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ALNYAlnylam Pharmaceuticals, Inc.Sell6.7·$224.03
ALNY · Why this verdict

Why Alnylam Pharmaceuticals (ALNY) is rated SELL

Updated

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Editorial policy

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Methodology · Editorial policy & full disclaimer

VerdictSELL
Overall score6.7/10
ConfidenceMEDIUM
MacroRISK_OFF
TrendMatrix Research · core thesis

Engine thesis — one sentence

Alnylam combines an unusually strong quality profile — wide economic moat, Rule of 40 score of 101, 96% year-over-year revenue growth, and a Piotroski financial health score of 8 out of 9 — with a forward earnings multiple that remains undemanding for growth of this caliber at a PEG of 0.49; the principal near-term obstacle is a confirmed technical downtrend that, until resolved, limits the initial position size for all but the most patient investors.

Falsifiable statement — pillar-level invalidators below. Engine-derived; not personalized advice.

Thesis pillars

Revenue grew 96% year-over-year, the combined growth-and-profitability Rule of 40 score is 101, the business carries a wide economic moat, and the financial health screen scores 8 of 9 — yet the forward earnings multiple sits at a PEG of 0.49, an unusually low price to pay for a franchise with these characteristics.

→Stable
Quality breakdown
Expectation
Revenue growth sustains above 50% year-over-year and the Rule of 40 remains above 80 over the next 12 months, validating the quality-growth combination at current prices.

CounterBiotechs with triple-digit revenue growth rates almost always face deceleration as the base effect compounds; the current valuation implicitly assumes prolonged exceptional growth, and any meaningful slowdown would compress the multiple sharply.

The stock is trading below its 200-day moving average with the trend slope declining at 4.1% over 30 days, on-balance volume is falling, and a death cross has triggered — conditions that have historically been poor entry points even for high-quality businesses until the technical backdrop stabilizes.

→Stable
Momentum breakdown
Expectation
Price reclaims the 200-day moving average and on-balance volume turns positive, signaling that the supply overhang has cleared.

CounterTechnical price action in high-quality businesses with strong fundamental momentum can diverge from fundamentals for extended periods before mean-reverting sharply; a patient investor who waits for technical confirmation may miss the bulk of the initial recovery move.

The company carries a debt-to-equity ratio of 2.8, which at current growth rates is manageable but leaves less financial cushion if revenue momentum softens — elevated leverage can accelerate downside scenarios in a way that unlevered peers would not experience.

↓Deteriorating
Bear case
Expectation
Debt-to-equity ratio declines below 2.0 over the next four quarters as cash generation from commercial products pays down obligations.

CounterA high-growth business with a wide economic moat and strong free-cash-flow trajectory can comfortably service elevated debt; leverage used to fund product expansion may be value-accretive if the underlying assets continue to generate returns above the cost of capital.

Three of the last four quarters produced positive earnings surprises, with the three beats averaging a 74% upside to estimates; the single miss occurred in the second-most-recent quarter, and the most recent quarter returned to a 35% beat, suggesting the underlying earnings trajectory remains constructive.

↓Deteriorating
Earnings
Expectation
The earnings beat streak extends to four consecutive quarters without interruption over the next 12 months.

CounterThe average surprise figure is significantly inflated by a 120% beat in the oldest quarter of the window, which may reflect a one-time estimate reset rather than durable guidance discipline; if consensus estimates are now better calibrated, future surprises could narrow materially.

Per-dimension breakdown

Value

6.4/10data confidence 100%
ComponentSub-score
P/E3.3
P/S6.0
EV/EBITDA0.0
Fwd P/E7.0
PEG10.0
Analyst target9.0
  • ▸Forward P/E: 18.1x
  • ▸PEG: 0.32

Quality

8.2/10data confidence 100%
ComponentSub-score
ROE10.0
ROA8.2
Gross margin10.0
Op margin7.2
Net margin8.1
Current ratio9.9
FCF quality2.8
Moat7.5
Rule of 409.5
Piotroski F8.9
  • ▸Excellent ROE: 97%
  • ▸Strong margins: 16%
  • ▸Earnings quality RED FLAG: 35% FCF/NI
  • ▸Wide economic moat

Growth

10.0/10data confidence 33%
ComponentSub-score
Rev growth10.0
  • ▸Strong growth: 67% YoY

