Alnylam Pharmaceuticals
ALNYUS ListedAlnylam Pharmaceuticals (ALNY) is a leading publicly traded corporation listed in the United States, constituent of the NASDAQ-100 index.
Stock Snapshot & Key Numbers — Alnylam Pharmaceuticals
Verified Daily CloseOfficial closing price, 1-year price range, valuation multiples, and market value from exchange records.
Alnylam Pharmaceuticals (ALNY) is a US equity security listed on the NASDAQ. As of the last recorded market session on Close on 16 Oct 2026, the stock closed at $231.83, recording a -2.20 (-0.94%) decline from its previous close of $234.03. Over the trailing 52-week trading cycle, ALNY has traded between a 52-week low of $205.48 and a 52-week high of $491.22, establishing its annual trading channel. In historical performance, Alnylam Pharmaceuticals has fallen 51.81% over the past 1 year. Period returns across standard measurement intervals include: 1-week: -0.37%, 1-month: -3.15%, 6-month: -27.58%, 1-year: -51.81%, 3-year: +38.61%, 5-year: +13.7%. Daily reported trading volume reached 1,404,800 equity shares. On key valuation multiples as of Oct 13, 2026, the company trades at a trailing price-to-earnings (P/E) multiple of 38.3x and a price-to-book (P/B) ratio of 22.4x, with a trailing dividend yield of data unavailable. Its market capitalization stands at $30.38B. The company is categorized under the Health Care sector and NASDAQ-100 industry within the US equities universe.
Price Chart
Trading Multiples & Ranges
Price boundaries and liquidity distribution.
Past Price Win/Loss Odds (1-Week, 1-Month, 3-Month)
How often this stock rose, stayed flat, or fell over past 21-day holding periods (based on historical data, not a future prediction).
At-a-Glance Health & Momentum Check
While recent announcements reflect past operations, profit margins and return on capital have been tightening as the business absorbs higher costs or new expansion spending.
How Outside Factors Affect This Stock (Market, Crude Oil & Currency)
How closely this stock moved with the broader market index, crude oil, and the exchange rate over the past year.
| Factor / Benchmark | 1Y Beta (Sensitivity) | 1Y Correlation (-1 to +1) | What This Means |
|---|---|---|---|
| S&P 500 | +0.42 | +0.10 | Trailing 1Y historical sensitivity: a 1% move in S&P 500 coincided with a +0.42% co-movement (correlation: 0.10). Descriptive historical relationship, not predictive. |
| US 10Y Treasury Yield | -0.62 | -0.17 | Trailing 1Y historical sensitivity: a 1% move in US 10Y Treasury Yield coincided with a -0.62% co-movement (correlation: -0.17). Descriptive historical relationship, not predictive. |
| Brent Crude Oil | -0.09 | -0.09 | Trailing 1Y historical sensitivity: a 1% move in Brent Crude Oil coincided with a -0.09% co-movement (correlation: -0.09). Descriptive historical relationship, not predictive. |
| USD / INR | +0.36 | +0.05 | Trailing 1Y historical sensitivity: a 1% move in USD / INR coincided with a +0.36% co-movement (correlation: 0.05). Descriptive historical relationship, not predictive. |
How to read Beta & Correlation ( Beta > 1 = wider swings than market; < 1 = calmer )▾
Sensitivities measure historical 1-year regression beta and correlation across paired daily trading sessions over the past 252 trading days. Past relationships can shift over time and do not guarantee future co-movement.
Trailing Returns Breakdown
Calendar-aligned historical percentage performance across standard market windows.
| Period | Start Price | Current Price | Return (%) |
|---|---|---|---|
| 1 Week | ₹232.68 | ₹231.83 | -0.37% |
| 15 Days | ₹231.18 | ₹231.83 | +0.28% |
| 1 Month | ₹239.36 | ₹231.83 | -3.15% |
| 3 Months | ₹283.15 | ₹231.83 | -18.12% |
| 6 Months | ₹320.13 | ₹231.83 | -27.58% |
| 1 Year | ₹481.07 | ₹231.83 | -51.81% |
| 3 Years | ₹167.25 | ₹231.83 | +38.61% |
| 5 Years | ₹203.90 | ₹231.83 | +13.70% |
Price Swings & Biggest Historical Drops
How much this stock typically fluctuates and its largest peak-to-bottom drops over 1 and 5 years.
