Porvair (CHIX:PRVL) Change In Working Capital: £-4.0 Mil (TTM As of May. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

CHIX:PRVL Porvair PLC CHIX:PRVL
96 GF Score
Price £8.79
GF Value £7.69
Valuation Modestly Overvalued
! 6 Warning Signs
View Full Analysis

What is Porvair Change In Working Capital?

Porvair CHIX:PRVL -0.79% 96 Change In Working Capital is £-4.0 Mil as of May. 2026. GuruFocus rates CHIX:PRVL with a GF Score™ of 96/100 and a GF Value™ of £7.69 (Modestly Overvalued). The stock has 6 warning signs investors should review.

Porvair's change in working capital for the quarter that ended in May. 2026 was £-5.8 Mil.

Porvair's change in working capital for the fiscal year that ended in Nov. 2025 was £-1.6 Mil.

It is calculated by adding the items under "Change in operating assets and liabilities" (may refer to a different name for different company) section in Cash Flow Statement. Not by calculating the number changes in each periods' working capital (Total Current Assets minus Total Current Liabilities).


Porvair Change In Working Capital Related Terms


Porvair Change In Working Capital Historical Data

* Premium members only.

The historical data trend for Porvair's Change In Working Capital can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Porvair Change In Working Capital Chart

Porvair Annual Data
Trend Nov16 Nov17 Nov18 Nov19 Nov20 Nov21 Nov22 Nov23 Nov24 Nov25
Change In Working Capital
Get a 7-Day Free Trial Premium Member Only Premium Member Only -0.80 -2.71 -2.87 -3.76 -1.59

Porvair Semi-Annual Data
Nov16 May17 Nov17 May18 Nov18 May19 Nov19 May20 Nov20 May21 Nov21 May22 Nov22 May23 Nov23 May24 Nov24 May25 Nov25 May26
Change In Working Capital Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -7.12 3.36 -3.33 1.74 -5.77
CHIX:PRVL
96GF Score
Porvair PLC CHIX:PRVL
Change In Working Capital is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Porvair Change In Working Capital Calculation

Change In Working Capital for the trailing twelve months (TTM) ended in May. 2026 adds up the semi-annually data reported by the company within the most recent 12 months, which was £-4.0 Mil.

Working Capital is a measure of a company's short term liquidity or its ability to cover short term liabilities. It is defined as the difference between a company's current assets and current liabilities.

Changes in Working Capital is reported in the cash flow statement since it is one of the major ways in which net income can differ from operating cash flow. It is calculated by adding the items under "Change in operating assets and liabilities" (may refer to a different name for different company) section in Cash Flow Statement.

Use Wal-Mart Stores Inc (Jan 2014, Annual Data) as an example: Source: Wal-Mart Stores Inc 2014-01-31 10-K from SEC

Consolidated Statements of Cash Flows Fiscal Years EndedJanuary 31,(Amounts in millions)
Cash flows from operating activities: 2014 2013 2012
Changes in certain assets and liabilities, net of effects of acquisitions:
Receivables, net (566) (614) (796)
Inventories (1,667) (2,759) (3,727)
Accounts payable 531 1,061 2,687
Accrued liabilities 103 271 (935)
Accrued income taxes (1,224) 981 994

For 2014-01-31, add all the items under 2014 collum together, Change in Working Capital was (566) + (1,667) + 531 + 103 + (1,224) = $ (2,823) Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a Change In Working Capital of £-4.0 Mil mean?
Porvair (CHIX:PRVL) has a Change In Working Capital of £-4.0 Mil as of May. 2026. Change in Working Capital is the difference between current assets less current liabilities between the current period and the past period. View historical data for Porvair.
Is Porvair's Change In Working Capital too high?
Porvair's current Change In Working Capital is £-4.0 Mil. Overall, Porvair has a GF Score™ of 96/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Porvair's Change In Working Capital compare to VLTO and ZWS?
Porvair's Change In Working Capital of £-4.0 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Working Capital for an Industrial Products company?
A good Change In Working Capital depends on the Industrial Products industry context. However, Change In Working Capital should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Working Capital mean?
A high Change In Working Capital can signal that a stock is expensive relative to its fundamentals. Change in Working Capital is the difference between current assets less current liabilities between the current period and the past period. View historical data for Porvair. Porvair's current Change In Working Capital is £-4.0 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Porvair stock overvalued right now?
Based on GuruFocus' analysis, Porvair (CHIX:PRVL) is currently considered Modestly Overvalued. The stock's GF Value™ is £7.69, compared to a current price of £8.79 — trading 14.3% above its estimated fair value. The current Change In Working Capital is £-4.0 Mil. Porvair's overall GF Score™ is 96/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Working Capital calculated?
Change In Working Capital is calculated from a company's financial statements. For Porvair (CHIX:PRVL), the current Change In Working Capital is £-4.0 Mil as of May. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Porvair (CHIX:PRVL) Overvalued in 2026?

Based on GuruFocus' analysis, Porvair stock appears to be overvalued. The current stock price of £8.79 is trading 14.3% above its estimated GF Value™ of £7.69. GuruFocus considers Porvair to be Modestly Overvalued.

Key valuation signals for CHIX:PRVL:

  • Change In Working Capital: £-4.0 Mil
  • GF Value™: £7.69 vs. price of £8.79 (14.3% above fair value)
  • GF Score™: 96/100 with 6 warning signs

No single metric tells the full story. See the CHIX:PRVL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Porvair Business Description

Other Exchanges PVARF:USAPRV:UK
Address 7 Regis Place, Bergen Way, King\'s Lynn, Norfolk, GBR, PE30 2JN
Porvair PLC is an environmental treatment control company. It develops filtration solutions to be used by various types of industries. The company caters to its clients through three divisions: Aerospace and Industrial, Laboratory, and Metal Melt Quality. The Aerospace and Industrial Division is a key revenue generator, principally serving the aviation, energy, and industrial markets. Laboratory Division principally serving the bioscience and environmental laboratory instrument and consumables market. Metal Melt Quality Division principally serves the world aluminium, North American Free Trade Agreement (NAFTA), iron foundry, and superalloys markets. The company generates the majority of its manufacturing revenue from sales in the United States.
96GF Score

Get the complete analysis for CHIX:PRVL

Change In Working Capital is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£8.79
Price
£7.69
GF Value