What If You Invested $1,000 in Alnylam Pharmaceuticals (ALNY)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Alnylam Pharmaceuticals
ALNY
Historical extremes
Maximum profit (buy at all-time low, sell at peak), maximum drawdown (peak to trough), and total return from IPO to current price.
Max profit
+12335.95% (124.4 times)
- Buy
- Aug 16, 2004
- $3.95
- Sell
- Oct 20, 2025
- $491.22
Buying ALNY at the all-time low and selling at the peak would have turned $1,000 into $124,359.49.
Max drawdown
-83.58% (fell to 16% of peak)
- Peak
- Oct 9, 2007
- $36.55
- Trough
- Oct 3, 2011
- $6
The worst decline for ALNY was -83.58% (fell to 16% of peak) from peak to trough.
IPO to current
+4455.86% (45.6 times)
- IPO
- Jun 1, 2004
- $7
- Current
- Mar 16, 2026
- $318.91
A $1,000 investment in ALNY at IPO would be worth $45,558.57 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Alnylam Pharmaceuticals (ALNY) stock's all-time high and all-time low?
- Alnylam Pharmaceuticals (ALNY) stock's all-time low was $3.95 on Aug 16, 2004. The all-time high was $491.22 on Oct 20, 2025.
What if you invested $1,000 in Alnylam Pharmaceuticals (ALNY) stock at the all-time low?
- Buying Alnylam Pharmaceuticals (ALNY) stock at the all-time low ($3.95 on Aug 16, 2004) and selling at the peak ($491.22 on Oct 20, 2025) would have turned $1,000 into $124,359.49. Historical return: +12335.95% (124.4 times).
What are Alnylam Pharmaceuticals (ALNY)'s best buy and sell dates for maximum profit?
- The best buy date for Alnylam Pharmaceuticals (ALNY) stock was Aug 16, 2004 (all-time low at $3.95). The best sell date was Oct 20, 2025 at $491.22. This investment would have returned +12335.95% (124.4 times).
What was Alnylam Pharmaceuticals (ALNY) stock's maximum drawdown?
- Alnylam Pharmaceuticals (ALNY) stock's worst decline was -83.58% (fell to 16% of peak) from peak to trough. Peak: $36.55 on Oct 9, 2007. Trough: $6 on Oct 3, 2011. A $1,000 investment at the peak would have been worth $164.16 at the trough.
What if you bought Alnylam Pharmaceuticals (ALNY) stock at IPO?
- A $1,000 investment in Alnylam Pharmaceuticals (ALNY) stock at IPO ($7 on Jun 1, 2004) would be worth $45,558.57 today. Historical return: +4455.86% (45.6 times). Current stock price: $318.91 as of Mar 16, 2026.
What if you invested $1,000 in Alnylam Pharmaceuticals (ALNY) 5 years ago?
- A $1,000 investment in Alnylam Pharmaceuticals (ALNY) stock 5 years ago ($143.78 on Mar 16, 2021) would be worth $2,218.04 today. Historical return: +121.80% (2.22 times). Current stock price: $318.91 as of Mar 16, 2026.
What if you invested $1,000 in Alnylam Pharmaceuticals (ALNY) 10 years ago?
- A $1,000 investment in Alnylam Pharmaceuticals (ALNY) stock 10 years ago ($60.39 on Mar 16, 2016) would be worth $5,280.84 today. Historical return: +428.08% (5.28 times). Current stock price: $318.91 as of Mar 16, 2026.
What if you invested $1,000 in Alnylam Pharmaceuticals (ALNY) 20 years ago?
- A $1,000 investment in Alnylam Pharmaceuticals (ALNY) stock 20 years ago ($16.89 on Mar 16, 2006) would be worth $18,881.59 today. Historical return: +1788.16% (18.9 times). Current stock price: $318.91 as of Mar 16, 2026.
About this data
- How does the investment calculator work?
- Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
- What are Historical extremes?
- Max profit: buy at all-time low, sell at the highest price after. Max drawdown: the largest peak-to-trough decline in price. IPO to current: total return from IPO date to the latest price.
- What is Max drawdown?
- Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
- Does this include dividends?
- The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
- Where does the price data come from?
- Historical prices are from Yahoo Finance, adjusted for stock splits and dividends. We use adjusted close for all calculations.
- How are the dollar amounts in the cards calculated?
- The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
- What date range can I use?
- The available date range depends on our historical price data for ALNY. You can select any date between our first and most recent data point.