AvantorSTU:AVG +2.89%61 Days Inventory is 68.31 as of Mar. 2026, which is 8% above its 10-year median of 63.19. GuruFocus rates STU:AVG with a GF Score™ of 61/100 and a GF Value™ of €16.15 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 786 Medical Devices & Instruments companies, Avantor ranks better than 91.22% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Avantor's Average Total Inventories for the
three
months ended in Mar. 2026 was €700 Mil. Avantor's Cost of Goods Sold for the
three
months ended in Mar. 2026 was €935 Mil.
Hence, Avantor's Days Inventory for the
three
months ended in Mar. 2026 was 68.31.
The historical rank and industry rank for Avantor's Days Inventory or its related term are showing as below:
STU:AVG'
s Days Inventory Range Over the Past 10 Years
Min: 60.23 Med: 63.19 Max: 311.46
Current: 64.91
During the past 10 years, Avantor's highest Days Inventory was 311.46. The lowest was 60.23. And the median was 63.19.
STU:AVG's Days Inventory is ranked better than 91.22% of 786
companies
in the Medical Devices & Instruments industry
Industry Median: 179.86
vs STU:AVG: 64.91
Avantor's Days Inventory
increased
from Mar. 2025 (65.63) to Mar. 2026 (68.31).
It might indicate that Avantor's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Avantor's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.34.
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.
Avantor's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.51.
Avantor (STU:AVG) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Avantor's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
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.
Avantor's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Avantor Days Inventory Related Terms
Avantor Days Inventory Historical Data
* Premium members only.
The historical data trend for Avantor's Days Inventory 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.
STU:AVG vs TFX, RGEN, STVN: Days Inventory Comparison
For the Medical Instruments & Supplies subindustry, Avantor's Days Inventory, along with its competitors' market caps and Days Inventory 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.
Avantor Days Inventory vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Avantor's Days Inventory distribution charts can be found below:
* The bar in red indicates where Avantor's Days Inventory falls into.
* 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.
Avantor (STU:AVG) has a Days Inventory of 68.31 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Avantor and its competitors. This is near median its historical median of 63.19. Over the past decade, Avantor's Days Inventory has ranged from 60.23 to 311.46. According to the industry distribution chart, Avantor ranks #69 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 8.8%.
Is Avantor's Days Inventory too high?
Avantor's current Days Inventory of 68.31 is near median its 10-year median of 63.19. Over the past 10 years, this metric has ranged from a low of 60.23 to a high of 311.46. The Medical Devices & Instruments industry median Days Inventory is 179.86. Avantor's value of 68.31 is 62% below this industry median. Based on the distribution chart, Avantor ranks #69 out of 786 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Avantor has a GF Score™ of 61/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Avantor's Days Inventory compare to TFX and RGEN?
According to the Medical Devices & Instruments industry distribution chart, Avantor ranks #69 out of 786 companies for Days Inventory. This places Avantor in the top 9% of its industry — outperforming the majority of peers. The industry median Days Inventory is 179.86. Avantor's value of 68.31 is 62% below this benchmark. Historically, Avantor's own Days Inventory has ranged from 60.23 to 311.46 over the past decade. While the company's 10-year median is 63.19 vs. the industry median of 179.86, Avantor has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Medical Devices & Instruments company?
The median Days Inventory among Medical Devices & Instruments companies is 179.86, based on 786 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Avantor's current Days Inventory of 68.31 is 62% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Avantor and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 179.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Avantor's current Days Inventory is 68.31, which is near median its own 10-year median of 63.19. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Avantor stock overvalued right now?
Based on GuruFocus' analysis, Avantor (STU:AVG) is currently considered Possible Value Trap. The stock's GF Value™ is €16.15, compared to a current price of €8.49 — trading 47.5% below its estimated fair value. The current Days Inventory is 68.31, which is near median its 10-year median of 63.19 and 62% below the Medical Devices & Instruments industry median of 179.86. Avantor's overall GF Score™ is 61/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Avantor (STU:AVG), the current Days Inventory is 68.31 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 Avantor (STU:AVG) Overvalued in 2026?
Based on GuruFocus' analysis, Avantor stock appears to be undervalued.
The current stock price of €8.49 is trading 47.5% below its estimated GF Value™ of €16.15.
GuruFocus considers Avantor to be Possible Value Trap.
Key valuation signals for STU:AVG:
Days Inventory: 68.31 (near median its 10-year median of 63.19)
GF Value™: €16.15 vs. price of €8.49 (47.5% below fair value)
Industry Position: 62% below the Medical Devices & Instruments median (#69 of 786)
No single metric tells the full story. See the STU:AVG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Avantor Inc provides products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries. The company operates through two segments: Laboratory Solutions and Bioscience Production. It offers materials & consumables, equipment & instrumentation, and services & specialty procurement. Product groups include Equipment & Instrumentation, Services & Specialty Procurement, Proprietary Materials & Consumables, and Third-Party Materials & Consumables. Materials & consumables include high-purity chemicals and reagents, lab supplies, customized excipients, single-use assemblies, chromatography products, sample preparation kits, and fluid handling solutions. It operates in the Americas, Europe, and AMEA.
61GF Score
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