Momentum

3.5/10data confidence 100%
ComponentSub-score
RSI4.5
MACD8.8
OBV1.0
MA position1.0
Volume2.1
  • ▸Volume distribution (falling OBV)
  • ▸Below 200-MA, MA slope -8.6%/30d — confirmed downtrend

Sentiment

8.5/10data confidence 100%
ComponentSub-score
LLM sentiment8.5
Analyst rating7.5
Price target9.8
  • ▸LLM news sentiment: +0.70 (n=2)
  • ▸Analyst upside: 64%

Insider

5.3/10data confidence 50%
ComponentSub-score
materiality5.0
holder change5.7
  • ▸Negligible insider selling — $398,855 (0.001% of mkt cap)

Peer rank

5.2/10data confidence 80%
ComponentSub-score
value rank4.6
quality rank8.1
growth rank7.7
  • ▸Superior ROE vs peers

Technical

4.9/10data confidence 100%
ComponentSub-score
bollinger6.6
support resistance8.0
52w position0.0

Risk (lower is worse)

5.1/10data confidence 100%
ComponentSub-score
short interest6.2
days to cover5.4
volatility3.7
put call7.2
implied vol1.6
max pain risk3.0
beta10.0
debt equity2.8
news risk6.0
  • ▸High IV: 70%
  • ▸Above max pain $150

Catalyst

5.9/10data confidence 100%
ComponentSub-score
erm5.0
earnings history3.3
earnings timing5.0
surprise avg10.0
news activity6.0
  • ▸Earnings concerns: 2B/2M
  • ▸Earnings in 5 days

How the verdict was assembled

Engine trigger

Growth is cheap relative to earnings, but the technical setup has not yet produced a breakout above resistance (PEG 0.32, quality 8.2/10, growth 10.0/10). | News modifier -2 (STRONG_BUY_WAIT → SELL_IF_HOLDING).

Engine technical detail
verdict_path: L4:PATH_C2_GARP_WAIT|L3:NEWS_MOD=-2
Passed (4)
  • ASYMMETRY:6.8>=1.5
  • INSIDER:OK
  • SEMI_CYCLE_PEAK:CLEAR
  • MATERIALS_CYCLE_PEAK:CLEAR
Failed (3)
  • MOMENTUM:3.5<4.5
  • DEATH_CROSS:HARD_BLOCK
  • EARNINGS_PROXIMITY:5d<=7d
Warning (1)
  • 8K_CSUITE_CHANGE:5.02 (officer departure/appointment)
Reward-to-Risk
6.76
Upside
+47.7%
Downside
7.1%
Sizing output
AVOID

SetupRecovery — Death cross but MACD improving, RSI 54

EdgeTemporary headwind — High quality (8.2) with weak momentum (3.5)

SuitabilitySpeculative — Drawdown -55% (>40% off 52w high), Binary industry: Biotechnology

Investment implication

The C-path quality+growth combination triggered the SELL_IF_HOLDING verdict: quality 8.2 and growth 10.0 both clear their thresholds, with asymmetric R:R of 6.76 supporting the read.

The strongest dimensions are Growth at 10.0, Sentiment at 8.5, and Quality at 8.2; the weakest are Momentum at 3.5, Technical at 4.9, and Risk (lower is worse) at 5.1. The V9 engine flagged 3 failed gates with 1 warning, producing an asymmetric reward-to-risk of 6.76 and an engine sizing output of AVOID.

What would invalidate the thesis

Falsifying conditions — when triggered, the corresponding pillar's thesis is invalidated.

  • P1Wide Moat Elite Growth Quality

    Trip ifRevenue growth decelerates below 30% year-over-year for 2 consecutive quarters.

  • P2Confirmed Downtrend Blocks Entry

    Trip ifPrice closes above the 200-day moving average and on-balance volume turns positive for 20 or more consecutive sessions.

  • P3Leverage Adds Downside Cushion Risk

    Trip ifDebt-to-equity ratio falls below 1.5 within 4 consecutive quarters.

  • P4Earnings Large Consistent Surprises

    Trip ifEPS surprise falls below 0% in 2 of the next 3 reported quarters.

Engine reasoning is mechanically derived from pipeline gate outputs. See decision view.

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