VNDA (Vanda Pharmaceuticals) Days Inventory: 51.29 (As of Mar. 2026) — 209% Above Median


VNDA Vanda Pharmaceuticals Inc VNDA
74 GF Score
Price $6.04
GF Value $5.50
Valuation Fairly Valued
! 4 Warning Signs
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What is Vanda Pharmaceuticals Days Inventory?

Vanda Pharmaceuticals VNDA -1.14% 74 Days Inventory is 51.29 as of Mar. 2026, which is 209% above its 10-year median of 16.62. GuruFocus rates VNDA with a GF Score™ of 74/100 and a GF Value™ of $5.50 (Fairly Valued). The stock has 4 warning signs investors should review. Among 638 Biotechnology companies, Vanda Pharmaceuticals ranks better than 84.64% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Vanda Pharmaceuticals's Average Total Inventories for the three months ended in Mar. 2026 was $1.8 Mil. Vanda Pharmaceuticals's Cost of Goods Sold for the three months ended in Mar. 2026 was $3.2 Mil. Hence, Vanda Pharmaceuticals's Days Inventory for the three months ended in Mar. 2026 was 51.29.

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

VNDA' s Days Inventory Range Over the Past 10 Years
Min: 15.31   Med: 16.62   Max: 55.75
Current: 55.75

During the past 13 years, Vanda Pharmaceuticals's highest Days Inventory was 55.75. The lowest was 15.31. And the median was 16.62.

VNDA's Days Inventory is ranked better than
84.64% of 638 companies
in the Biotechnology industry
Industry Median: 183.875 vs VNDA: 55.75

Vanda Pharmaceuticals's Days Inventory increased from Mar. 2025 (47.28) to Mar. 2026 (51.29). It might indicate that Vanda Pharmaceuticals's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Vanda Pharmaceuticals's Inventory Turnover for the three months ended in Mar. 2026 was 1.78.

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. Vanda Pharmaceuticals's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.03.


Vanda Pharmaceuticals  (NAS:VNDA) 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.

Vanda Pharmaceuticals'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.

Vanda Pharmaceuticals'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.


Vanda Pharmaceuticals Days Inventory Related Terms


Vanda Pharmaceuticals Days Inventory Historical Data

* Premium members only.

The historical data trend for Vanda Pharmaceuticals'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.

Vanda Pharmaceuticals Days Inventory Chart

Vanda Pharmaceuticals 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 16.41 16.68 31.47 49.73 50.06

Vanda Pharmaceuticals 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 47.28 68.24 65.04 46.35 51.29

VNDA vs AVIR, OABI, TENX: Days Inventory Comparison

For the Biotechnology subindustry, Vanda Pharmaceuticals'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.


Vanda Pharmaceuticals Days Inventory vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Vanda Pharmaceuticals's Days Inventory distribution charts can be found below:

* The bar in red indicates where Vanda Pharmaceuticals's Days Inventory falls into.


VNDA
74GF Score
Vanda Pharmaceuticals Inc VNDA
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Vanda Pharmaceuticals Days Inventory Calculation

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

Vanda Pharmaceuticals'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
=( (1.726 + 1.852) / 2 ) / 13.044*365
=1.789 / 13.044*365
=50.06

Vanda Pharmaceuticals'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
=( (1.852 + 1.699) / 2 ) / 3.159*365 / 4
=1.7755 / 3.159*365 / 4
=51.29

* 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 51.29 mean?
Vanda Pharmaceuticals (VNDA) has a Days Inventory of 51.29 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Vanda Pharmaceuticals and its competitors. This is 209% above median its historical median of 16.62. Over the past decade, Vanda Pharmaceuticals' Days Inventory has ranged from 15.31 to 55.75. According to the industry distribution chart, Vanda Pharmaceuticals ranks #98 out of 638 companies in the Biotechnology industry, placing it in the top 15.4%.
Is Vanda Pharmaceuticals' Days Inventory too high?
Vanda Pharmaceuticals' current Days Inventory of 51.29 is 209% above median its 10-year median of 16.62. Over the past 10 years, this metric has ranged from a low of 15.31 to a high of 55.75. The Biotechnology industry median Days Inventory is 183.88. Vanda Pharmaceuticals' value of 51.29 is 72.1% below this industry median. Based on the distribution chart, Vanda Pharmaceuticals ranks #98 out of 638 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, Vanda Pharmaceuticals has a GF Score™ of 74/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Vanda Pharmaceuticals' Days Inventory compare to AVIR and OABI?
According to the Biotechnology industry distribution chart, Vanda Pharmaceuticals ranks #98 out of 638 companies for Days Inventory. This places Vanda Pharmaceuticals in the top 15% of its industry — outperforming the majority of peers. The industry median Days Inventory is 183.88. Vanda Pharmaceuticals' value of 51.29 is 72.1% below this benchmark. Historically, Vanda Pharmaceuticals' own Days Inventory has ranged from 15.31 to 55.75 over the past decade. While the company's 10-year median is 16.62 vs. the industry median of 183.88, Vanda Pharmaceuticals 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 183.88, based on 638 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. Vanda Pharmaceuticals's current Days Inventory of 51.29 is 72.1% 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 Vanda Pharmaceuticals and its competitors. For the Biotechnology industry, the median Days Inventory is 183.88 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Vanda Pharmaceuticals's current Days Inventory is 51.29, which is 209% above median its own 10-year median of 16.62. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vanda Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, Vanda Pharmaceuticals (VNDA) is currently considered Fairly Valued. The stock's GF Value™ is $5.50, compared to a current price of $6.04 — trading 9.8% above its estimated fair value. The current Days Inventory is 51.29, which is 209% above median its 10-year median of 16.62 and 72.1% below the Biotechnology industry median of 183.88. Vanda Pharmaceuticals' overall GF Score™ is 74/100 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 Vanda Pharmaceuticals (VNDA), the current Days Inventory is 51.29 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 Vanda Pharmaceuticals (VNDA) Overvalued in 2026?

Based on GuruFocus' analysis, Vanda Pharmaceuticals stock appears to be overvalued. The current stock price of $6.04 is trading 9.8% above its estimated GF Value™ of $5.50. GuruFocus considers Vanda Pharmaceuticals to be Fairly Valued.

Key valuation signals for VNDA:

  • Days Inventory: 51.29 (209% above median its 10-year median of 16.62)
  • GF Value™: $5.50 vs. price of $6.04 (9.8% above fair value)
  • GF Score™: 74/100 with 4 warning signs
  • Industry Position: 72.1% below the Biotechnology median (#98 of 638)

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


Vanda Pharmaceuticals Business Description

Other Exchanges 0LKB:UKVM4:Germany
Address 2200 Pennsylvania Avenue North West, Suite 300 E, Washington, DC, USA, 20037
Vanda Pharmaceuticals Inc is a biopharmaceutical company engaged in the development and commercialization of therapies to address high unmet medical needs and improve the lives of patients. Its commercial portfolio comprises three products; HETLIOZ for the treatment of Non-24-Hour Sleep-Wake Disorder (Non-24) & nighttime sleep disturbances in Smith-Magenis Syndrome (SMS); Fanapt for the treatment of schizophrenia; and PONVORY. Its other products include ASO Molecules, VQW-765, Tradipitant, and VTR-297. The maximum of revenue is derived from the Fanapt product sales. Geographically, the company sells its product predominantly in the United States, and also in Israel, Europe, and Canada.
74GF Score

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

$6.04
Price
$5.50
GF Value