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Biogen Inc.
BIIBHealthcareGenerated Aug 19, 2026, 11:16 PM UTC
BIIB (Biogen Inc.) analytical snapshot. Revenue grew +2.2% YoY to $9.89B. 5-year revenue CAGR -2.1%; 10y CAGR -1.6%. Net margin at 13.07% (contracting ▼). Market cap $32.71B at $221.56 per share. Trailing P/E 25.21, P/S 3.31, P/B 2.21. EV/Operating income ≈ 12.70 (EV $36.09B). Risk: Moderate. Macro: Risk-on · Supportive. Composite analytical score 7 (data confidence 84%). Descriptive analytics from public filings — not investment advice.
Free SEC analysis
— computed from SEC filings, free to readFilings & Ownership
Latest annual report (10-K) filed Feb 6, 2026. Latest quarterly report (10-Q) filed Jul 29, 2026. 18 recent 8-K material-event filings in the index.
- Latest annual report (10-K) filed Feb 6, 2026.
- Latest quarterly report (10-Q) filed Jul 29, 2026.
- 18 recent 8-K material-event filings in the index.
- Recent insider Form 4s: 0 buy vs 2 sell transactions — net selling $239.7K.
- ~10,000+ recent 13F-HR filings reference Biogen Inc.; broad institutional reporting.
- Recent filers include Woodford Investment Management Ltd, Woodford Investment Management Ltd, Woodford Investment Management Ltd.
- 3 recent 13D activist/beneficial-ownership filings — potential catalyst.
- 17 recent 13G passive institutional ownership notices.
| Filer | Form | Filed |
|---|---|---|
| Woodford Investment Management Ltd | 13F-HR | Jun 6, 2018 |
| Woodford Investment Management Ltd | 13F-HR | Nov 14, 2018 |
| Woodford Investment Management Ltd | 13F-HR | Aug 22, 2019 |
| Woodford Investment Management Ltd | 13F-HR | Aug 9, 2018 |
| Woodford Investment Management Ltd | 13F-HR | Aug 9, 2018 |
| Insider | Date | Net | Buys/Sells |
|---|---|---|---|
| Minor Lloyd | Aug 5, 2026 | -$239.7K | 0/2 |
| Date | Form | Description |
|---|---|---|
| Jul 29, 2026 | 8-K | 8-K |
| Jul 1, 2026 | 8-K | 8-K |
| Jun 10, 2026 | 8-K | CURRENT REPORT |
| May 14, 2026 | 8-K | 8-K |
| Apr 29, 2026 | 8-K | 8-K |
| Apr 6, 2026 | 8-K | 8-K |
| Mar 31, 2026 | 8-K | 8-K |
| Mar 11, 2026 | 8-K | CURRENT REPORT |
SEC Filing Deep-Analysis
2 risk signal(s), 1 positive signal(s) detected from XBRL filing diff analysis. Free cash flow declined despite stable or rising capex, indicating the cash burn is operational rather than investment-driven. This is a structural concern — cost reduction or asset sales may be needed to restore FCF.
- Gross margin compression: Gross margin contracted +10.7%pp (from 128.4% to 117.7%). This may reflect input cost inflation, pricing pressure, or product mix shift toward lower-margin segments.
- Free cash flow deteriorating: FCF declined +24.7% YoY (from $2.72B to $2.05B). With OCF at $2.20B and capex at $153.8M, cash generation capacity is weakening — monitor for dividend/buyback sustainability.
- Operating cash flow exceeds net income: OCF is 1.71x net income, indicating high earnings quality — cash conversion is strong and accruals are not inflating reported profits.
- Endogenous analysis: Free cash flow declined despite stable or rising capex, indicating the cash burn is operational rather than investment-driven. This is a structural concern — cost reduction or asset sales may be needed to restore FCF.
- 3 new XBRL disclosure(s) in latest filing — expanding reporting scope.
- 20 disclosure(s) dropped from prior year — reduced reporting granularity.
| Metric | Prior year | Latest year | Change | % Change |
|---|---|---|---|---|
| Revenue | $9.68B | $9.89B | $214.7M | +2.2% |
| Gross profit | $12.42B | $11.64B | $-783.1M | -6.3% |
| Operating income | $4.55B | $2.84B | $-1.71B | -37.6% |
| Net income | $1.63B | $1.29B | $-339.3M | -20.8% |
| Operating cash flow | $2.88B | $2.20B | $-670.9M | -23.3% |
| Capex | $153.7M | $153.8M | $100000 | +0.1% |
| Total assets | $28.05B | $29.44B | $1.39B | +5.0% |
| Total liabilities | $11.33B | $11.18B | $-150.6M | -1.3% |
| Long-term debt | $6.30B | $6.29B | $-9.0M | -0.1% |
| Cash & equivalents | $2.38B | $3.01B | $633.5M | +26.7% |
| Stockholders equity | $16.72B | $18.26B | $1.54B | +9.2% |
| Inventory | $2.46B | $2.17B | $-292.4M | -11.9% |
| Accounts receivable | $1.40B | $1.34B | $-62.4M | -4.4% |
| R&D expense | $1.22B | $1.33B | $115.3M | +9.5% |
| SG&A expense | $2.40B | $2.43B | $29.9M | +1.2% |
| Interest expense | $250.3M | $267.5M | $17.2M | +6.9% |
| Type | Concepts |
|---|---|
| Added | IncomeTaxExaminationEstimateOfPossibleLoss, ProceedsFromSaleAndMaturityOfMarketableSecurities, RestructuringAndRelatedCostExpectedCostRemaining1 |
| Removed | AccountsReceivableNetCurrent, AccruedRoyaltiesCurrent, AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition, AdvertisingExpense, AmortizationOfIntangibleAssets, BuildingsAndImprovementsGross, BusinessCombinationContingentConsiderationLiabilityCurrent, CommonStockSharesAuthorized, CommonStockSharesIssued, CommonStockSharesOutstanding |
| Term | Severity | Recent | Prior | Status |
|---|---|---|---|---|
| Restructuring | medium | 5 | 10 | Ongoing |
| Related party transactions | low | 5 | 1 | Ongoing |
Fundamentals
Revenue grew +2.2% YoY to $9.89B. 5-year revenue CAGR -2.1%; 10y CAGR -1.6%. Net margin at 13.07% (contracting ▼).
