MLSS (Milestone Scientific) Days Inventory: 322.41 (As of Jun. 2026) — Near Median

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MLSS Milestone Scientific Inc MLSS
37 GF Score
Price $0.50
GF Value $0.60
Valuation Modestly Undervalued
! 3 Warning Signs
View Full Analysis

What is Milestone Scientific Days Inventory?

Milestone Scientific MLSS -10.47% 37 Days Inventory is 322.41 as of Jun. 2026, which is 7% above its 10-year median of 302.11. GuruFocus rates MLSS with a GF Score™ of 37/100 and a GF Value™ of $0.60 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 786 Medical Devices & Instruments companies, Milestone Scientific ranks worse than 89.69% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Milestone Scientific's Average Total Inventories for the three months ended in Jun. 2026 was $3.29 Mil. Milestone Scientific's Cost of Goods Sold for the three months ended in Jun. 2026 was $0.93 Mil. Hence, Milestone Scientific's Days Inventory for the three months ended in Jun. 2026 was 322.41.

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

MLSS' s Days Inventory Range Over the Past 10 Years
Min: 155.81   Med: 302.11   Max: 533.06
Current: 478.64

During the past 13 years, Milestone Scientific's highest Days Inventory was 533.06. The lowest was 155.81. And the median was 302.11.

MLSS's Days Inventory is ranked worse than
89.69% of 786 companies
in the Medical Devices & Instruments industry
Industry Median: 176.385 vs MLSS: 478.64

Milestone Scientific's Days Inventory declined from Jun. 2025 (521.35) to Jun. 2026 (322.41).

Inventory Turnover measures how fast the company turns over its inventory within a year. Milestone Scientific's Inventory Turnover for the three months ended in Jun. 2026 was 0.28.

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. Milestone Scientific's Inventory-to-Revenue for the three months ended in Jun. 2026 was 1.16.


Milestone Scientific  (AMEX:MLSS) 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.

Milestone Scientific's Inventory Turnover for the three months ended in Jun. 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.

Milestone Scientific's Inventory to Revenue for the three months ended in Jun. 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.


Milestone Scientific Days Inventory Related Terms


Milestone Scientific Days Inventory Historical Data

* Premium members only.

The historical data trend for Milestone Scientific'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.

Milestone Scientific Days Inventory Chart

Milestone Scientific 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 181.08 155.81 266.47 528.04 533.06

Milestone Scientific Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 521.35 509.17 649.01 554.98 322.41

MLSS vs NEPH, HBIO, POCI: Days Inventory Comparison

For the Medical Instruments & Supplies subindustry, Milestone Scientific'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.


Milestone Scientific Days Inventory vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Milestone Scientific's Days Inventory distribution charts can be found below:

* The bar in red indicates where Milestone Scientific's Days Inventory falls into.


MLSS
37GF Score
Milestone Scientific Inc MLSS
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Milestone Scientific Days Inventory Calculation

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

Milestone Scientific'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
=( (3.713 + 3.782) / 2 ) / 2.566*365
=3.7475 / 2.566*365
=533.06

Milestone Scientific's Days Inventory for the quarter that ended in Jun. 2026 is calculated as:

Days Inventory (Q: Jun. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Mar. 2026 ) + Total Inventories (Q: Jun. 2026 )) / count ) / Cost of Goods Sold (Q: Jun. 2026 )*Days in Period
=( (3.492 + 3.087) / 2 ) / 0.931*365 / 4
=3.2895 / 0.931*365 / 4
=322.41

* 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 322.41 mean?
Milestone Scientific (MLSS) has a Days Inventory of 322.41 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Milestone Scientific and its competitors. This is near median its historical median of 302.11. Over the past decade, Milestone Scientific's Days Inventory has ranged from 155.81 to 533.06. According to the industry distribution chart, Milestone Scientific ranks #705 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 89.7%.
Is Milestone Scientific's Days Inventory too high?
Milestone Scientific's current Days Inventory of 322.41 is near median its 10-year median of 302.11. Over the past 10 years, this metric has ranged from a low of 155.81 to a high of 533.06. The Medical Devices & Instruments industry median Days Inventory is 176.39. Milestone Scientific's value of 322.41 is 82.8% above this industry median. Based on the distribution chart, Milestone Scientific ranks #705 out of 786 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Milestone Scientific has a GF Score™ of 37/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Milestone Scientific's Days Inventory compare to NEPH and HBIO?
According to the Medical Devices & Instruments industry distribution chart, Milestone Scientific ranks #705 out of 786 companies for Days Inventory. This places Milestone Scientific in the lower half of its industry. The industry median Days Inventory is 176.39. Milestone Scientific's value of 322.41 is 82.8% above this benchmark. Historically, Milestone Scientific's own Days Inventory has ranged from 155.81 to 533.06 over the past decade. While the company's 10-year median is 302.11 vs. the industry median of 176.39, Milestone Scientific 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 Medical Devices & Instruments company?
The median Days Inventory among Medical Devices & Instruments companies is 176.39, 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. Milestone Scientific's current Days Inventory of 322.41 is 82.8% 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 Milestone Scientific and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 176.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Milestone Scientific's current Days Inventory is 322.41, which is near median its own 10-year median of 302.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Milestone Scientific stock overvalued right now?
Based on GuruFocus' analysis, Milestone Scientific (MLSS) is currently considered Modestly Undervalued. The stock's GF Value™ is $0.60, compared to a current price of $0.50 — trading 17.5% below its estimated fair value. The current Days Inventory is 322.41, which is near median its 10-year median of 302.11 and 82.8% above the Medical Devices & Instruments industry median of 176.39. Milestone Scientific's overall GF Score™ is 37/100 with 3 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 Milestone Scientific (MLSS), the current Days Inventory is 322.41 as of Jun. 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 Milestone Scientific (MLSS) Overvalued in 2026?

Based on GuruFocus' analysis, Milestone Scientific stock appears to be undervalued. The current stock price of $0.50 is trading 17.5% below its estimated GF Value™ of $0.60. GuruFocus considers Milestone Scientific to be Modestly Undervalued.

Key valuation signals for MLSS:

  • Days Inventory: 322.41 (near median its 10-year median of 302.11)
  • GF Value™: $0.60 vs. price of $0.50 (17.5% below fair value)
  • GF Score™: 37/100 with 3 warning signs
  • Industry Position: 82.8% above the Medical Devices & Instruments median (#705 of 786)

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


Milestone Scientific Business Description

Address 425 Eagle Rock Avenue, Roseland, NJ, USA, 07068
Milestone Scientific Inc develops and commercializes proprietary computer-controlled drug delivery systems designed to enhance the safety, precision, and patient experience associated with subcutaneous injections and fluid aspiration procedures. The company's core technology platform, Dynamic Pressure Sensing (DPS) Technology, controls flow rate and measures pressure at the needle tip in real time. DPS Technology is incorporated into both the company's dental and medical products and supports clinical applications, including local anesthesia delivery, epidural space identification in regional anesthesia procedures, and intra-articular joint injections. It operates in two segments: Dental, which markets and sells its dental products, and Medical, markets and sells its medical products.
37GF Score

Get the complete analysis for MLSS

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

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