利益$3.05B$1.16B$1.63B$1.29B-24.9%
EPS (希薄化後)$20.87$7.97$11.18$8.79-25.0%
EBITDA$4.36B$2.04B$2.83B$2.60B-15.8%
研究開発$2.23B$2.45B$1.98B$1.78B-7.3%
販管費$2.40B$2.55B$2.40B$2.43B+0.4%

品質スコア

OCF / 純利益
1.71×
>1 は利益の質が高いことを示す
会計品質ゲート
Fail
セクター調整後ゲート
ROIC
5.8%
投下資本利益率
セクション 3

Numbers analysis

キャッシュフロー

Cash-flow quality is reflected in the OCFOperating cash flowCash generated from the company's core operations after working-capital changes but before capital expenditures. The first line of the cash-flow statement. / net incomeNet IncomeNet Income is an income-statement line item used to reconcile revenue to operating profit, pre-tax income, net income, or per-share earnings. It should be compared across periods and against peer disclosure conventions., accounting-quality, and ROICROICReturn on invested capital. Operating profit (after tax) divided by invested capital. The single best gauge of capital-efficiency. Spread over WACC = economic value created. rows above.

資本配分

Capital allocation should be evaluated against reinvestment needs, balance-sheet strength, and shareholder returns.

個人サブスクライバー — §4以降11セクション追加

完全な分析を読む — 11セクション追加。

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

BIIB — frequently asked questions

  1. Based on our latest analysis, BIIB looks meaningfully undervalued. The current price is $199 versus a composite fair-value midpoint of $253 (range $192–$314), which implies roughly 26.9% upside to the midpoint.
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