Pentair plc
Pentair plc (PNR) Stock Splits
Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.
FMP · PNR · as of Jun 8, 2026
Key split metrics
Latest Split Event
Forward SplitStock Split History
| Date↓ | Ratio | Type | Multiple↕ | Cumulative↕ |
|---|---|---|---|---|
| May 1, 2018 | 1489-for-1000 | Forward | ×1.49 | ×34.81 |
| Jun 9, 2004 | 2-for-1 | Forward | ×2 | ×23.38 |
| Feb 20, 1996 | 2-for-1 | Forward | ×2 | ×11.69 |
| Jun 14, 1993 | 3-for-2 | Forward | ×1.50 | ×5.84 |
| May 27, 1988 | 11-for-10 | Forward | ×1.10 | ×3.90 |
| Mar 17, 1986 | 11-for-10 | Forward | ×1.10 | ×3.54 |
| Apr 1, 1985 | 5-for-4 | Forward | ×1.25 | ×3.22 |
| Nov 16, 1983 | 5-for-4 | Forward | ×1.25 | ×2.58 |
| Feb 25, 1982 | 5-for-4 | Forward | ×1.25 | ×2.06 |
| Jul 24, 1978 | 3-for-2 | Forward | ×1.50 | ×1.65 |
| Oct 8, 1975 | 1099-for-1000 | Forward | ×1.10 | ×1.10 |
Stock Split Calculator
If you bought 100 shares purchased of PNR on Jan 1, 2020 — — how many shares would you hold today after all splits?
This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.
About stock split history & investor guide
Pentair plc (PNR) has split its stock 11 times since its IPO, with a cumulative multiplier of ×34.81. The most recent split was a 1489-for-1000 forward split on May 1, 2018.
Frequently asked questions
Pentair plc (PNR) has split its stock 11 times. All splits were forward splits. The cumulative multiplier is ×34.81, meaning 1 share at IPO would equal 34.81 shares today.