Lumentum HoldingsMIL:1LITE -6.71%43 Days Inventory is 120.88 as of Mar. 2026, which is 64% above its 10-year median of 73.70. GuruFocus rates MIL:1LITE with a GF Score™ of 43/100 and a GF Value™ of €80.08 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,415 Hardware companies, Lumentum Holdings ranks worse than 64.84% on this metric.
The historical rank and industry rank for Lumentum Holdings's Days Inventory or its related term are showing as below:
MIL:1LITE'
s Days Inventory Range Over the Past 10 Years
Min: 58.42 Med: 73.7 Max: 133.75
Current: 123.77
During the past 13 years, Lumentum Holdings's highest Days Inventory was 133.75. The lowest was 58.42. And the median was 73.70.
MIL:1LITE's Days Inventory is ranked worse than 64.84% of 2415
companies
in the Hardware industry
Industry Median: 94.29
vs MIL:1LITE: 123.77
Lumentum Holdings's Days Inventory
declined
from Mar. 2025 (126.35) to Mar. 2026 (120.88).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Lumentum Holdings's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.75.
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.
Lumentum Holdings's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.74.
Lumentum Holdings (MIL:1LITE) 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.
Lumentum Holdings'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.
Lumentum Holdings'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.
Lumentum Holdings Days Inventory Related Terms
Lumentum Holdings Days Inventory Historical Data
* Premium members only.
The historical data trend for Lumentum Holdings'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.
MIL:1LITE vs MSI, HPE, CIEN: Days Inventory Comparison
For the Communication Equipment subindustry, Lumentum Holdings'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.
Lumentum Holdings Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Lumentum Holdings's Days Inventory distribution charts can be found below:
* The bar in red indicates where Lumentum Holdings'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.
Lumentum Holdings (MIL:1LITE) has a Days Inventory of 120.88 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Lumentum Holdings and its competitors. This is 64% above median its historical median of 73.70. Over the past decade, Lumentum Holdings' Days Inventory has ranged from 58.42 to 133.75. According to the industry distribution chart, Lumentum Holdings ranks #1566 out of 2415 companies in the Hardware industry, placing it in the top 64.8%.
Is Lumentum Holdings' Days Inventory too high?
Lumentum Holdings' current Days Inventory of 120.88 is 64% above median its 10-year median of 73.70. Over the past 10 years, this metric has ranged from a low of 58.42 to a high of 133.75. The Hardware industry median Days Inventory is 94.29. Lumentum Holdings' value of 120.88 is 28.2% above this industry median. Based on the distribution chart, Lumentum Holdings ranks #1566 out of 2415 companies in the Hardware industry, which is below the industry midpoint. Overall, Lumentum Holdings has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lumentum Holdings' Days Inventory compare to MSI and HPE?
According to the Hardware industry distribution chart, Lumentum Holdings ranks #1566 out of 2415 companies for Days Inventory. This places Lumentum Holdings in the lower half of its industry. The industry median Days Inventory is 94.29. Lumentum Holdings' value of 120.88 is 28.2% above this benchmark. Historically, Lumentum Holdings' own Days Inventory has ranged from 58.42 to 133.75 over the past decade. While the company's 10-year median is 73.70 vs. the industry median of 94.29, Lumentum Holdings 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 Hardware company?
The median Days Inventory among Hardware companies is 94.29, based on 2,415 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. Lumentum Holdings's current Days Inventory of 120.88 is 28.2% 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 Lumentum Holdings and its competitors. For the Hardware industry, the median Days Inventory is 94.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lumentum Holdings's current Days Inventory is 120.88, which is 64% above median its own 10-year median of 73.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lumentum Holdings stock overvalued right now?
Based on GuruFocus' analysis, Lumentum Holdings (MIL:1LITE) is currently considered Significantly Overvalued. The stock's GF Value™ is €80.08, compared to a current price of €691.20 — trading 763.1% above its estimated fair value. The current Days Inventory is 120.88, which is 64% above median its 10-year median of 73.70 and 28.2% above the Hardware industry median of 94.29. Lumentum Holdings' overall GF Score™ is 43/100 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 Lumentum Holdings (MIL:1LITE), the current Days Inventory is 120.88 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 Lumentum Holdings (MIL:1LITE) Overvalued in 2026?
Based on GuruFocus' analysis, Lumentum Holdings stock appears to be overvalued.
The current stock price of €691.20 is trading 763.1% above its estimated GF Value™ of €80.08.
GuruFocus considers Lumentum Holdings to be Significantly Overvalued.
Key valuation signals for MIL:1LITE:
Days Inventory: 120.88 (64% above median its 10-year median of 73.70)
GF Value™: €80.08 vs. price of €691.20 (763.1% above fair value)
Industry Position: 28.2% above the Hardware median (#1566 of 2415)
No single metric tells the full story. See the MIL:1LITE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Lumentum Holdings Inc is a California-based technology firm. The company provides two types of optical and photonic products: optical components that are used in telecommunications networking equipment, and commercial lasers for manufacturing, inspection, and life-science lab uses. Its segments are Optical Communications and Commercial Lasers. The firm is also expanding into new optical applications, such as 3-D sensing laser diode for consumer electronics. It generates maximum revenue from the OpComms segment. The OpComms segment products include a wide range of components, modules, and subsystems to support customers including carrier networks for access (local), metro (intracity), long-haul, and submarine (undersea) applications.
43GF Score
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