ARGX vs MDGL vs BIIB Stock Comparison

Argenx Se, Madrigal Pharmaceuticals and Biogen Prices as of Oct 29, 2026 Peers: Industry group
ARGX Argenx Se
$897.85 -7.5% 1M +9.2% 1Y
Market cap
$55.56B
P/E
29.3x
Revenue (TTM)
$5.82B
Div. yield
–
Biotechnology Healthcare
4 wins
BIIB Biogen Inc.
$249.65 +9.9% 1M +68.8% 1Y
Market cap
$36.90B
P/E
106.2x
Revenue (TTM)
$10.30B
Div. yield
–
Biotechnology Healthcare
3 wins

Head to Head

10 decided of 12

Argenx Se leads on 4 of the 12 questions below (Argenx Se 4, Biogen 3, Madrigal Pharmaceuticals 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionARGXMDGLBIIBLeader
Larger companyMarket capitalisation $55.56B $12.58B $36.90B ARGX
Cheaper on earningsLower P/E, profitable companies only 29.3x -38.7x 106.2x ARGX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.3x — 19.5x BIIB
Faster revenue growthRevenue growth, trailing twelve months +61.5% +149.0% +2.3% MDGL
More profitableNet margin, trailing twelve months 32.3% -25.3% 3.4% ARGX
Better return on capitalReturn on invested capital — — 1.3% –
Less leveragedLower net debt / EBITDA — 1.6x 4.5x MDGL
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +9.2% +2.4% +68.8% BIIB
Better 5-year returnAnnualised price return, 5 years +24.4%/yr +40.9%/yr -1.3%/yr MDGL
Less volatileAnnualised volatility, 1 year 36.9% 43.5% 34.3% BIIB
Higher overall scoreMean of the five percentile scores vs peers 92/100 66/100 60/100 ARGX

Percentile Scorecard

ARGXMDGLBIIB

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisARGXMDGLBIIB
Valuation 83 #108 of 624 74 #165 of 624 92 #53 of 624
Growth 95 #34 of 601 68 #194 of 601 26 #444 of 601
Profitability 98 #11 of 541 74 #139 of 541 87 #72 of 541
Financial Health – 40 #388 of 647 33 #432 of 647
Shareholder Returns – 75 #92 of 359 –
Overall 92 66 60
  • ARGX ranked among 671 companies in Pharmaceuticals and Biotechnology
  • MDGL ranked among 671 companies in Pharmaceuticals and Biotechnology
  • BIIB ranked among 671 companies in Pharmaceuticals and Biotechnology

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodARGXMDGLBIIBSPY
1 month -7.5%-15.3%+9.9% +0.7%
3 months +2.9%-12.5%+20.1% +3.7%
6 months +14.9%-16.6%+31.9% +7.1%
Year to date +6.8%-25.9%+41.9% +12.8%
1 year +9.2%+2.4%+68.8% +11.9%
3 years +93.4%+242.2%+5.2% +85.2%
3 years, per year +24.6%+50.7%+1.7% +22.8%
5 years +197.3%+455.2%-6.4% +67.6%
5 years, per year +24.4%+40.9%-1.3% +10.9%
10 years —+2,463.5%-12.0% +262.0%
10 years, per year —+38.3%-1.3% +13.7%

Risk

MeasureARGXMDGLBIIBSPY
Volatility, 1Y 36.9%43.5%34.3% 12.7%
Downside volatility, 1Y 34.7%41.6%32.8% 12.6%
Beta vs S&P 500, 1Y 0.390.300.25 1.00
Return / volatility, 1Y 0.250.062.01 0.94
Max drawdown, 5Y -38.2%-61.4%-64.4% -25.4%
From 52-week high -15.2%-28.4%-1.7% -1.2%
52-week high $1,058.90$602.83$253.84 $779.14
52-week low $663.93$412.35$147.86 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleARGXMDGLBIIB
P/E now vs peer median 29.3xmedian 17.8x -38.7xmedian 17.8x 106.2xmedian 17.8x
P/S now vs peer median 9.5xmedian 9.1x 9.8xmedian 9.1x 3.6xmedian 9.1x
EV/EBITDA now vs peer median —median 15.0x -37.8xmedian 15.0x 32.3xmedian 15.0x
P/FCF now vs peer median —median 21.7x -61.0xmedian 21.7x 17.8xmedian 21.7x
P/B now vs peer median —median 2.2x 24.0xmedian 2.2x 2.0xmedian 2.2x
PEG now vs peer median 0.28median 0.35 -2.62median 0.35 -2.76median 0.35

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsARGXMDGLBIIB
Revenue $5.82B $1.28B $10.30B
Gross profit $5.24B – $7.62B
Operating income $1.74B -$322.62M $445.10M
Net income $1.88B -$325.11M $347.50M
Free cash flow – -$206.29M $2.07B
R&D $1.80B $490.14M $2.15B
EPS (diluted) $28.43 $-11.15 $2.35
Cash & equivalents – $292.73M $1.30B
Total debt – $340.79M $7.29B
Shares (diluted) 66.03M 29.15M 147.80M
Enterprise value $55.56B $8.84B $26.22B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricARGXMDGLBIIB
P/E 29.3x -38.7x 106.2x
P/FCF – -61.0x 17.8x
P/Operating cash flow – -63.6x 16.4x
P/S 9.5x 9.8x 3.6x
P/B – 24.0x 2.0x
P/Tangible book – 24.4x 6.7x
EV/EBITDA – -37.8x 32.3x
EV/EBIT 31.9x -37.5x 96.4x
EV/Revenue 9.5x 9.4x 4.2x
EV/FCF – -58.6x 20.7x
EV/Operating cash flow – -61.1x 19.1x
PEG (3Y EPS CAGR) 0.28 -2.62 -2.76

