WST (West Pharmaceutical Services) FCF Margin %: 5.59% (As of Mar. 2026) — 55% Below Median


WST West Pharmaceutical Services Inc WST
95 GF Score
Price $340.77
GF Value $361.52
Valuation Fairly Valued
! 9 Warning Signs
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What is West Pharmaceutical Services FCF Margin %?

West Pharmaceutical Services WST +1.30% 95 FCF Margin % is 5.59% as of Mar. 2026, which is 55% below its 10-year median of 12.39. GuruFocus rates WST with a GF Score™ of 95/100 and a GF Value™ of $361.52 (Fairly Valued). The stock has 9 warning signs investors should review. Among 815 Medical Devices & Instruments companies, West Pharmaceutical Services ranks better than 82.94% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. West Pharmaceutical Services's Free Cash Flow for the three months ended in Mar. 2026 was $47 Mil. West Pharmaceutical Services's Revenue for the three months ended in Mar. 2026 was $845 Mil. Therefore, West Pharmaceutical Services's FCF Margin % for the quarter that ended in Mar. 2026 was 5.59%.

As of today, West Pharmaceutical Services's current FCF Yield % is 1.90%.

The historical rank and industry rank for West Pharmaceutical Services's FCF Margin % or its related term are showing as below:

WST' s FCF Margin % Range Over the Past 10 Years
Min: 3.26   Med: 12.39   Max: 15.25
Current: 14.22


During the past 13 years, the highest FCF Margin % of West Pharmaceutical Services was 15.25%. The lowest was 3.26%. And the median was 12.39%.

WST's FCF Margin % is ranked better than
82.94% of 815 companies
in the Medical Devices & Instruments industry
Industry Median: -0.1 vs WST: 14.22


West Pharmaceutical Services FCF Margin % Related Terms


West Pharmaceutical Services FCF Margin % Historical Data

* Premium members only.

The historical data trend for West Pharmaceutical Services's FCF Margin % 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.

West Pharmaceutical Services FCF Margin % Chart

West Pharmaceutical Services Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 11.68 15.22 14.05 9.55 15.25

West Pharmaceutical Services Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FCF Margin % 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 8.32 13.29 16.64 21.74 5.59

WST vs RMD, MDLN, SOLV: FCF Margin % Comparison

For the Medical Instruments & Supplies subindustry, West Pharmaceutical Services's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


West Pharmaceutical Services FCF Margin % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, West Pharmaceutical Services's FCF Margin % distribution charts can be found below:

* The bar in red indicates where West Pharmaceutical Services's FCF Margin % falls into.


WST
95GF Score
West Pharmaceutical Services Inc WST
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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West Pharmaceutical Services FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

West Pharmaceutical Services's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=468.9/3074.1
=15.25 %

West Pharmaceutical Services's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=47.2/844.9
=5.59 %

* 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.

Frequently Asked Questions Learn more about FCF Margin % →
What does a FCF Margin % of 5.59% mean?
West Pharmaceutical Services (WST) has a FCF Margin % of 5.59% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on West Pharmaceutical Services and its competitors. This is 55% below median its historical median of 12.39. Over the past decade, West Pharmaceutical Services' FCF Margin % has ranged from 3.26 to 15.25. According to the industry distribution chart, West Pharmaceutical Services ranks #139 out of 815 companies in the Medical Devices & Instruments industry, placing it in the top 17.1%.
Is West Pharmaceutical Services' FCF Margin % too high?
West Pharmaceutical Services' current FCF Margin % of 5.59% is 55% below median its 10-year median of 12.39. Over the past 10 years, this metric has ranged from a low of 3.26 to a high of 15.25. Based on the distribution chart, West Pharmaceutical Services ranks #139 out of 815 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, West Pharmaceutical Services has a GF Score™ of 95/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does West Pharmaceutical Services' FCF Margin % compare to RMD and MDLN?
According to the Medical Devices & Instruments industry distribution chart, West Pharmaceutical Services ranks #139 out of 815 companies for FCF Margin %. This places West Pharmaceutical Services in the top 17% of its industry — outperforming the majority of peers. Historically, West Pharmaceutical Services' own FCF Margin % has ranged from 3.26 to 15.25 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Medical Devices & Instruments company?
A good FCF Margin % depends on the Medical Devices & Instruments industry context. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on West Pharmaceutical Services and its competitors. West Pharmaceutical Services's current FCF Margin % is 5.59%, which is 55% below median its own 10-year median of 12.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is West Pharmaceutical Services stock overvalued right now?
Based on GuruFocus' analysis, West Pharmaceutical Services (WST) is currently considered Fairly Valued. The stock's GF Value™ is $361.52, compared to a current price of $340.77 — trading 5.7% below its estimated fair value. The current FCF Margin % is 5.59%, which is 55% below median its 10-year median of 12.39. West Pharmaceutical Services' overall GF Score™ is 95/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For West Pharmaceutical Services (WST), the current FCF Margin % is 5.59% as of Mar. 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 West Pharmaceutical Services (WST) Overvalued in 2026?

Based on GuruFocus' analysis, West Pharmaceutical Services stock appears to be undervalued. The current stock price of $340.77 is trading 5.7% below its estimated GF Value™ of $361.52. GuruFocus considers West Pharmaceutical Services to be Fairly Valued.

Key valuation signals for WST:

  • FCF Margin %: 5.59% (55% below median its 10-year median of 12.39)
  • GF Value™: $361.52 vs. price of $340.77 (5.7% below fair value)
  • GF Score™: 95/100 with 9 warning signs

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


West Pharmaceutical Services Business Description

Address 530 Herman O. West Drive, Exton, PA, USA, 19341-1147
West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.
95GF Score

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FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$340.77
Price
$361.52
GF Value