Inspire Medical Systems (STU:2DR) Inventory Turnover: 0.18 (As of Mar. 2026)

What is Inspire Medical Systems Inventory Turnover?

Inspire Medical Systems STU:2DR -1.83% 55 Inventory Turnover is 0.18 as of Mar. 2026. GuruFocus rates STU:2DR with a GF Score™ of 55/100 and a GF Value™ of €186.43 (Possible Value Trap). The stock has 7 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. Inspire Medical Systems's Cost of Goods Sold for the three months ended in Mar. 2026 was €23.9 Mil. Inspire Medical Systems's Average Total Inventories for the quarter that ended in Mar. 2026 was €133.9 Mil. Inspire Medical Systems's Inventory Turnover for the quarter that ended in Mar. 2026 was 0.18.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Inspire Medical Systems's Days Inventory for the three months ended in Mar. 2026 was 510.62.

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. Inspire Medical Systems's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 0.76.

Inspire Medical Systems (STU:2DR) 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.

Inspire Medical Systems'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
	=	133.9365	/	23.935	*	365 / 4
	=	510.62

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.

Inspire Medical Systems'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 )
	=	133.9365	/	176.964
	=	0.76

* 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.

Inspire Medical Systems Inventory Turnover Related Terms

Inspire Medical Systems Inventory Turnover Historical Data

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The historical data trend for Inspire Medical Systems's Inventory Turnover can be seen below:

Inspire Medical Systems Inventory Turnover Chart

Inspire Medical Systems Annual Data

Trend

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Dec24

Dec25

Inventory Turnover

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2.65

4.72

4.19

2.18

1.13

Inspire Medical Systems 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															0.34	0.30	0.24	0.25	0.18

55GF Score

Inspire Medical Systems Inc STU:2DR

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

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Inspire Medical Systems Inventory Turnover Calculation

Inspire Medical Systems'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 )
=	113.774	/ (	(76.513	+	124.08)	/	2 )
=	113.774	/	100.2965
=	1.13

Inspire Medical Systems'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 )
=	23.935	/ (	(124.08	+	143.793)	/	2 )
=	23.935	/	133.9365
=	0.18

Frequently Asked Questions Learn more about Inventory Turnover →

What does a Inventory Turnover of 0.18 mean?

Inspire Medical Systems (STU:2DR) has a Inventory Turnover of 0.18 as of Mar. 2026. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Inspire Medical Systems and its competitors.

Is Inspire Medical Systems' Inventory Turnover too high?

Inspire Medical Systems' current Inventory Turnover is 0.18. Overall, Inspire Medical Systems has a GF Score™ of 55/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.

How does Inspire Medical Systems' Inventory Turnover compare to ENOV and PRCT?

Inspire Medical Systems' Inventory Turnover of 0.18 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 Inspire Medical Systems and its competitors. Inspire Medical Systems's current Inventory Turnover is 0.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.

Is Inspire Medical Systems stock overvalued right now?

Based on GuruFocus' analysis, Inspire Medical Systems (STU:2DR) is currently considered Possible Value Trap. The stock's GF Value™ is €186.43, compared to a current price of €43.00 — trading 76.9% below its estimated fair value. The current Inventory Turnover is 0.18. Inspire Medical Systems' overall GF Score™ is 55/100 with 7 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 Inspire Medical Systems (STU:2DR), the current Inventory Turnover is 0.18 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 Inspire Medical Systems (STU:2DR) Overvalued in 2026?

Based on GuruFocus' analysis, Inspire Medical Systems stock appears to be undervalued. The current stock price of €43.00 is trading 76.9% below its estimated GF Value™ of €186.43. GuruFocus considers Inspire Medical Systems to be Possible Value Trap.

Key valuation signals for STU:2DR:

Inventory Turnover: 0.18
GF Value™: €186.43 vs. price of €43.00 (76.9% below fair value)
GF Score™: 55/100 with 7 warning signs

No single metric tells the full story. See the STU:2DR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Inspire Medical Systems Business Description

Industry Healthcare Medical Devices & Instruments

Comparable Companies ENOV PRCT AHCO ATEC IRMD IART AVNS LMRI AORT TNDM ABT SYK MDT BSX EW XTER:SHL GEHC DXCM XAMS:PHIA SZSE:300760

Other Exchanges INSP:USA

Address 5500 Wayzata Boulevard, Suite 1600, Golden Valley, MN, USA, 55416

Website https://www.inspiresleep.com

Inspire Medical Systems Inc operates as a medical technology company. It focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA). It offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for moderate to severe obstructive sleep apnea. The firm has operating footprints in the United States and All other countries wherein, it generates a majority of its revenue from the United States. Its segment revenues are derived from the sales of its product, the Inspire system, to hospitals and ambulatory surgery centers in the U.S. and in selected countries in Europe and the Asia Pacific region.

55GF Score

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€43.00

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€186.43

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