Pentair
PNRNYSEUSD
- Source valuation snapshot. Not a live recalculation.
- Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
- Diluted earnings per share from the latest filed annual.
- $69.63 Prior regular-session close from the quote source.
- $68.33–$69.60 Regular-session low and high so far today.
- 1.7M Regular-session shares traded · Nov 11, 4:00 PM ET.
- Feb 2 projected Projected for 2027-02-02 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
- $51.13–$109.89 52-week trading low and high returned by the quote source.
Understand the Business
Why the Stock Moved
Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.
The core investment thesis
Own PNR if Pentair composes durable value by using a focused Transformation Program, pricing and sourcing levers, and steady cash generation from diversified water-related businesses to expand margins, fund targeted acquisitions and return cash to shareholders.
PNR price history
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Investment thesis
What must happen next
Pentair's Transformation Program (pricing excellence, sourcing excellence, operations excellence and 80/20 product/customer focus) will causally drive continued operating margin expansion vs. pre‑program levels.StrengtheningMateriality: High
OperatingIncomeLoss rose year‑over‑year: $595.3M (2022) → $739.2M (2023) → $803.8M (2024) → $857.5M (2025). If true, operating income and operating margin will rise without requiring higher revenue, enabling higher free cash flow and potential re‑rating; if false, margin expansion stalls and the valuation is vulnerable.
Watch: Sustained raw material and logistics inflation or renewed tariffs that force price concessions.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
OperatingIncomeLoss rose year‑over‑year: $595.3M (2022) → $739.2M (2023) → $803.8M (2024) → $857.5M (2025).
Open source ↗Pentair's improving operating cash flow conversion will enable funding of tuck‑in M&A and shareholder returns without materially increasing leverage, supporting per‑share value.StrengtheningMateriality: High
NetCashProvidedByUsedInOperatingActivities trended higher: $363.3M (2022) → $619.2M (2023) → $766.7M (2024) → $814.8M (2025). Sustained cash generation permits management to buy accretive assets and repurchase shares; if cash collapses the company must issue debt/equity or cut returns, damaging EPS and valuation.
Watch: Relatively low CashAndCashEquivalents at year‑end (~$101.6M in 2025) meaning cash is sensitive to acquisitions/working capital moves.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
NetCashProvidedByUsedInOperatingActivities trended higher: $363.3M (2022) → $619.2M (2023) → $766.7M (2024) → $814.8M (2025).
Open source ↗Pentair's three‑segment footprint (Flow, Water Solutions, Pool), plus targeted tuck‑ins, will maintain stable aggregate revenue and limit downside from single‑market cyclicality.HoldingMateriality: Medium
Revenue was broadly stable and modestly higher in 2025: $4,121.8M (2022) → $4,104.5M (2023) → $4,082.8M (2024) → $4,176.0M (2025). Diversification reduces revenue volatility and allows management to reallocate resources to higher‑return pockets; if diversification fails to offset cyclical shocks, top‑line and margin assumptions break.
Watch: Seasonality and weather sensitivity (residential/irrigation demand concentrated April–August) can produce large swings year to year.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
Revenue was broadly stable and modestly higher in 2025: $4,121.8M (2022) → $4,104.5M (2023) → $4,082.8M (2024) → $4,176.0M (2025).
Open source ↗Focused product mix (80/20) and pricing actions will preserve or improve gross margins despite commodity and logistics headwinds.StrengtheningMateriality: Medium
GrossProfit increased each year: $1,364.6M (2022) → $1,519.2M (2023) → $1,598.8M (2024) → $1,690.3M (2025). If true, gross margin stability underpins operating margin expansion and cash flow; if pricing/mix cannot offset cost inflation, gross margin compression will cascade to lower operating income and cash.
Watch: New or higher tariffs (or re‑imposition of prior tariffs) and commodity spikes that outpace pricing actions.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
GrossProfit increased each year: $1,364.6M (2022) → $1,519.2M (2023) → $1,598.8M (2024) → $1,690.3M (2025).
Open source ↗
Full investment case & evidence
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Original research
Pentair's Transformation Program (pricing excellence, sourcing excellence, operations excellence and 80/20 product/customer focus) will causally drive continued operating margin expansion vs. pre‑program levels. If true, operating income and operating margin will rise without requiring higher revenue, enabling higher free cash flow and potential re‑rating; if false, margin expansion stalls and the valuation is vulnerable.
Pentair's improving operating cash flow conversion will enable funding of tuck‑in M&A and shareholder returns without materially increasing leverage, supporting per‑share value. Sustained cash generation permits management to buy accretive assets and repurchase shares; if cash collapses the company must issue debt/equity or cut returns, damaging EPS and valuation.