Calendar-Year Historical Performance
Annual performance breakdown comparing first and last closing sessions of each calendar year.
| Calendar Year | Start Close | End Close | Annual Return | Trajectory Bar |
|---|---|---|---|---|
| CY 2026 | ₹400.17 | ₹231.83 | -42.1% | |
| CY 2025 | ₹233.62 | ₹397.65 | +70.2% | |
| CY 2024 | ₹194.93 | ₹235.31 | +20.7% | |
| CY 2023 | ₹233.59 | ₹191.41 | -18.1% | |
| CY 2022 | ₹173.91 | ₹237.65 | +36.6% | |
| CY 2021 | ₹203.90 | ₹169.58 | -16.8% |
Corporate Actions History
No dividend or stock split distributions recorded in historical feeds for ALNY.
Historical Investment Simulator
Factual simulation of past returns in Alnylam Pharmaceuticals (ALNY) using real recorded closing prices.
Recent News & Official Exchange Announcements
Official exchange filings, order wins, and company updates. Click any announcement to see how it affects the business on the right.
Alnylam Securities Probe Continues After $200M Guidance Cut Triggers Share Slump - scanx.trade
Alnylam Securities Probe Continues After $200M Guidance Cut Triggers Share Slump scanx.trade
Why This Matters for the Business
Plain-English breakdown of how the selected announcement connects to revenue, costs, and business drivers.
Statutory authority initiated administrative review or penalty demand, increasing contingent liabilities.
- •Statutory authority or regulatory body issued show cause or demand notice
Volume throughput absorbs fixed manufacturing plant overheads, supporting operating EBITDA margins and cash generation across health care units.
Continuous commercial tenders and capital expenditures lock in forward order book-to-bill expansion.
Common Questions About Alnylam Pharmaceuticals (ALNY)
Key facts on ALNY share price, historical returns, valuation ratios, and past SIP performance.
What is the current share price and 52-week range of Alnylam Pharmaceuticals (ALNY)?
As of 16 Oct 2026, the official closing share price of Alnylam Pharmaceuticals (ALNY) on NASDAQ is $231.83 (-0.94% vs the previous close). Over the past 52 weeks, ALNY has traded between a low of $205.48 and a high of $491.22, with a reported market capitalization of $30.38B.
What are the historical returns of Alnylam Pharmaceuticals (ALNY)?
Based on split-adjusted closing prices through 16 Oct 2026, Alnylam Pharmaceuticals (ALNY) recorded the following trailing price returns: 1 Week: -0.37% (from $232.68 to $231.83); 15 Days: +0.28% (from $231.18 to $231.83); 1 Month: -3.15% (from $239.36 to $231.83); 3 Months: -18.12% (from $283.15 to $231.83); 6 Months: -27.58% (from $320.13 to $231.83); 1 Year: -51.81% (from $481.07 to $231.83); 3 Years: +38.61% (from $167.25 to $231.83); 5 Years: +13.70% (from $203.90 to $231.83). Past performance reflects historical exchange records and does not predict future returns.
What is the P/E ratio, P/B ratio, and dividend yield of Alnylam Pharmaceuticals (ALNY)?
Alnylam Pharmaceuticals (ALNY) currently trades at a trailing Price-to-Earnings (P/E) ratio of 38.3x, a Price-to-Book (P/B) ratio of 22.4x, and a trailing 12-month dividend yield of not reported. It operates in the Health Care sector (NASDAQ-100).
How much would a past lump-sum or monthly SIP investment in ALNY have grown?
Based on historical closing prices for Alnylam Pharmaceuticals (ALNY): A one-time lump-sum investment of $10000.00 held for 5 years would be worth $11369.79 (+13.7% total return, 2.6% CAGR), while a monthly SIP of $500.00 over 5 years (total invested: $30500.00) would be worth $32952.34 (+8.0% absolute return). You can test custom amounts and holding periods in the interactive calculator above.