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BIIB vs. GILD: Biogen vs. Gilead Sciences Stock Comparison

How do Biogen (BIIB) and Gilead Sciences (GILD) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Biogen (BIIB) and Gilead Sciences (GILD) are both classified in the Biotechnology sub-industry within the broader Biotechnology industry, placing them in the closest GICS peer bucket.

Company profile comparison for Biogen (BIIB) and Gilead Sciences (GILD)
Profile ItemBIIBGILD
NameBiogen Inc.Gilead Sciences Inc.
Country/RegionUnited StatesUnited States
GICS SectorHealth CareHealth Care
GICS Industry GroupPharmaceuticals, Biotechnology & Life SciencesPharmaceuticals, Biotechnology & Life Sciences
GICS IndustryBiotechnologyBiotechnology
GICS Sub-IndustryBiotechnologyBiotechnology
Market Capitalization36.71 billion USD207.00 billion USD
CurrencyUSDUSD
ExchangeNasdaqNasdaq
Listing DateSeptember 17, 1991January 22, 1992
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

BIIB
GILD
GSPC
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Biogen (BIIB) vs. Gilead Sciences (GILD), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Biogen (BIIB) and Gilead Sciences (GILD). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Biogen (BIIB) and Gilead Sciences (GILD). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Total Return (1Y)65.44%45.69%
Total Return (3Y, Annualized)4.62%35.30%
Total Return (5Y, Annualized)-0.96%25.00%

Risk Profile

Drawdown History

BIIB
GILD
GSPC
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Biogen (BIIB) vs. Gilead Sciences (GILD), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Biogen (BIIB) and Gilead Sciences (GILD). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Volatility (1Y, Annualized)34.58%27.57%
Beta (5Y)0.080.36
Max Drawdown (5Y)-64.35%-26.59%
Avg. Volume (3M)1.05M5.98M

Risk-Adjusted Performance

Risk-Return Positioning

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BIIB and GILD are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Sharpe Ratio (1Y)1.771.50
Sortino Ratio (1Y)2.772.48

Profitability

ROE (TTM)

Gilead Sciences (GILD) reports a negative ROE of -22.45%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile Biogen (BIIB) reports 1.87%, ranking against industry peers normally.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.87%

Max
109.18%
Q3
6.23%
BIIB
1.87%
Median
-26.66%
Q1
-64.05%
Min
-167.77%

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

-22.45%

Max
109.18%
Q3
6.23%
GILD
-22.45%
Median
-26.66%
Q1
-64.05%
Min
-167.77%
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their ROE against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Net Margin (TTM)

Gilead Sciences (GILD) reports a negative net margin of -12.46%, usually indicating a net loss over the period. Meanwhile Biogen (BIIB) reports 3.38%, ranking against industry peers normally.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

3.38%

Max
18.05%
Q3
4.78%
BIIB
3.38%
Median
0.00%
Q1
-4.14%
Min
-17.05%

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

-12.46%

Max
18.05%
Q3
4.78%
Median
0.00%
Q1
-4.14%
GILD
-12.46%
Min
-17.05%
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their net margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Operating Margin (TTM)

Both Biogen (BIIB) at 24.12% and Gilead Sciences (GILD) at 42.43% convert sales into operating profit at a top-quartile rate, pointing to tighter cost discipline before financing and tax.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

24.12%

Max
83.12%
BIIB
24.12%
Q3
14.77%
Median
0.00%
Q1
-78.82%
Min
-207.40%

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

42.43%

Max
83.12%
GILD
42.43%
Q3
14.77%
Median
0.00%
Q1
-78.82%
Min
-207.40%
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their operating margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Profitability Metrics

Profitability metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
ROE (TTM)1.87%-22.45%
ROA (TTM)4.94%13.47%
Net Margin (TTM)3.38%-12.46%
Operating Margin (TTM)24.12%42.43%
Gross Margin (TTM)75.77%79.95%

Growth

Revenue Growth

Both Biogen (BIIB) at 2.22% and Gilead Sciences (GILD) at 2.39% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their Revenue Growth across different time periods.

EPS Growth

Gilead Sciences (GILD) at 1,684.21% clears its industry range for EPS growth, a much stronger earnings trajectory than Biogen (BIIB) at -21.38%, which is closer to a typical peer reading.

