GILD vs AMGN vs BIIB Stock Comparison

Gilead Sciences, Amgen and Biogen Prices as of Nov 2, 2026 Peers: Industry group
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GILD Gilead Sciences, Inc.
$170.33 +17.7% 1M +42.2% 1Y
Market cap
$211.38B
P/E
–
Revenue (TTM)
$30.46B
Div. yield
1.91%
Biotechnology Healthcare
2 wins
AMGN Amgen Inc
$465.45 +15.5% 1M +56.0% 1Y
Market cap
$251.62B
P/E
28.7x
Revenue (TTM)
$38.10B
Div. yield
2.14%
Biotechnology Healthcare
8 wins
BIIB Biogen Inc.
$249.01 +13.2% 1M +61.4% 1Y
Market cap
$36.81B
P/E
105.9x
Revenue (TTM)
$10.30B
Div. yield
–
Biotechnology Healthcare
2 wins

Head to Head

12 decided of 12

Amgen leads on 8 of the 12 questions below (Amgen 8, Biogen 2, Gilead Sciences 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionGILDAMGNBIIBLeader
Larger companyMarket capitalisation $211.38B $251.62B $36.81B AMGN
Cheaper on earningsLower P/E, profitable companies only -65.3x 28.7x 105.9x AMGN
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 21.3x 19.4x BIIB
Faster revenue growthRevenue growth, trailing twelve months +5.5% +9.1% +2.3% AMGN
More profitableNet margin, trailing twelve months -10.6% 23.0% 3.4% AMGN
Better return on capitalReturn on invested capital -6.0% 14.3% 1.3% AMGN
Less leveragedLower net debt / EBITDA 87.7x 2.7x 4.5x AMGN
Higher dividend yieldTrailing dividend yield 1.91% 2.14% — AMGN
Better 1-year returnPrice return, last 12 months +42.2% +56.0% +61.4% BIIB
Better 5-year returnAnnualised price return, 5 years +20.4%/yr +16.4%/yr -2.3%/yr GILD
Less volatileAnnualised volatility, 1 year 27.3% 29.7% 34.2% GILD
Higher overall scoreMean of the five percentile scores vs peers 60/100 66/100 59/100 AMGN

Percentile Scorecard

GILDAMGNBIIB

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

AxisGILDAMGNBIIB
Valuation 90 #66 of 623 84 #98 of 623 91 #56 of 623
Growth 31 #413 of 601 62 #231 of 601 26 #447 of 601
Profitability 85 #85 of 553 94 #32 of 553 87 #73 of 553
Financial Health 21 #514 of 654 22 #508 of 654 34 #434 of 654
Shareholder Returns 74 #96 of 367 67 #121 of 367 –
Overall 60 66 59
  • GILD ranked among 671 companies in Pharmaceuticals and Biotechnology
  • AMGN 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

PeriodGILDAMGNBIIBSPY
1 month +17.7%+15.5%+13.2% -2.3%
3 months +29.9%+22.9%+23.4% -0.7%
6 months +28.4%+43.7%+33.0% +4.8%
Year to date +38.8%+42.2%+41.5% +10.3%
1 year +42.2%+56.0%+61.4% +10.3%
3 years +108.8%+72.5%-0.2% +73.0%
3 years, per year +27.8%+19.9%-0.1% +20.1%
5 years +152.7%+113.4%-10.9% +61.9%
5 years, per year +20.4%+16.4%-2.3% +10.1%
10 years +134.9%+235.6%-10.2% +258.6%
10 years, per year +8.9%+12.9%-1.1% +13.6%

Risk

MeasureGILDAMGNBIIBSPY
Volatility, 1Y 27.3%29.7%34.2% 12.8%
Downside volatility, 1Y 23.9%28.0%32.8% 12.8%
Beta vs S&P 500, 1Y 0.250.430.24 1.00
Return / volatility, 1Y 1.541.881.79 0.80
Max drawdown, 5Y -29.4%-26.7%-64.4% -25.4%
From 52-week high -0.8%-0.1%-1.9% -3.5%
52-week high $171.68$466.01$253.84 $779.14
52-week low $118.15$296.30$149.33 $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.

