Alnylam Pharmaceuticals
ALNY
$286.27
-0.25%
Alnylam Pharmaceuticals is a biotechnology company and a pioneer in the development of RNA interference (RNAi) therapeutics, a platform for silencing disease-causing genes. The company is a clear market leader in this novel therapeutic modality, with multiple commercial products like Onpattro, Amvuttra, Givlaari, and Oxlumo, and partnered assets with major pharmaceutical firms. The current investor narrative revolves around the company's transition to sustainable profitability, driven by robust revenue growth from its commercial portfolio, and the market's assessment of its valuation as it moves beyond its high-investment R&D phase into a more mature commercial entity.…
ALNY
Alnylam Pharmaceuticals
$286.27
ALNY 12-Month Price Forecast
Wall Street consensus
Most Wall Street analysts maintain a constructive view on Alnylam Pharmaceuticals's 12-month outlook, with a consensus price target around $372.15 and implied upside of +30.0% versus the current price.
Average Target
$372.15
9 analysts
Implied Upside
+30.0%
vs. current price
Analyst Count
9
covering this stock
Price Range
$229 - $372
Analyst target range
The stock is covered by 9 analysts, with recent institutional ratings showing a strong bullish bias, including multiple 'Buy' reiterations from firms like HC Wainwright and Chardan Capital in March 2026, though a notable downgrade from Jefferies to 'Hold' on March 16 signals some growing caution. Analyst estimates provide a forward-looking snapshot, with consensus revenue expectations of $11.74 billion and EPS of $19.43, framing the investment thesis around the company's ability to meet these aggressive growth and profitability targets. The wide range in EPS estimates, from a low of $17.68 to a high of $23.67, indicates meaningful uncertainty and debate among analysts regarding the pace of margin expansion and revenue growth, which is typical for a commercial-stage biotech with a evolving commercial footprint.
Bulls vs Bears: ALNY Investment Factors
The bull case is fundamentally driven by Alnylam's successful transition to profitability, explosive revenue growth, and a reasonable forward P/E of 20.7x based on anticipated earnings. The bear case is technically and valuation-driven, highlighting a severe 36% six-month decline, extreme trailing multiples, and volatile quarterly results. Currently, the bearish evidence appears stronger in the near term, given the stock's persistent downtrend and proximity to its 52-week low. The single most important tension is whether the company can deliver the massive earnings growth (from $0.006 to $19.43 EPS) implied by its forward valuation before deteriorating technicals and sentiment cause further multiple compression.
Bullish
- Explosive Revenue Growth and Profitability: Q4 2025 revenue surged 84.95% year-over-year to $1.097 billion, demonstrating the commercial success of its RNAi platform. The company has transitioned to profitability, generating $186.4 million in net income and $465.4 million in trailing twelve-month free cash flow, signaling a sustainable business model.
- Attractive Forward Valuation on Earnings Growth: The forward P/E of 20.7x is compelling for a high-growth biotech, based on consensus EPS estimates of $19.43. This represents a dramatic compression from the trailing P/E of 166.0x, pricing in a massive earnings ramp as the company scales.
- Strong Analyst Conviction and Upside Potential: Analyst sentiment remains bullish with 9 covering firms, including recent 'Buy' reiterations. The consensus EPS estimate of $19.43 implies significant profit growth, with a high-end target of $23.67 suggesting substantial upside if execution exceeds expectations.
- Robust Gross Margins and Financial Health: Gross margins remain high at 81.8%, typical for a proprietary therapeutics company. The balance sheet is supported by a strong current ratio of 2.76 and positive operating cash flow of $163.6 million in Q4, providing financial flexibility.
Bearish
- Severe Technical Downtrend and Weak Price Action: The stock is down 36.1% over six months and trades just 2.3% above its 52-week low of $280.6, indicating persistent selling pressure and bearish sentiment. A break below the $280.6 support could trigger another leg down, given the stock's 42.0% maximum drawdown.
- Extremely High Trailing Valuation Multiples: A trailing P/E of 166.0x and Price/Sales of 14.0x are exceptionally high, even for biotech, indicating the stock is priced for perfection. This leaves it vulnerable to multiple compression if growth falters or market sentiment sours on growth stocks.
- Volatile Quarterly Revenue and Margin Compression: Q4 2025 revenue of $1.097 billion declined sequentially from Q3's $1.249 billion, showing lumpiness. Gross margin also compressed to 75.6% in Q4 from 84.2% in Q3, raising questions about the stability of the profitability trajectory.
- Significant Leverage and Execution Risk: A debt-to-equity ratio of 1.62 indicates a leveraged capital structure, which could pressure finances if growth slows. The company must execute flawlessly to meet the aggressive consensus EPS target of $19.43, a monumental jump from the current $0.006.
ALNY Technical Analysis
The stock is in a pronounced downtrend, having declined 36.1% over the past six months and 28.3% year-to-date as of the data date. Currently trading at $286.98, it sits just 2.3% above its 52-week low of $280.6, positioning it near the absolute bottom of its yearly range, which signals extreme bearish sentiment and potential oversold conditions but also high risk as it tests critical support. Recent momentum remains negative, with the stock down 13.9% over the past month and 8.7% over three months, indicating the selling pressure has been persistent and accelerating relative to the longer-term downtrend. The stock's beta of 0.302 suggests it has been significantly less volatile than the broader market (SPY), which is unusual for a biotech but may reflect its transition to a commercial-stage company; however, its severe underperformance, with a 1-year relative strength of -23.9% versus the SPY, highlights its unique negative catalysts. Key technical levels are clearly defined, with immediate support at the 52-week low of $280.6 and resistance far above at the 52-week high of $495.55; a decisive break below $280.6 could trigger another leg down, while any recovery would need to overcome significant overhead supply, with the stock's low beta suggesting moves may be less dramatic but the deep drawdown of -42.0% underscores the magnitude of the decline.
