Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Mustang BioMBIO -0.21%30 Days Inventory is 0.00 as of Mar. 2026. GuruFocus rates MBIO with a GF Score™ of 30/100. The stock has 2 warning signs investors should review. Among 638 Biotechnology companies, Mustang Bio ranks worse than 156739.66% on this metric.
The historical rank and industry rank for Mustang Bio's Days Inventory or its related term are showing as below:
MBIO's Days Inventory is not ranked *
in the Biotechnology industry.
Industry Median: 183.195 * Ranked among companies with meaningful Days Inventory only.
Mustang Bio's Days Inventory
stayed the same
from Mar. 2025 (0.00) to Mar. 2026 (0.00).
Inventory Turnover measures how fast the company turns over its inventory within a year.
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.
Mustang Bio (NAS:MBIO) 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.
Mustang Bio'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.
Mustang Bio'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.
Mustang Bio Days Inventory Related Terms
Mustang Bio Days Inventory Historical Data
* Premium members only.
The historical data trend for Mustang Bio'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.
MBIO vs ELAB, DRMA, PCSA: Days Inventory Comparison
For the Biotechnology subindustry, Mustang Bio'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.
Mustang Bio Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Mustang Bio's Days Inventory distribution charts can be found below:
* The bar in red indicates where Mustang Bio'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.
Mustang Bio (MBIO) has a Days Inventory of 0.00 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Mustang Bio and its competitors. According to the industry distribution chart, Mustang Bio ranks #999999 out of 638 companies in the Biotechnology industry.
Is Mustang Bio's Days Inventory too high?
Mustang Bio's current Days Inventory is 0.00. Based on the distribution chart, Mustang Bio ranks #999999 out of 638 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Mustang Bio has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does Mustang Bio's Days Inventory compare to ELAB and DRMA?
According to the Biotechnology industry distribution chart, Mustang Bio ranks #999999 out of 638 companies for Days Inventory. This places Mustang Bio in the lower half of its industry. The industry median Days Inventory is 183.20. 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 183.20, 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. 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 Mustang Bio and its competitors. For the Biotechnology industry, the median Days Inventory is 183.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mustang Bio's current Days Inventory is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mustang Bio stock overvalued right now?
Mustang Bio (MBIO) has a current Days Inventory of 0.00. The current Days Inventory is 0.00. Mustang Bio's overall GF Score™ is 30/100 with 2 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 Mustang Bio (MBIO), the current Days Inventory is 0.00 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.
Mustang Bio Inc is a clinical-stage biopharmaceutical company focused on translating today's medical breakthroughs into potential cures for difficult-to-treat cancers. It acquires rights to these technologies by licensing or otherwise acquiring an ownership interest in the technologies, funding their research and development, and eventually either out-licensing or bringing the technologies to market. Its pipeline is currently focused on the core areas of gene therapies for rare genetic disorders, chimeric antigen receptor (CAR) engineered T cell (CAR T) therapies for hematologic malignancies, and CAR T therapies for solid tumors.
30GF Score
Get the complete analysis for MBIO
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MBIO has been successfully added to your 
