What If You Invested $1,000 in Pentair (PNR)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
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
+58443.59% (585.4 times)
- Buy
- Dec 15, 1975
- $0.19
- Sell
- Sep 11, 2025
- $112.06
Buying PNR at the all-time low and selling at the peak would have turned $1,000 into $585,435.94.
Max drawdown
-77.69% (fell to 22% of peak)
- Peak
- Oct 11, 1973
- $0.86
- Trough
- Dec 15, 1975
- $0.19
The worst decline for PNR was -77.69% (fell to 22% of peak) from peak to trough.
IPO to current
+16825.56% (169.3 times)
- IPO
- May 3, 1973
- $0.52
- Current
- Mar 16, 2026
- $88.79
A $1,000 investment in PNR at IPO would be worth $169,255.56 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Pentair (PNR) stock's all-time high and all-time low?
- Pentair (PNR) stock's all-time low was $0.19 on Dec 15, 1975. The all-time high was $112.06 on Sep 11, 2025.
What if you invested $1,000 in Pentair (PNR) stock at the all-time low?
- Buying Pentair (PNR) stock at the all-time low ($0.19 on Dec 15, 1975) and selling at the peak ($112.06 on Sep 11, 2025) would have turned $1,000 into $585,435.94. Historical return: +58443.59% (585.4 times).
What are Pentair (PNR)'s best buy and sell dates for maximum profit?
- The best buy date for Pentair (PNR) stock was Dec 15, 1975 (all-time low at $0.19). The best sell date was Sep 11, 2025 at $112.06. This investment would have returned +58443.59% (585.4 times).
What was Pentair (PNR) stock's maximum drawdown?
- Pentair (PNR) stock's worst decline was -77.69% (fell to 22% of peak) from peak to trough. Peak: $0.86 on Oct 11, 1973. Trough: $0.19 on Dec 15, 1975. A $1,000 investment at the peak would have been worth $223.14 at the trough.
What if you bought Pentair (PNR) stock at IPO?
- A $1,000 investment in Pentair (PNR) stock at IPO ($0.52 on May 3, 1973) would be worth $169,255.56 today. Historical return: +16825.56% (169.3 times). Current stock price: $88.79 as of Mar 16, 2026.
What if you invested $1,000 in Pentair (PNR) 5 years ago?
- A $1,000 investment in Pentair (PNR) stock 5 years ago ($57.13 on Mar 16, 2021) would be worth $1,554.25 today. Historical return: +55.43% (1.55 times). Current stock price: $88.79 as of Mar 16, 2026.
What if you invested $1,000 in Pentair (PNR) 10 years ago?
- A $1,000 investment in Pentair (PNR) stock 10 years ago ($29.56 on Mar 16, 2016) would be worth $3,003.6 today. Historical return: +200.36% (3.00 times). Current stock price: $88.79 as of Mar 16, 2026.
What if you invested $1,000 in Pentair (PNR) 20 years ago?
- A $1,000 investment in Pentair (PNR) stock 20 years ago ($19.1 on Mar 16, 2006) would be worth $4,648.23 today. Historical return: +364.82% (4.65 times). Current stock price: $88.79 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 PNR. You can select any date between our first and most recent data point.