- Revenue grew +2.2% YoY to $9.89B.
- 5-year revenue CAGR -2.1%; 10y CAGR -1.6%.
- Net margin at 13.07% (contracting ▼).
- Return on equity 7.08%, ROA 4.39%, ROIC 0.00%.
- Gross margin 0.00%, operating margin 0.00%.
- Free cash flow margin 20.73% ($2.05B).
- Net income down ▼ +20.8% YoY.
- Debt/equity 0.42, current ratio 3.06, net debt $3.37B.
- Asset turnover 0.34 — capital efficiency.
| FY | Revenue | Rev YoY | Gross% | Op% | Net% | FCF | ROE% |
|---|---|---|---|---|---|---|---|
| 2024 | $9.68B | -1.6% | 0.00 | 0.00 | 16.87 | $2.72B | 9.76 |
| 2025 | $9.89B | +2.2% | 0.00 | 0.00 | 13.07 | $2.05B | 7.08 |
| Quarter end | Revenue | YoY | QoQ | Net margin |
|---|---|---|---|---|
| Jun 30, 2024 | $2.46B | +0.4% | — | 23.68% |
| Sep 30, 2024 | $2.47B | -2.5% | +0.0% | 15.76% |
| Mar 31, 2025 | $2.43B | +6.1% | -1.4% | 9.89% |
| Jun 30, 2025 | $2.65B | +7.3% | +8.8% | 24.00% |
| Sep 30, 2025 | $2.53B | +2.8% | -4.2% | 18.40% |
| Mar 31, 2026 | $2.48B | +1.9% | -2.2% | 12.89% |
Pro analysis — preview
— score, signals & key metrics shown; full reasoning lockedValuation
Market cap $32.71B at $221.56 per share. Trailing P/E 25.21, P/S 3.31, P/B 2.21. EV/Operating income ≈ 12.70 (EV $36.09B).
- Market cap $32.71B at $221.56 per share.
Price & Technicals
Price $221.56 — uptrend (above 200-DMA); 1-month momentum positive. RSI(14) 66.51.
- Price $221.56 — uptrend (above 200-DMA); 1-month momentum positive.
Macro & Rates
Risk-on · Supportive. Real GDP growth 1.50% (quarterly, as of Apr 1, 2026). CPI inflation +3.3% YoY. Fed funds rate 3.63%, 10Y Treasury 4.71%.
- Market regime: Risk-on · Supportive.
Risk Scorecard
Composite risk Moderate. Leverage debt/equity 0.42 (moderate). Liquidity current ratio 3.06 (adequate).
- Composite risk: Moderate.
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Macro exposure
Defensive · Low sensitivityMacro regime: Risk-on · Supportive. Biogen Inc. is a defensive name (low macro sensitivity) — a supportive backdrop, though defensives lag risk-on tapes.
Analytical read
deterministic previewPrice $221.56 — uptrend (above 200-DMA); 1-month momentum positive..
Peer comparison
Defensive groupHow BIIB stacks up against tracked peers with similar macro sensitivity — by analytical score and macro exposure.
| Company | Score | Macro |
|---|---|---|
| DexCom Inc. DXCM | 21 | Neutral |
| Bristol-Myers Squibb BMY | 19 | Neutral |
| Eli Lilly & Co. LLY | 17 | Neutral |
| HCA Healthcare HCA | 9 | Neutral |
| Gilead Sciences GILD | 8 | Neutral |
| Johnson & Johnson JNJ | 8 | Neutral |
| Abbott Laboratories ABT | 7 | Neutral |
| Biogen Inc. BIIB● you | 7 | Neutral |
| Intuitive Surgical Inc. ISRG | 7 | Neutral |
| Coca-Cola Co. KO | 6 | Neutral |
| Thermo Fisher Scientific TMO | 3 | Neutral |
| Regeneron Pharmaceuticals REGN | 3 | Neutral |
| Danaher Corp. DHR | 1 | Neutral |
| Merck & Co. MRK | 0 | Neutral |
| Zoetis Inc. ZTS | 0 | Neutral |
| Illumina Inc. ILMN | 0 | Neutral |
| Colgate-Palmolive CL | -2 | Neutral |
| Vertex Pharmaceuticals VRTX | -2 | Neutral |
| AbbVie Inc. ABBV | -5 | Neutral |
| Procter & Gamble PG | -7 | Neutral |
| CVS Health Corp. CVS | -8 | Neutral |
| Mondelez International MDLZ | -10 | Neutral |
| Amgen Inc. AMGN | -10 | Neutral |
| Cigna Group CI | -11 | Neutral |
| Kroger Co. KR | -12 | Neutral |
| Costco Wholesale COST | -14 | Neutral |
| Walmart Inc. WMT | -14 | Neutral |
| Pfizer Inc. PFE | -15 | Neutral |
| PepsiCo Inc. PEP | -16 | Neutral |
| Sysco Corp. SYY | -16 | Neutral |
| Hershey Co. HSY | -17 | Neutral |
| Kimberly-Clark Corp. KMB | -18 | Neutral |
| Moderna Inc. MRNA | -21 | Neutral |
| UnitedHealth Group UNH | -25 | Neutral |