MultipleGILDAMGNBIIB
P/E now vs peer median -65.3xmedian 17.4x 28.7xmedian 17.4x 105.9xmedian 17.4x
P/S now vs peer median 6.9xmedian 8.9x 6.6xmedian 8.9x 3.6xmedian 8.9x
EV/EBITDA now vs peer median 891.4xmedian 17.0x 18.3xmedian 17.0x 32.3xmedian 17.0x
P/FCF now vs peer median 16.3xmedian 21.4x 24.7xmedian 21.4x 17.8xmedian 21.4x
P/B now vs peer median 17.9xmedian 2.1x 21.5xmedian 2.1x 1.9xmedian 2.1x
PEG now vs peer median 1.74median 0.35 10.84median 0.35 -2.75median 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 monthsGILDAMGNBIIB
Revenue $30.46B $38.10B $10.30B
Gross profit $24.24B $26.48B $7.62B
Operating income -$2.50B $11.43B $445.10M
Net income -$3.24B $8.74B $347.50M
Free cash flow $12.94B $10.18B $2.07B
R&D $6.07B $7.63B $2.15B
EPS (diluted) $-2.61 $16.07 $2.35
Cash & equivalents $3.18B $13.99B $1.30B
Total debt $26.25B $57.30B $7.29B
Shares (diluted) 1.24B 544.00M 147.80M
Enterprise value $185.49B $207.02B $26.12B

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
MetricGILDAMGNBIIB
P/E -65.3x 28.7x 105.9x
P/FCF 16.3x 24.7x 17.8x
P/Operating cash flow 15.6x 20.2x 16.4x
P/S 6.9x 6.6x 3.6x
P/B 17.9x 21.5x 1.9x
P/Tangible book -96.0x -28.6x 6.6x
EV/EBITDA 891.4x 18.3x 32.3x
EV/EBIT -93.9x 25.8x 96.2x
EV/Revenue 7.7x 7.7x 4.2x
EV/FCF 18.1x 29.0x 20.7x
EV/Operating cash flow 17.3x 23.6x 19.0x
PEG (3Y EPS CAGR) 1.74 10.84 -2.75

Growth

14 metrics
MetricGILDAMGNBIIB
Revenue growth (1Y) 5.5% 9.1% 2.3%
Revenue CAGR (3Y) 3.6% 12.7% 1.0%
Gross profit growth (1Y) 6.9% 17.6% 0.6%
Gross profit CAGR (3Y) 3.7% 10.3% 0.5%
Operating income growth (1Y) -131.0% 39.5% -76.6%
Operating income CAGR (3Y) -31.9% 6.4% -34.8%
Net income growth (1Y) -151.3% 32.1% -78.4%
Net income CAGR (3Y) -37.3% 3.1% -38.1%
EPS growth (1Y) -151.8% 31.4% -78.5%
EPS CAGR (3Y) -37.5% 2.7% -38.5%
Operating cash flow growth (1Y) 37.3% 3.9% -8.4%
Operating cash flow CAGR (3Y) 12.5% 4.9% 18.2%
Free cash flow growth (1Y) 38.1% -4.1% -10.1%
Free cash flow CAGR (3Y) 13.2% 1.7% 24.9%

Profitability

14 metrics
MetricGILDAMGNBIIB
Gross margin 79.6% 69.5% 74.0%
EBITDA margin 0.9% 42.2% 12.9%
Operating margin -8.2% 30.0% 4.3%
Pretax margin -6.4% 27.0% 4.3%
Net margin -10.6% 23.0% 3.4%
FCF margin 42.5% 26.7% 20.1%
Operating cash flow margin 44.5% 32.8% 21.8%
Return on equity -18.4% 83.8% 1.8%
Return on assets -6.1% 9.3% 1.1%
Return on invested capital -6.0% 14.3% 1.3%
Return on capital employed -6.0% 16.7% 1.6%
Asset turnover 0.6x 0.4x 0.3x
Cash conversion (OCF / net income) -4.2x 1.4x 6.5x
Stock comp / revenue 3.0% 1.3% 2.9%