Beta
0.30
0.30x market volatility
Max Drawdown
-42.0%
Largest decline past year
52-Week Range
$284-$496
Price range past year
Annual Return
+0.3%
Cumulative gain past year
| Period | ALNY Return | S&P 500 |
|---|---|---|
| 1m | -7.6% | +4.0% |
| 3m | -13.9% | +8.2% |
| 6m | -37.9% | +11.5% |
| 1y | +0.3% | +24.3% |
| ytd | -28.5% | +8.3% |
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ALNY Fundamental Analysis
Revenue growth has been exceptionally strong but volatile on a quarterly basis, with Q4 2025 revenue of $1.097 billion representing an 84.95% year-over-year surge; however, this follows a significant sequential decline from Q3's $1.249 billion, indicating potential lumpiness in product sales or partnership revenues. The company achieved profitability in the most recent quarters, with Q4 2025 net income of $186.4 million and a trailing twelve-month free cash flow of $465.4 million, demonstrating a crucial transition to generating positive cash flow from its commercial operations. Gross margins remain robust at 81.8%, reflecting the high-margin nature of its proprietary therapeutics, though the Q4 gross margin of 75.6% showed some compression from the 84.2% in Q3, which may warrant monitoring for trends. The balance sheet shows a debt-to-equity ratio of 1.62, indicating a leveraged but manageable capital structure for a growing biotech, supported by a strong current ratio of 2.76 and substantial cash from operations, which totaled $163.6 million in Q4 alone. Return on equity is high at 39.8%, but this is inflated by a relatively small equity base due to historical losses; the more telling metric is the return on assets of 10.1%, signaling efficient use of assets to generate earnings as the company scales.
Quarterly Revenue
$1.1B
2025-12
Revenue YoY Growth
+0.84%
YoY Comparison
Gross Margin
+0.75%
Latest Quarter
Free Cash Flow
$465383000.0B
Last 12 Months
Revenue & Net Income Trends (2 Years)
Revenue Breakdown
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Valuation Analysis: Is ALNY Overvalued?
Given the company's positive net income, the primary valuation metric is the P/E ratio. The trailing P/E is an extremely high 166.0x, reflecting the market's pricing of its recent emergence into profitability, while the forward P/E is a much lower 20.7x, indicating analysts expect a dramatic surge in earnings, with consensus EPS estimates jumping from $0.006 to $19.43. Compared to industry averages, the stock's Price/Sales ratio of 14.0x and EV/Sales of 9.1x are elevated for the biotech sector, typically indicating a premium valuation justified by its proprietary platform and growth profile, though the forward P/E suggests this premium may compress as earnings materialize. Historically, the current trailing P/E of 166.0x is below its own peak from recent quarters (e.g., 256.3x in Q3 2025) but remains high, suggesting the stock is still pricing in significant future growth expectations despite the recent price collapse; the PEG ratio of -0.79 is nonsensical due to negative earnings growth calculations and should be disregarded in favor of forward multiples.
PE
166.0x
Latest Quarter
vs. Historical
High-End
5-Year PE Range -456x~71x
vs. Industry Avg
N/A
Industry PE ~N/A*
EV/EBITDA
92.8x
Enterprise Value Multiple
Investment Risk Disclosure
Financial & Operational Risks: Alnylam's primary financial risk is its high valuation dependency on flawless execution. The stock trades at a trailing P/E of 166x and a Price/Sales of 14x, multiples that demand sustained hyper-growth. Quarterly revenue volatility is a concern, with Q4 2025 sales dropping sequentially from $1.249B to $1.097B, while gross margin compressed from 84.2% to 75.6%. Furthermore, a debt-to-equity ratio of 1.62 introduces financial leverage risk, meaning any slowdown in the commercial ramp of its RNAi therapeutics could strain the balance sheet despite a strong current ratio of 2.76.
Market & Competitive Risks: The stock faces severe valuation compression risk, as its elevated multiples are vulnerable to a shift in market sentiment away from growth stocks. Its low beta of 0.302 suggests it has not moved with the market, but its 1-year relative strength of -23.9% versus the SPY indicates unique negative catalysts. Competitive risks are inherent in biotech, where next-generation therapies or platform technologies could challenge Alnylam's RNAi leadership. The recent downgrade by Jefferies to 'Hold' signals growing analyst caution, which could foreshadow a broader derating if quarterly execution wobbles.
Worst-Case Scenario: The worst-case scenario involves a failure to meet the aggressive forward EPS estimates of $19.43, coupled with a breakdown of key technical support. If the stock decisively breaks below its 52-week low of $280.6, it could trigger a wave of stop-loss selling and analyst downgrades. Given the stock's 42.0% maximum drawdown and the wide gap between current price and the 52-week high of $495.55, a realistic adverse scenario could see the stock re-testing levels 20-25% below current price, representing a loss of approximately -$60 to -$70 per share from the current $286.98, aligning with a move toward the $220-$230 range if sentiment completely sours.