Growth

14 metrics
MetricARGXMDGLBIIB
Revenue growth (1Y) 61.5% 149.0% 2.3%
Revenue CAGR (3Y) 80.5% – 1.0%
Gross profit growth (1Y) 62.2% – 0.6%
Gross profit CAGR (3Y) 80.0% – 0.5%
Operating income growth (1Y) 120.6% -4.1% -76.6%
Operating income CAGR (3Y) 85.1% 0.8% -34.8%
Net income growth (1Y) 22.5% -15.3% -78.4%
Net income CAGR (3Y) 115.5% 0.5% -38.1%
EPS growth (1Y) 20.9% 12.1% -78.5%
EPS CAGR (3Y) 104.8% 14.8% -38.5%
Operating cash flow growth (1Y) – 35.7% -8.4%
Operating cash flow CAGR (3Y) – 10.6% 18.2%
Free cash flow growth (1Y) – 33.1% -10.1%
Free cash flow CAGR (3Y) – 9.4% 24.9%

Profitability

14 metrics
MetricARGXMDGLBIIB
Gross margin 90.0% – 74.0%
EBITDA margin – -24.9% 12.9%
Operating margin 29.9% -25.1% 4.3%
Pretax margin 32.6% -24.8% 4.3%
Net margin 32.3% -25.3% 3.4%
FCF margin – -16.1% 20.1%
Operating cash flow margin – -15.4% 21.8%
Return on equity – -59.8% 1.8%
Return on assets – -25.8% 1.1%
Return on invested capital – – 1.3%
Return on capital employed – -37.4% 1.6%
Asset turnover – 1.0x 0.3x
Cash conversion (OCF / net income) – 0.6x 6.5x
Stock comp / revenue – 9.5% 2.9%

Financial Health

11 metrics
MetricARGXMDGLBIIB
Debt / assets – 27.4% 22.7%
Debt / equity – 0.7x 0.4x
Net debt / EBITDA – 1.6x 4.5x
Debt / FCF – -1.7x 3.5x
Liabilities / assets – 57.9% 41.0%
Equity / assets – 42.1% 59.0%
Interest coverage 10,120x -10.2x –
Current ratio – 3.2x 1.9x
Quick ratio – 2.8x 0.9x
Cash ratio – 2.2x 0.3x
Altman Z-score – 8.92 3.11

Shareholder Returns

7 metrics
MetricARGXMDGLBIIB
Dividend yield – – –
Net buyback yield – -0.3% –
Shareholder yield – -0.3% –
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusARGXMDGLBIIB
Forward P/E 29.3xFY2026 – 19.5xFY2026
EPS, next fiscal year $30.63FY2026 $-6.25FY2026 $12.81FY2026
EPS growth, next FY +56.5%FY2026 – -16.2%FY2026
EPS growth, the year after +26.9% – +36.5%
Revenue, next fiscal year $6.08BFY2026 $1.46BFY2026 $9.96BFY2026
Revenue growth, next FY +43.1%FY2026 +52.7%FY2026 +0.7%FY2026
Revenue growth, the year after +22.9% +36.3% +11.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersARGXMDGLBIIB
Held by institutions 46.1% 80.9% 96.4%
Institutions holding 505 413 1,037
Change in shares held, QoQ -2.0% -0.6% +6.0%
Institutions buying 264 225 549
Institutions selling 161 128 294
Buyers to sellers 1.64 1.76 1.87

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

ARGXMDGLBIIB
ARGX 1.00 0.29 0.21
MDGL 0.29 1.00 0.13
BIIB 0.21 0.13 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ARGX, MDGL and BIIB?

Argenx Se (ARGX) is the largest by market capitalisation: Argenx Se (ARGX) $55.56B, Madrigal Pharmaceuticals (MDGL) $12.58B, Biogen (BIIB) $36.90B.

Which stock is cheaper, ARGX, MDGL and BIIB?

Argenx Se (ARGX) trades on the lowest price-to-earnings ratio (Argenx Se (ARGX) 29.3x, Madrigal Pharmaceuticals (MDGL) -38.7x, Biogen (BIIB) 106.2x). On next year's consensus earnings, Biogen (BIIB) is cheapest (Argenx Se (ARGX) 29.3x, Biogen (BIIB) 19.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Madrigal Pharmaceuticals (MDGL) grew revenue fastest over the trailing twelve months: Argenx Se (ARGX) +61.5%, Madrigal Pharmaceuticals (MDGL) +149.0%, Biogen (BIIB) +2.3%.

Which company is more profitable?

Argenx Se (ARGX) has the highest net margin (Argenx Se (ARGX) 32.3%, Madrigal Pharmaceuticals (MDGL) -25.3%, Biogen (BIIB) 3.4%).

Which stock has performed better?

Over the past year Biogen (BIIB) returned the most: Argenx Se (ARGX) +9.2%, Madrigal Pharmaceuticals (MDGL) +2.4%, Biogen (BIIB) +68.8%. Over five years, Madrigal Pharmaceuticals (MDGL) compounded fastest (Argenx Se (ARGX) +24.4%/yr, Madrigal Pharmaceuticals (MDGL) +40.9%/yr, Biogen (BIIB) -1.3%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Biogen (BIIB) has been the steadiest (Argenx Se (ARGX) 36.9%, Madrigal Pharmaceuticals (MDGL) 43.5%, Biogen (BIIB) 34.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ARGX, MDGL and BIIB?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Argenx Se (ARGX) leads on 4. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.