ONE LEVEL DEEPER
ALNY
Warren Buffett frameworkThe Owner-OperatorBenjamin Graham frameworkThe Value ArchitectMichael Mauboussin frameworkThe Expectations EngineerHoward Marks frameworkThe Cycle WhispererPeter Lynch frameworkThe Everyday Edge

At 0.35% earnings yield, Alnylam's pendulum has swung from -$405M losses to euphoria at 70x earnings.

cautiousBearishconviction

This framework suggests the pendulum has swung from despair to euphoria on Alnylam's profitability inflection, creating asymmetric downside at 70.52x earnings.

THE LENSES
PRICE VS VALUEoverpriced

Is the price above or below what the business is worth?

PE ratio at 70.52x - 98th percentile over 10 years
Earnings yield compressed to 0.35% despite record $186M quarterly profits
Market implies 5.16% perpetual growth vs 65.2% trailing growth
Price trades 119% below DCF model value

This framework suggests price has run far ahead of value despite the DCF discount. A 0.35% earnings yield on a volatile biotech represents peak pricing, not a margin of safety. The market's implied growth rate appears conservative, but paying 70x for 5% growth violates value principles.

Expectations Gap: DCF vs Market
DCF FAIR VALUE
$-1682
119% discount
MARKET PRICE
$319
Price implies 5.2% growth · Trailing: 65.2%
THE PENDULUMeuphoric

Where is sentiment positioned between euphoria and despair?

Revenue beats in 8 of last 10 quarters with only 2.76% average price reaction
385 new institutional positions opened in last 4 quarters
98.7% institutional ownership - near saturation levels
Analyst targets clustered between $351-549 with moderate dispersion

Applying this lens, the pendulum has swung toward euphoria. The muted reaction to continued beats suggests expectations are already elevated. Near-complete institutional ownership leaves little room for new buyers to push prices higher.

Price Targets
351
low
549
high
458
median
460.5
consensus
CYCLE TEMPERATUREpeak

Where are we in this company's fundamental cycle?

Operating margins hit 29.5% - highest in company history
Net income at $186M in Q4'25 vs -$405M loss in Q3'22
ROIC metrics not available but 75.6% gross margins sustained
Revenue growth accelerated to 85% YoY in Q4'25

This framework recognizes peak cycle conditions. Multiple metrics at historical highs simultaneously - profitability, margins, and growth rates. When everything is at extremes, reversion becomes more probable than continuation.

Operating Margin
ASYMMETRYunfavorable

Does the upside significantly exceed the downside?

70.52x PE leaves little room for multiple expansion
Operating margins swung from -72.1% to +29.5% showing extreme volatility
Two products (GIVLAARI 64%, ONPATTRO 36%) drive 100% of revenue
R&D consuming 227% of operating cash flow in Q4'25

Applying this framework's asymmetry lens reveals poor risk/reward. Downside to historical 20-30x biotech multiples represents 50-70% decline. Upside requires flawless execution on concentrated revenue base while burning cash on R&D.

P/E Ratio
KEY NUMBERS
VERDICT

This framework suggests Alnylam exemplifies a pendulum at its euphoric extreme. The profitability transformation is real - from -$405M losses to +$186M profits - but at 70x earnings with 0.35% yield, success has eliminated the margin of safety. The asymmetry that once favored buyers has inverted. When operating margins, valuations, and sentiment all reach historical peaks simultaneously, is this the moment to bet on continuation?

This analysis applies Howard Marks's published investment framework to publicly available financial data. It is not authored by, endorsed by, or affiliated with Howard Marks. Educational purposes only. Not financial advice.

OTHER PERSPECTIVES
Peter Lynch framework
The Everyday Edge
Leaning Bullish
Michael Mauboussin framework
The Expectations Engineer
Leaning Bullish
Warren Buffett framework
The Owner-Operator
Neutral
Benjamin Graham framework
The Value Architect
Leaning Bearish
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