Pentair's three‑segment footprint (Flow, Water Solutions, Pool), plus targeted tuck‑ins, will maintain stable aggregate revenue and limit downside from single‑market cyclicality. Diversification reduces revenue volatility and allows management to reallocate resources to higher‑return pockets; if diversification fails to offset cyclical shocks, top‑line and margin assumptions break.
Focused product mix (80/20) and pricing actions will preserve or improve gross margins despite commodity and logistics headwinds. If true, gross margin stability underpins operating margin expansion and cash flow; if pricing/mix cannot offset cost inflation, gross margin compression will cascade to lower operating income and cash.
All standing thesis claims
Original report summary
Pentair composes durable value by using a focused Transformation Program, pricing and sourcing levers, and steady cash generation from diversified water-related businesses to expand margins, fund targeted acquisitions and return cash to shareholders.
Bull case and bear case
Bull case and bear case for PENTAIR
Where the evidence on PENTAIR stands: Holding on the latest evidence (Nov 6, 2026). Of its 4 thesis points, 3 strengthening and 1 holding.
Bull case: what the evidence supports
Pentair's Transformation Program (pricing excellence, sourcing excellence, operations excellence and 80/20 product/customer focus) will causally drive continued operating margin expansion vs. pre‑program levels.
Pentair's improving operating cash flow conversion will enable funding of tuck‑in M&A and shareholder returns without materially increasing leverage, supporting per‑share value.
Pentair's three‑segment footprint (Flow, Water Solutions, Pool), plus targeted tuck‑ins, will maintain stable aggregate revenue and limit downside from single‑market cyclicality.
Focused product mix (80/20) and pricing actions will preserve or improve gross margins despite commodity and logistics headwinds.
Bear case: what would count against it
Sustained raw material and logistics inflation or renewed tariffs that force price concessions.
Relatively low CashAndCashEquivalents at year‑end (~$101.6M in 2025) meaning cash is sensitive to acquisitions/working capital moves.
Seasonality and weather sensitivity (residential/irrigation demand concentrated April–August) can produce large swings year to year.
Thesis-Break Engine
What has broken in PENTAIR’s thesis
Each break OptimistFi flagged on PENTAIR, dated — with what has historically followed the same kind of break across the market, not a forecast for PENTAIR.
- CEO / officer changecondition set before this filing
Across all companies, this kind of break has happened 16,849 times before. Those stocks trailed comparable companies by a median of 2% over the next six months, and 38% of them trailed it by 10 points or more.
MARKET + FINANCIAL SNAPSHOT
The numbers behind the thesis
What Changed
- MixedReported results of operations (earnings release).
PENTAIR filed an SEC 8-K on 2026-10-27: Reported results of operations (earnings release). It is a dated development that tests the current thesis.
- MixedDirector or principal officer change.
PENTAIR filed an SEC 8-K on 2026-09-22: Director or principal officer change. It is a dated development that tests the current thesis.
- MixedDirector or principal officer change.
PENTAIR filed an SEC 8-K on 2026-09-18: Director or principal officer change. It is a dated development that tests the current thesis.
Risks / falsifiers
What could break the thesis
- Sustained raw material and logistics inflation or renewed tariffs that force price concessions.
- Relatively low CashAndCashEquivalents at year‑end (~$101.6M in 2025) meaning cash is sensitive to acquisitions/working capital moves.
- Seasonality and weather sensitivity (residential/irrigation demand concentrated April–August) can produce large swings year to year.
- New or higher tariffs (or re‑imposition of prior tariffs) and commodity spikes that outpace pricing actions.
PNR news
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Financial statements
PNR income statement
Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.
PNR: quick answers
- When does PENTAIR (PNR) report earnings next?
- PENTAIR's next results are projected for February 2, 2027, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on October 27, 2026. Earnings calendar
- What is PNR's short interest?
- As of October 30, 2026, 7.6M PNR shares were sold short, 4.77% of its shares outstanding, up 3.2% from the count before. At the stock's average daily volume that is 1.9 days to cover. FINRA publishes the count twice a month. PNR short interest history
- Have members of Congress traded PNR?
- Reports made public in the last 90 days disclose 5 trades in PNR by 1 filer: 2 purchases and 3 sales. They are filed under the STOCK Act by members of Congress, the President and senior officials. Every disclosed PNR trade
- Which well-known investors own PNR?
- 1 of the 37 well-known funds tracked here reported PNR shares in their latest 13F filing. By share of the fund's portfolio: Bridgewater Associates (Ray Dalio), 0.0%. Fund portfolios
PNR in well-known investors’ portfolios
1 of 37 funds reported PNR shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.
| Fund | Of its portfolio | Value | Change | Quarter |
|---|---|---|---|---|
| Ray DalioBridgewater Associates | 0.00% | $797K | −76.6% | Q2 2026 |