STMEF (STMicroelectronics NV) Days Inventory: 140.41 (As of Mar. 2026) — 43% Above Median


STMEF STMicroelectronics NV STMEF
72 GF Score
Price $73.66
GF Value $31.13
Valuation Significantly Overvalued
! 10 Warning Signs
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What is STMicroelectronics NV Days Inventory?

STMicroelectronics NV STMEF 72 Days Inventory is 140.41 as of Mar. 2026, which is 43% above its 10-year median of 98.29. GuruFocus rates STMEF with a GF Score™ of 72/100 and a GF Value™ of $31.13 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 983 Semiconductors companies, STMicroelectronics NV ranks worse than 63.07% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). STMicroelectronics NV's Average Total Inventories for the three months ended in Mar. 2026 was $3,155 Mil. STMicroelectronics NV's Cost of Goods Sold for the three months ended in Mar. 2026 was $2,050 Mil. Hence, STMicroelectronics NV's Days Inventory for the three months ended in Mar. 2026 was 140.41.

The historical rank and industry rank for STMicroelectronics NV's Days Inventory or its related term are showing as below:

STMEF' s Days Inventory Range Over the Past 10 Years
Min: 89.48   Med: 98.29   Max: 146.46
Current: 142.86

During the past 13 years, STMicroelectronics NV's highest Days Inventory was 146.46. The lowest was 89.48. And the median was 98.29.

STMEF's Days Inventory is ranked worse than
63.07% of 983 companies
in the Semiconductors industry
Industry Median: 111.84 vs STMEF: 142.86

STMicroelectronics NV's Days Inventory declined from Mar. 2025 (158.11) to Mar. 2026 (140.41).

Inventory Turnover measures how fast the company turns over its inventory within a year. STMicroelectronics NV's Inventory Turnover for the three months ended in Mar. 2026 was 0.65.

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. STMicroelectronics NV's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.02.


STMicroelectronics NV  (OTCPK:STMEF) 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.

STMicroelectronics NV'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.

STMicroelectronics NV'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.


STMicroelectronics NV Days Inventory Related Terms


STMicroelectronics NV Days Inventory Historical Data

* Premium members only.

The historical data trend for STMicroelectronics NV'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.

STMicroelectronics NV Days Inventory Chart

STMicroelectronics NV Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 93.59 97.88 107.10 124.52 138.73

STMicroelectronics NV Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 158.11 155.89 138.08 133.26 140.41

STMEF vs NVDA, AVGO, MU: Days Inventory Comparison

For the Semiconductors subindustry, STMicroelectronics NV'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.


STMicroelectronics NV Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, STMicroelectronics NV's Days Inventory distribution charts can be found below:

* The bar in red indicates where STMicroelectronics NV's Days Inventory falls into.


STMEF
72GF Score
STMicroelectronics NV STMEF
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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STMicroelectronics NV Days Inventory Calculation

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

STMicroelectronics NV's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (2794 + 3136) / 2 ) / 7801*365
=2965 / 7801*365
=138.73

STMicroelectronics NV's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (3136 + 3173) / 2 ) / 2050*365 / 4
=3154.5 / 2050*365 / 4
=140.41

* 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 Days Inventory →
What does a Days Inventory of 140.41 mean?
STMicroelectronics NV (STMEF) has a Days Inventory of 140.41 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on STMicroelectronics NV and its competitors. This is 43% above median its historical median of 98.29. Over the past decade, STMicroelectronics NV's Days Inventory has ranged from 89.48 to 146.46. According to the industry distribution chart, STMicroelectronics NV ranks #620 out of 983 companies in the Semiconductors industry, placing it in the top 63.1%.
Is STMicroelectronics NV's Days Inventory too high?
STMicroelectronics NV's current Days Inventory of 140.41 is 43% above median its 10-year median of 98.29. Over the past 10 years, this metric has ranged from a low of 89.48 to a high of 146.46. The Semiconductors industry median Days Inventory is 111.84. STMicroelectronics NV's value of 140.41 is 25.5% above this industry median. Based on the distribution chart, STMicroelectronics NV ranks #620 out of 983 companies in the Semiconductors industry, which is below the industry midpoint. Overall, STMicroelectronics NV has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does STMicroelectronics NV's Days Inventory compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, STMicroelectronics NV ranks #620 out of 983 companies for Days Inventory. This places STMicroelectronics NV in the lower half of its industry. The industry median Days Inventory is 111.84. STMicroelectronics NV's value of 140.41 is 25.5% above this benchmark. Historically, STMicroelectronics NV's own Days Inventory has ranged from 89.48 to 146.46 over the past decade. While the company's 10-year median is 98.29 vs. the industry median of 111.84, STMicroelectronics NV 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 111.84, 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. STMicroelectronics NV's current Days Inventory of 140.41 is 25.5% 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 STMicroelectronics NV and its competitors. For the Semiconductors industry, the median Days Inventory is 111.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STMicroelectronics NV's current Days Inventory is 140.41, which is 43% above median its own 10-year median of 98.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STMicroelectronics NV stock overvalued right now?
Based on GuruFocus' analysis, STMicroelectronics NV (STMEF) is currently considered Significantly Overvalued. The stock's GF Value™ is $31.13, compared to a current price of $73.66 — trading 136.6% above its estimated fair value. The current Days Inventory is 140.41, which is 43% above median its 10-year median of 98.29 and 25.5% above the Semiconductors industry median of 111.84. STMicroelectronics NV's overall GF Score™ is 72/100 with 10 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 STMicroelectronics NV (STMEF), the current Days Inventory is 140.41 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 STMicroelectronics NV (STMEF) Overvalued in 2026?

Based on GuruFocus' analysis, STMicroelectronics NV stock appears to be overvalued. The current stock price of $73.66 is trading 136.6% above its estimated GF Value™ of $31.13. GuruFocus considers STMicroelectronics NV to be Significantly Overvalued.

Key valuation signals for STMEF:

  • Days Inventory: 140.41 (43% above median its 10-year median of 98.29)
  • GF Value™: $31.13 vs. price of $73.66 (136.6% above fair value)
  • GF Score™: 72/100 with 10 warning signs
  • Industry Position: 25.5% above the Semiconductors median (#620 of 983)

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


STMicroelectronics NV Business Description

Address 39, Chemin du Champ des Filles, Plan-Les-Ouates, Geneva, CHE, 1228
A merger between Italian firm SGS Microelettronica and the nonmilitary business of Thomson Semiconducteurs in France formed STMicroelectronics in 1987. STMicroelectronics is a leader in a variety of semiconductor products, including analog chips, discrete power semiconductors, microcontrollers, and sensors. It is an especially prominent chip supplier to the industrial and automotive industries.
72GF Score

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

$73.66
Price
$31.13
GF Value