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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Revenue Growth (YoY)2.22%2.39%
Revenue Growth (3Y CAGR)-0.94%2.57%
EPS Growth (YoY)-21.38%1,684.21%
EPS Growth (3Y CAGR)-25.04%23.04%

Financial Strength

Current Ratio (MRQ)

Both Biogen (BIIB) at 1.95 and Gilead Sciences (GILD) at 1.38 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.95

Max
25.13
Q3
12.13
Median
5.52
Q1
2.47
BIIB
1.95
Min
0.10

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.38

Max
25.13
Q3
12.13
Median
5.52
Q1
2.47
GILD
1.38
Min
0.10
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their current ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Debt / Equity (MRQ)

Biogen (BIIB) at 0.41 is near its industry mid-range for debt-to-equity ratio, while Gilead Sciences (GILD) at 2.02 sits above its benchmark range, pointing to a heavier debt load relative to equity.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.41

Max
1.42
Q3
0.65
BIIB
0.41
Median
0.15
Q1
0.02
Min
0.00

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

2.02

GILD
2.02
Max
1.42
Q3
0.65
Median
0.15
Q1
0.02
Min
0.00
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their debt-to-equity ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Current Ratio (MRQ)1.951.38
Debt / Equity (MRQ)0.412.02
Net Debt / EBITDA1.971.25

Dividends

Dividend Yield (TTM)

Biogen (BIIB) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Gilead Sciences (GILD) reports a yield of 1.94%, ranking against industry peers normally.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

BIIB
0.00%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.94%

GILD
1.94%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their dividend yield against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Payout Ratio (TTM)

Biogen (BIIB) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Gilead Sciences (GILD) reports a payout of 43.46%, ranking against industry peers normally.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

BIIB
0.00%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

43.46%

GILD
43.46%
Max
0.00%
Q3
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their payout ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Metrics

Dividend metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
Dividend Yield (TTM)0.00%1.94%
Dividend Payout Ratio (TTM)0.00%43.46%

Valuation

P/E Ratio (TTM)

An earnings multiple is available for just one side: Biogen (BIIB) trades at 107.51 times trailing earnings, ranked against its peers, while Gilead Sciences (GILD) has no P/E ratio this period.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

107.51

BIIB
107.51
Max
85.34
Q3
43.46
Median
26.69
Q1
13.30
Min
0.07

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

--

Max
85.34
Q3
43.46
Median
26.69
Q1
13.30
Min
0.07
GILD
--
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Biogen (BIIB) vs. Gilead Sciences (GILD): GILD does not report P/E ratio, so it has no value marker; BIIB is benchmarked against the Pharmaceuticals, Biotechnology & Life Sciences industry group.

P/S Ratio (TTM)

On P/S ratio, both Biogen (BIIB) at 3.57 and Gilead Sciences (GILD) at 6.68 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

3.57

Max
58.18
Q3
25.77
Median
7.30
BIIB
3.57
Q1
3.01
Min
0.01

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

6.68

Max
58.18
Q3
25.77
Median
7.30
GILD
6.68
Q1
3.01
Min
0.01
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their P/S ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

P/B Ratio (MRQ)

Biogen (BIIB) at 1.94 sits near its industry’s typical P/B ratio, while Gilead Sciences (GILD) at 15.88 prices above its benchmark range — GILD looks rich relative to book.

BIIB

Pharmaceuticals, Biotechnology & Life Sciences industry group

1.94

Max
13.53
Q3
6.54
Median
3.25
BIIB
1.94
Q1
1.69
Min
-5.59

GILD

Pharmaceuticals, Biotechnology & Life Sciences industry group

15.88

GILD
15.88
Max
13.53
Q3
6.54
Median
3.25
Q1
1.69
Min
-5.59
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Biogen (BIIB) vs. Gilead Sciences (GILD): A comparison of their P/B ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Valuation Metrics

Valuation metrics for Biogen (BIIB) and Gilead Sciences (GILD)
MetricBIIBGILD
P/E Ratio (TTM)107.51--
P/S Ratio (TTM)3.576.68
P/B Ratio (MRQ)1.9415.88
Free Cash Flow Yield (TTM)2.20%5.16%