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First Sensor AGWBO:SIS +1.94%59 Days Inventory is 274.57 as of Mar. 2026, which is 62% above its 10-year median of 169.46. GuruFocus rates WBO:SIS with a GF Score™ of 59/100 and a GF Value™ of €46.28. The stock has 4 warning signs investors should review. Among 983 Semiconductors companies, First Sensor AG ranks worse than 86.98% on this metric.
The historical rank and industry rank for First Sensor AG's Days Inventory or its related term are showing as below:
WBO:SIS'
s Days Inventory Range Over the Past 10 Years
Min: 133.72 Med: 169.46 Max: 289.28
Current: 265.07
During the past 13 years, First Sensor AG's highest Days Inventory was 289.28. The lowest was 133.72. And the median was 169.46.
WBO:SIS's Days Inventory is ranked worse than 86.98% of 983
companies
in the Semiconductors industry
Industry Median: 112.13
vs WBO:SIS: 265.07
First Sensor AG's Days Inventory
declined
from Mar. 2025 (461.10) to Mar. 2026 (274.57).
Inventory Turnover measures how fast the company turns over its inventory within a year.
First Sensor AG's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.33.
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.
First Sensor AG's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 1.90.
First Sensor AG (WBO:SIS) 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.
First Sensor AG'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.
First Sensor AG'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.
First Sensor AG Days Inventory Related Terms
First Sensor AG Days Inventory Historical Data
* Premium members only.
The historical data trend for First Sensor AG'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.
WBO:SIS vs AMAT, LRCX, KLAC: Days Inventory Comparison
For the Semiconductor Equipment & Materials subindustry, First Sensor AG'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.
First Sensor AG Days Inventory vs Semiconductors Industry
For the Semiconductors industry and Technology sector, First Sensor AG's Days Inventory distribution charts can be found below:
* The bar in red indicates where First Sensor AG'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.
First Sensor AG (WBO:SIS) has a Days Inventory of 274.57 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on First Sensor AG and its competitors. This is 62% above median its historical median of 169.46. Over the past decade, First Sensor AG's Days Inventory has ranged from 133.72 to 289.28. According to the industry distribution chart, First Sensor AG ranks #855 out of 983 companies in the Semiconductors industry, placing it in the top 87%.
Is First Sensor AG's Days Inventory too high?
First Sensor AG's current Days Inventory of 274.57 is 62% above median its 10-year median of 169.46. Over the past 10 years, this metric has ranged from a low of 133.72 to a high of 289.28. The Semiconductors industry median Days Inventory is 112.13. First Sensor AG's value of 274.57 is 144.9% above this industry median. Based on the distribution chart, First Sensor AG ranks #855 out of 983 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, First Sensor AG has a GF Score™ of 59/100, reflecting its overall financial health beyond just this single metric.
How does First Sensor AG's Days Inventory compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, First Sensor AG ranks #855 out of 983 companies for Days Inventory. This places First Sensor AG in the lower half of its industry. The industry median Days Inventory is 112.13. First Sensor AG's value of 274.57 is 144.9% above this benchmark. Historically, First Sensor AG's own Days Inventory has ranged from 133.72 to 289.28 over the past decade. While the company's 10-year median is 169.46 vs. the industry median of 112.13, First Sensor AG has consistently been above 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 112.13, based on 983 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. First Sensor AG's current Days Inventory of 274.57 is 144.9% above 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 First Sensor AG and its competitors. For the Semiconductors industry, the median Days Inventory is 112.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. First Sensor AG's current Days Inventory is 274.57, which is 62% above median its own 10-year median of 169.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is First Sensor AG stock overvalued right now?
First Sensor AG (WBO:SIS) has a current Days Inventory of 274.57. The stock's GF Value™ is €46.28, compared to a current price of €52.50 — trading 13.4% above its estimated fair value. The current Days Inventory is 274.57, which is 62% above median its 10-year median of 169.46 and 144.9% above the Semiconductors industry median of 112.13. First Sensor AG's overall GF Score™ is 59/100 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 First Sensor AG (WBO:SIS), the current Days Inventory is 274.57 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 First Sensor AG (WBO:SIS) Overvalued in 2026?
Based on GuruFocus' analysis, First Sensor AG stock appears to be overvalued.
The current stock price of €52.50 is trading 13.4% above its estimated GF Value™ of €46.28.
Key valuation signals for WBO:SIS:
Days Inventory: 274.57 (62% above median its 10-year median of 169.46)
GF Value™: €46.28 vs. price of €52.50 (13.4% above fair value)
Industry Position: 144.9% above the Semiconductors median (#855 of 983)
No single metric tells the full story. See the WBO:SIS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
First Sensor AG is a Germany-based company. It operates in the sensor production and microsystems technology industries. The company's business focuses mainly on the development, manufacture, and distribution of customer-specific optical and non-optical semiconductor sensors and sensor systems. It also develops and manufactures customized hybrid circuits and products for microsystem engineering and packaging. Its product portfolio consists of optical sensors, radiation sensors, pressure sensors, level sensors, flow sensors, inertial sensors, cameras, and other products.
59GF Score
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