WST (West Pharmaceutical Services) Inventory Turnover: 1.22 (As of Mar. 2026)

What is West Pharmaceutical Services Inventory Turnover?

West Pharmaceutical Services WST -0.10% 95 Inventory Turnover is 1.22 as of Mar. 2026. GuruFocus rates WST with a GF Score™ of 95/100 and a GF Value™ of $361.62 (Fairly Valued). The stock has 9 warning signs investors should review.

Inventory Turnover measures how fast the company turns over its inventory within a year. It is calculated as Cost of Goods Sold divided by Total Inventories. West Pharmaceutical Services's Cost of Goods Sold for the three months ended in Mar. 2026 was $549 Mil. West Pharmaceutical Services's Average Total Inventories for the quarter that ended in Mar. 2026 was $448 Mil. West Pharmaceutical Services's Inventory Turnover for the quarter that ended in Mar. 2026 was 1.22.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. West Pharmaceutical Services's Days Inventory for the three months ended in Mar. 2026 was 74.57.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. West Pharmaceutical Services's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 0.53.

West Pharmaceutical Services (NYSE:WST) Inventory Turnover Explanation

Inventory Turnover measures how fast the company turns over its inventory within a year. A higher Inventory Turnover means the company has light inventory. Therefore the company spends less money on storage, write downs, and obsolete inventory. If the inventory is too light, it may affect sales because the company may not have enough to meet demand.

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

West Pharmaceutical Services's Days Inventory for the three months ended in Mar. 2026 is calculated as:

Days Inventory	=	Average Total Inventories (Q: Mar. 2026 )	/	Cost of Goods Sold (Q: Mar. 2026 )	*	Days in Period
	=	448.25	/	548.5	*	365 / 4
	=	74.57

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

West Pharmaceutical Services's Inventory to Revenue for the quarter that ended in Mar. 2026 is calculated as

Inventory-to-Revenue	=	Average Total Inventories (Q: Mar. 2026 )	/	Revenue (Q: Mar. 2026 )
	=	448.25	/	844.9
	=	0.53

* 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.

Be Aware

Usually retailers pile up their inventories at holiday seasons to meet the stronger demand. Therefore, the inventory of a particular quarter of a year should not be used to calculate Inventory Turnover. An average inventory is a better indication.

West Pharmaceutical Services Inventory Turnover Related Terms

West Pharmaceutical Services Inventory Turnover Historical Data

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The historical data trend for West Pharmaceutical Services's Inventory Turnover can be seen below:

West Pharmaceutical Services Inventory Turnover Chart

West Pharmaceutical Services Annual Data

Trend

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

Inventory Turnover

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4.73

4.41

4.29

4.67

4.80

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
Inventory Turnover	Get a 7-Day Free Trial															1.22	1.22	1.19	1.14	1.22

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West Pharmaceutical Services Inc WST

Inventory Turnover is just one metric. See GF Score™, valuation, warning signs, and more.

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West Pharmaceutical Services Inventory Turnover Calculation

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

	Inventory Turnover (A: Dec. 2025 )
=	Cost of Goods Sold	/	Average Total Inventories
=	Cost of Goods Sold (A: Dec. 2025 )	/ (	(Total Inventories (A: Dec. 2024 )	+	Total Inventories (A: Dec. 2025 ))	/	count )
=	1970.1	/ (	(377	+	443.9)	/	2 )
=	1970.1	/	410.45
=	4.80

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

	Inventory Turnover (Q: Mar. 2026 )
=	Cost of Goods Sold	/	Average Total Inventories
=	Cost of Goods Sold (Q: Mar. 2026 )	/ (	(Total Inventories (Q: Dec. 2025 )	+	Total Inventories (Q: Mar. 2026 ))	/	count )
=	548.5	/ (	(443.9	+	452.6)	/	2 )
=	548.5	/	448.25
=	1.22

Frequently Asked Questions Learn more about Inventory Turnover →

What does a Inventory Turnover of 1.22 mean?

West Pharmaceutical Services (WST) has a Inventory Turnover of 1.22 as of Mar. 2026. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on West Pharmaceutical Services and its competitors.

Is West Pharmaceutical Services' Inventory Turnover too high?

West Pharmaceutical Services' current Inventory Turnover is 1.22. 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' Inventory Turnover compare to RMD and MDLN?

West Pharmaceutical Services' Inventory Turnover of 1.22 can be compared against companies in the Medical Devices & Instruments industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.

What is a good Inventory Turnover for a Medical Devices & Instruments company?

A good Inventory Turnover depends on the Medical Devices & Instruments industry context. However, Inventory Turnover 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 Inventory Turnover mean?

A high Inventory Turnover can signal that a stock is expensive relative to its fundamentals. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on West Pharmaceutical Services and its competitors. West Pharmaceutical Services's current Inventory Turnover is 1.22. 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 $361.62, compared to a current price of $350.51 — trading 3.1% below its estimated fair value. The current Inventory Turnover is 1.22. 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 Inventory Turnover calculated?

Inventory Turnover is calculated from a company's financial statements. For West Pharmaceutical Services (WST), the current Inventory Turnover is 1.22 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 $350.51 is trading 3.1% below its estimated GF Value™ of $361.62. GuruFocus considers West Pharmaceutical Services to be Fairly Valued.

Key valuation signals for WST:

Inventory Turnover: 1.22
GF Value™: $361.62 vs. price of $350.51 (3.1% 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

Industry Healthcare Medical Devices & Instruments

Comparable Companies RMD MDLN COO SOLV ALGN BAX RGEN ATR AVTR BDX ISRG XPAR:EL TSE:7741 XSWX:ALC XSWX:STMN TSE:4543 XPAR:DIM OCSE:COLO B NZSE:FPH NSE:LENSKART

Other Exchanges 1WST:Italy WPS:Germany W2ST34:Brazil

Address 530 Herman O. West Drive, Exton, PA, USA, 19341-1147

Website https://www.westpharma.com

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.

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$350.51

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$361.62

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