Financial Health

11 metrics
MetricGILDAMGNBIIB
Debt / assets 53.2% 59.9% 22.7%
Debt / equity 2.2x 4.9x 0.4x
Net debt / EBITDA 87.7x 2.7x 4.5x
Debt / FCF 2.0x 5.6x 3.5x
Liabilities / assets 76.0% 87.8% 41.0%
Equity / assets 24.0% 12.2% 59.0%
Interest coverage -2.5x 4.3x –
Current ratio 1.3x 1.4x 1.9x
Quick ratio 0.7x 0.9x 0.9x
Cash ratio 0.3x 0.5x 0.3x
Altman Z-score 3.96 2.38 3.10

Shareholder Returns

7 metrics
MetricGILDAMGNBIIB
Dividend yield 1.9% 2.1% –
Net buyback yield 0.5% – –
Shareholder yield 2.4% 2.1% –
Payout ratio (earnings) – 60.4% –
Payout ratio (FCF) – 51.9% –
Dividend growth (1Y) – 6.3% –
Dividend CAGR (3Y) – 6.7% –

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.

ConsensusGILDAMGNBIIB
Forward P/E – 21.3xFY2026 19.4xFY2026
EPS, next fiscal year $-0.39FY2026 $21.81FY2026 $12.81FY2026
EPS growth, next FY -104.8%FY2026 -0.1%FY2026 -16.2%FY2026
EPS growth, the year after – +7.2% +36.5%
Revenue, next fiscal year $28.65BFY2026 $41.51BFY2026 $9.96BFY2026
Revenue growth, next FY -2.7%FY2026 +12.9%FY2026 +0.7%FY2026
Revenue growth, the year after +18.1% +2.3% +11.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersGILDAMGNBIIB
Held by institutions 89.6% 82.7% 96.4%
Institutions holding 2,292 3,162 1,038
Change in shares held, QoQ +5.1% +4.5% +6.0%
Institutions buying 1,113 1,452 550
Institutions selling 852 1,219 294
Buyers to sellers 1.31 1.19 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.

GILDAMGNBIIB
GILD 1.00 0.52 0.41
AMGN 0.52 1.00 0.49
BIIB 0.41 0.49 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, GILD, AMGN and BIIB?

Amgen (AMGN) is the largest by market capitalisation: Gilead Sciences (GILD) $211.38B, Amgen (AMGN) $251.62B, Biogen (BIIB) $36.81B.

Which stock is cheaper, GILD, AMGN and BIIB?

Amgen (AMGN) trades on the lowest price-to-earnings ratio (Gilead Sciences (GILD) -65.3x, Amgen (AMGN) 28.7x, Biogen (BIIB) 105.9x). On next year's consensus earnings, Biogen (BIIB) is cheapest (Amgen (AMGN) 21.3x, Biogen (BIIB) 19.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amgen (AMGN) grew revenue fastest over the trailing twelve months: Gilead Sciences (GILD) +5.5%, Amgen (AMGN) +9.1%, Biogen (BIIB) +2.3%.

Which company is more profitable?

Amgen (AMGN) has the highest net margin (Gilead Sciences (GILD) -10.6%, Amgen (AMGN) 23.0%, Biogen (BIIB) 3.4%). On return on invested capital, Amgen (AMGN) leads (Gilead Sciences (GILD) -6.0%, Amgen (AMGN) 14.3%, Biogen (BIIB) 1.3%).

Which stock has performed better?

Over the past year Biogen (BIIB) returned the most: Gilead Sciences (GILD) +42.2%, Amgen (AMGN) +56.0%, Biogen (BIIB) +61.4%. Over five years, Gilead Sciences (GILD) compounded fastest (Gilead Sciences (GILD) +20.4%/yr, Amgen (AMGN) +16.4%/yr, Biogen (BIIB) -2.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Amgen (AMGN) has the highest dividend yield: Gilead Sciences (GILD) 1.91%, Amgen (AMGN) 2.14%. Biogen (BIIB) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Gilead Sciences (GILD) has been the steadiest (Gilead Sciences (GILD) 27.3%, Amgen (AMGN) 29.7%, Biogen (BIIB) 34.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, GILD, AMGN 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, Amgen (AMGN) leads on 8. 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.