ONE LEVEL DEEPER
AMGNAmgen Inc.
HealthcareDrug Manufacturers - General
Analysis generated March 2026 · Data through Dec 2025

Operating margins doubled to 39.8% while the market prices only 1.43% growth — a pharmaceutical fortress hiding in plain sight.

Buffett framework
Bullish

At 33x earnings with negative treasury spread, safety lies in 15.8x operating leverage, not price.

Graham framework
Leaning Bullish
1
THE BUSINESS MODEL

What does this company do and how does it make money?

Revenue: $36.8B TTM across four therapeutic areas with 15+ products
No single product exceeds 21% of sales — revenue HHI of 948 indicates true diversification
Geographic split: 71.9% United States, 28.1% international in 2025
Therapeutic focus: general medicine, rare diseases, inflammation, and oncology
Revenue correlates 0.88 with inflation and -0.72 with consumer sentiment

Amgen operates a diversified pharmaceutical portfolio where no single drug creates concentration risk. The strong correlation with inflation suggests pricing power, while the inverse relationship with consumer sentiment reflects healthcare's defensive nature — people need medicine regardless of economic conditions.

Revenue by Segment
2
WHAT THE LEGENDS SEE

Five legendary investment frameworks analyzed this company.

Buffett sees a pharmaceutical fortress with 39.8% margins trading at a 68.6% discount to value, while Graham warns that 33x earnings can't be justified by any margin — even one that doubled in two years. Explore each framework's full analysis to understand their reasoning.

Warren Buffett framework
The Owner-Operator
Bullish
Howard Marks framework
The Cycle Whisperer
Bullish
Michael Mauboussin framework
The Expectations Engineer
Bullish
Peter Lynch framework
The Everyday Edge
Leaning Bullish
Benjamin Graham framework
The Value Architect
Leaning Bullish
3
FOLLOW THE MONEY

How much cash does it generate and where does it go?

Free cash flow: $8.1B TTM, up 10% year-over-year
R&D spending: $7.2B annually, increased 22% in 2025 — 134% of Q4'25 operating cash flow
Dividend payments: 80% of Q4'25 operating cash flow
Debt reduction: Retired $6B in debt during 2025
Stock buybacks: Minimal at $200M in Q4'24
SBC impact: 0% of Q4'25 revenue

Amgen generates substantial cash but reinvests aggressively — R&D spending now exceeds operating cash flow as the company funds late-stage pipeline development including MariTide obesity drug. The combination of debt reduction and minimal buybacks signals confidence in organic growth over financial engineering.

Capital Allocation
4
CHECK THE TREND

Is the business getting stronger or weaker?

Operating margin: Doubled from 15.5% in Q4'23 to 39.8% in Q4'25
Revenue growth: 10% TTM with operating leverage coefficient of 15.8x
Operating income: $3.94B in Q4'25, hitting 98th percentile over 10 years
ROIC: 4.98% in Q4'25, highest since Q1'22 and at 98th percentile
Revenue reached 98th percentile over 10 years in Q4'25

The business is demonstrating exceptional operating leverage — every 1% of revenue growth drives 15.8% operating income growth. The margin expansion from mid-teens to nearly 40% in two years, combined with ROIC approaching decade highs, indicates fundamental business improvement beyond typical cyclical fluctuations.

Operating Margin
5
KNOW THE RISKS

What could go wrong and has it survived trouble before?

Earnings asymmetry: Double beats generate -0.11% returns while double misses cause -7.91% drops
Operating leverage: 15.8x coefficient cuts both ways — revenue declines would severely impact margins
Stress test history: FCF declined 68.8% during 2023 banking crisis but recovered in 1 quarter
Insider activity: Net buying of 246,050 shares ($85M estimate) over last 4 quarters
Analyst disagreement: Price targets range from $185 to $432, a 133% spread

The market has positioned itself for perfection — any disappointment triggers severe punishment while positive surprises generate minimal reward. However, management's net insider buying during the margin expansion suggests confidence in sustainability, and the company has demonstrated resilience by recovering from past shocks within 1-2 quarters.

Insider Net Buying/Selling
INSTITUTIONAL FLOW
Capital World Investors added $1.7B
ACCUMULATING8/10 long-term · avg 58 qtrs
404new2,751existing3,155holders+252 net3,003staying152exited
Latest 13F filings · 2025-12-31 · 81.1% institutional ownership
INTERACTIVE
How would Amgen Inc.'s worst drawdowns feel?
INVESTED
$10,000
BOTTOM
$7,670
$2,330 lost. Recovery: 382 days.

Operating margins doubled from 15.5% to 39.8% in two years while the market implies only 1.43% perpetual growth.

6
CHECK THE PRICE

Is the stock priced for perfection, fair value, or pessimism?

Earnings yield: 0.76% versus 4.33% treasury yield — negative 3.57% spread
Market expectation: Reverse DCF implies only 1.43% perpetual growth
Valuation gap: Price trades 68.6% below DCF valuation
P/E ratio: 33.09, at 88th percentile over 10 years
FCF yield: 5th percentile over 10 years despite $8.1B in cash generation

The market appears deeply skeptical — pricing in minimal growth despite 10% FCF expansion and record margins. The 68.6% discount to DCF valuation suggests either the market sees risks not captured in current financials or represents a significant expectations gap for a business hitting operational peaks.

Expectations Gap: DCF vs Market
DCF FAIR VALUE
$1106
69% discount
MARKET PRICE
$348
Price implies 1.4% growth · Trailing: 10.0%
INTERACTIVE
Earnings Surprise Roulette
What type of surprise moves the stock most? Tap to find out.

Analysis applies published investment frameworks to publicly available financial data. Educational purposes only. Not financial advice.

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