iRhythm HoldingsIRTC +2.52%75 Days Inventory is 35.72 as of Mar. 2026, which is 42% above its 10-year median of 25.16. GuruFocus rates IRTC with a GF Score™ of 75/100 and a GF Value™ of $162.93 (Modestly Undervalued). Among 787 Medical Devices & Instruments companies, iRhythm Holdings ranks better than 97.08% on this metric.
The historical rank and industry rank for iRhythm Holdings's Days Inventory or its related term are showing as below:
IRTC'
s Days Inventory Range Over the Past 10 Years
Min: 17.62 Med: 25.16 Max: 35.89
Current: 31.23
During the past 12 years, iRhythm Holdings's highest Days Inventory was 35.89. The lowest was 17.62. And the median was 25.16.
IRTC's Days Inventory is ranked better than 97.08% of 787
companies
in the Medical Devices & Instruments industry
Industry Median: 179.73
vs IRTC: 31.23
iRhythm Holdings's Days Inventory
increased
from Mar. 2025 (26.17) to Mar. 2026 (35.72).
It might indicate that iRhythm Holdings's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
iRhythm Holdings's Inventory Turnover for the
three
months ended in Mar. 2026 was 2.55.
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.
iRhythm Holdings's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.11.
iRhythm Holdings (NAS:IRTC) 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.
iRhythm 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.
iRhythm 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.
iRhythm Holdings Days Inventory Related Terms
iRhythm Holdings Days Inventory Historical Data
* Premium members only.
The historical data trend for iRhythm 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.
IRTC vs LIVN, HAE, ITGR: Days Inventory Comparison
For the Medical Devices subindustry, iRhythm 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.
iRhythm Holdings Days Inventory vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, iRhythm Holdings's Days Inventory distribution charts can be found below:
* The bar in red indicates where iRhythm 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.
iRhythm Holdings (IRTC) has a Days Inventory of 35.72 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on iRhythm Holdings and its competitors. This is 42% above median its historical median of 25.16. Over the past decade, iRhythm Holdings' Days Inventory has ranged from 17.62 to 35.89. According to the industry distribution chart, iRhythm Holdings ranks #23 out of 787 companies in the Medical Devices & Instruments industry, placing it in the top 2.9%.
Is iRhythm Holdings' Days Inventory too high?
iRhythm Holdings' current Days Inventory of 35.72 is 42% above median its 10-year median of 25.16. Over the past 10 years, this metric has ranged from a low of 17.62 to a high of 35.89. The Medical Devices & Instruments industry median Days Inventory is 179.73. iRhythm Holdings' value of 35.72 is 80.1% below this industry median. Based on the distribution chart, iRhythm Holdings ranks #23 out of 787 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, iRhythm Holdings has a GF Score™ of 75/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does iRhythm Holdings' Days Inventory compare to LIVN and HAE?
According to the Medical Devices & Instruments industry distribution chart, iRhythm Holdings ranks #23 out of 787 companies for Days Inventory. This places iRhythm Holdings in the top 3% of its industry — outperforming the majority of peers. The industry median Days Inventory is 179.73. iRhythm Holdings' value of 35.72 is 80.1% below this benchmark. Historically, iRhythm Holdings' own Days Inventory has ranged from 17.62 to 35.89 over the past decade. While the company's 10-year median is 25.16 vs. the industry median of 179.73, iRhythm Holdings 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 Medical Devices & Instruments company?
The median Days Inventory among Medical Devices & Instruments companies is 179.73, based on 787 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. iRhythm Holdings's current Days Inventory of 35.72 is 80.1% 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 iRhythm Holdings and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 179.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. iRhythm Holdings's current Days Inventory is 35.72, which is 42% above median its own 10-year median of 25.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is iRhythm Holdings stock overvalued right now?
Based on GuruFocus' analysis, iRhythm Holdings (IRTC) is currently considered Modestly Undervalued. The stock's GF Value™ is $162.93, compared to a current price of $118.58 — trading 27.2% below its estimated fair value. The current Days Inventory is 35.72, which is 42% above median its 10-year median of 25.16 and 80.1% below the Medical Devices & Instruments industry median of 179.73. iRhythm Holdings' overall GF Score™ is 75/100. 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 iRhythm Holdings (IRTC), the current Days Inventory is 35.72 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 iRhythm Holdings (IRTC) Overvalued in 2026?
Based on GuruFocus' analysis, iRhythm Holdings stock appears to be undervalued.
The current stock price of $118.58 is trading 27.2% below its estimated GF Value™ of $162.93.
GuruFocus considers iRhythm Holdings to be Modestly Undervalued.
Key valuation signals for IRTC:
Days Inventory: 35.72 (42% above median its 10-year median of 25.16)
GF Value™: $162.93 vs. price of $118.58 (27.2% below fair value)
Industry Position: 80.1% below the Medical Devices & Instruments median (#23 of 787)
No single metric tells the full story. See the IRTC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
iRhythm Holdings Inc is a digital healthcare company that creates trusted solutions that detect, predict, and prevent disease. Its principal business is the design, development, and commercialization of device-based technology to provide ambulatory cardiac monitoring services that it believes allow clinicians to diagnose certain arrhythmias quicker and with greater efficiency than other services that rely on traditional technology. Each Zio System combines an FDA-cleared and CE-marked, wire-free, patch-based, 14-day wearable biosensor that continuously records electrocardiogram (ECG) data with a proprietary, FDA-cleared, CE-marked cloud-based data analytic software to help physicians monitor patients and diagnose arrhythmias.
75GF Score
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