What If You Invested $1,000 in Marsh & McLennan Companies (MRSH)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Marsh & McLennan Companies
MRSH
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
+33863.51% (339.6 times)
- Buy
- Dec 8, 1980
- $0.71
- Sell
- Apr 3, 2025
- $240.91
Buying MRSH at the all-time low and selling at the peak would have turned $1,000 into $339,635.06.
Max drawdown
-67.46% (fell to 33% of peak)
- Peak
- Oct 5, 2000
- $37.93
- Trough
- Mar 2, 2009
- $12.34
The worst decline for MRSH was -67.46% (fell to 33% of peak) from peak to trough.
IPO to current
+19184.50% (192.8 times)
- IPO
- Feb 21, 1973
- $0.9
- Current
- Mar 16, 2026
- $173.76
A $1,000 investment in MRSH at IPO would be worth $192,845.03 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Marsh & McLennan Companies (MRSH) stock's all-time high and all-time low?
- Marsh & McLennan Companies (MRSH) stock's all-time low was $0.71 on Dec 8, 1980. The all-time high was $240.91 on Apr 3, 2025.
What if you invested $1,000 in Marsh & McLennan Companies (MRSH) stock at the all-time low?
- Buying Marsh & McLennan Companies (MRSH) stock at the all-time low ($0.71 on Dec 8, 1980) and selling at the peak ($240.91 on Apr 3, 2025) would have turned $1,000 into $339,635.06. Historical return: +33863.51% (339.6 times).
What are Marsh & McLennan Companies (MRSH)'s best buy and sell dates for maximum profit?
- The best buy date for Marsh & McLennan Companies (MRSH) stock was Dec 8, 1980 (all-time low at $0.71). The best sell date was Apr 3, 2025 at $240.91. This investment would have returned +33863.51% (339.6 times).
What was Marsh & McLennan Companies (MRSH) stock's maximum drawdown?
- Marsh & McLennan Companies (MRSH) stock's worst decline was -67.46% (fell to 33% of peak) from peak to trough. Peak: $37.93 on Oct 5, 2000. Trough: $12.34 on Mar 2, 2009. A $1,000 investment at the peak would have been worth $325.41 at the trough.
What if you bought Marsh & McLennan Companies (MRSH) stock at IPO?
- A $1,000 investment in Marsh & McLennan Companies (MRSH) stock at IPO ($0.9 on Feb 21, 1973) would be worth $192,845.03 today. Historical return: +19184.50% (192.8 times). Current stock price: $173.76 as of Mar 16, 2026.
What if you invested $1,000 in Marsh & McLennan Companies (MRSH) 5 years ago?
- A $1,000 investment in Marsh & McLennan Companies (MRSH) stock 5 years ago ($110.24 on Mar 16, 2021) would be worth $1,576.23 today. Historical return: +57.62% (1.58 times). Current stock price: $173.76 as of Mar 16, 2026.
What if you invested $1,000 in Marsh & McLennan Companies (MRSH) 10 years ago?
- A $1,000 investment in Marsh & McLennan Companies (MRSH) stock 10 years ago ($49.8 on Mar 16, 2016) would be worth $3,489.45 today. Historical return: +248.94% (3.49 times). Current stock price: $173.76 as of Mar 16, 2026.
What if you invested $1,000 in Marsh & McLennan Companies (MRSH) 20 years ago?
- A $1,000 investment in Marsh & McLennan Companies (MRSH) stock 20 years ago ($19.22 on Mar 16, 2006) would be worth $9,042.53 today. Historical return: +804.25% (9.04 times). Current stock price: $173.76 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 MRSH. You can select any date between our first and most recent data point.