What If You Invested $1,000 in Insmed (INSM)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Insmed
INSM
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
+7907.95% (80.1 times)
- Buy
- Nov 25, 2011
- $2.64
- Sell
- Dec 1, 2025
- $211.41
Buying INSM at the all-time low and selling at the peak would have turned $1,000 into $80,079.54.
Max drawdown
-98.65% (fell to 1% of peak)
- Peak
- Aug 30, 2000
- $195
- Trough
- Nov 25, 2011
- $2.64
The worst decline for INSM was -98.65% (fell to 1% of peak) from peak to trough.
IPO to current
-12.36% (0.88 times)
- IPO
- Jun 1, 2000
- $165
- Current
- Mar 16, 2026
- $144.6
A $1,000 investment in INSM at IPO would be worth $876.36 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Insmed (INSM) stock's all-time high and all-time low?
- Insmed (INSM) stock's all-time low was $2.64 on Nov 25, 2011. The all-time high was $211.41 on Dec 1, 2025.
What if you invested $1,000 in Insmed (INSM) stock at the all-time low?
- Buying Insmed (INSM) stock at the all-time low ($2.64 on Nov 25, 2011) and selling at the peak ($211.41 on Dec 1, 2025) would have turned $1,000 into $80,079.54. Historical return: +7907.95% (80.1 times).
What are Insmed (INSM)'s best buy and sell dates for maximum profit?
- The best buy date for Insmed (INSM) stock was Nov 25, 2011 (all-time low at $2.64). The best sell date was Dec 1, 2025 at $211.41. This investment would have returned +7907.95% (80.1 times).
What was Insmed (INSM) stock's maximum drawdown?
- Insmed (INSM) stock's worst decline was -98.65% (fell to 1% of peak) from peak to trough. Peak: $195 on Aug 30, 2000. Trough: $2.64 on Nov 25, 2011. A $1,000 investment at the peak would have been worth $13.54 at the trough.
What if you bought Insmed (INSM) stock at IPO?
- A $1,000 investment in Insmed (INSM) stock at IPO ($165 on Jun 1, 2000) would be worth $876.36 today. Historical return: -12.36% (0.88 times). Current stock price: $144.6 as of Mar 16, 2026.
What if you invested $1,000 in Insmed (INSM) 5 years ago?
- A $1,000 investment in Insmed (INSM) stock 5 years ago ($35.53 on Mar 16, 2021) would be worth $4,069.8 today. Historical return: +306.98% (4.07 times). Current stock price: $144.6 as of Mar 16, 2026.
What if you invested $1,000 in Insmed (INSM) 10 years ago?
- A $1,000 investment in Insmed (INSM) stock 10 years ago ($11.36 on Mar 16, 2016) would be worth $12,728.87 today. Historical return: +1172.89% (12.7 times). Current stock price: $144.6 as of Mar 16, 2026.
What if you invested $1,000 in Insmed (INSM) 20 years ago?
- A $1,000 investment in Insmed (INSM) stock 20 years ago ($20.3 on Mar 16, 2006) would be worth $7,123.15 today. Historical return: +612.32% (7.12 times). Current stock price: $144.6 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 INSM. You can select any date between our first and most recent data point.