Tearsheet

Tandem Diabetes Care (TNDM)


Market Price (4/6/2026): $18.62 | Market Cap: $1.3 Bil
Sector: Health Care | Industry: Health Care Equipment

Tandem Diabetes Care (TNDM)


Market Price (4/6/2026): $18.62
Market Cap: $1.3 Bil
Sector: Health Care
Industry: Health Care Equipment

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Megatrend and thematic drivers
Megatrends include Aging Population & Chronic Disease, and Digital Health & Telemedicine. Themes include Diabetes Management, Remote Patient Monitoring, Show more.

Weak multi-year price returns
2Y Excs Rtn is -73%, 3Y Excs Rtn is -120%

Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 16%

Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -167 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -16%

Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -11%

Valuation getting more expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is 53%

Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -20%

Key risks
TNDM key risks include [1] eroding U.S. Show more.

0 Megatrend and thematic drivers
Megatrends include Aging Population & Chronic Disease, and Digital Health & Telemedicine. Themes include Diabetes Management, Remote Patient Monitoring, Show more.
1 Weak multi-year price returns
2Y Excs Rtn is -73%, 3Y Excs Rtn is -120%
2 Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 16%
3 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -167 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -16%
4 Not cash flow generative
FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -11%
5 Valuation getting more expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is 53%
6 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -20%
7 Key risks
TNDM key risks include [1] eroding U.S. Show more.

Valuation, Metrics & Events

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Tandem Diabetes Care (TNDM) stock has lost about 15% since 12/31/2025 because of the following key factors:

1. Lower-than-expected 2026 sales guidance.

Tandem Diabetes Care issued full-year 2026 sales guidance ranging from $1.065 billion to $1.085 billion, which notably fell short of the analyst consensus estimate of $1.126 billion. This cautious outlook was a key factor following the company's Q4 2025 earnings report on February 19, 2026.

2. Transitional headwinds from the new pay-as-you-go pharmacy model.

The company's strategic shift to a pay-as-you-go pharmacy model in the U.S. is projected to create transitional headwinds, impacting 2026 sales by an estimated $70 million to $80 million. This business model change, while aimed at long-term profitability, contributes to near-term revenue uncertainty.

Show more

Stock Movement Drivers

Fundamental Drivers

The -15.3% change in TNDM stock from 12/31/2025 to 4/5/2026 was primarily driven by a -15.5% change in the company's P/S Multiple.
(LTM values as of)123120254052026Change
Stock Price ($)21.9818.61-15.3%
Change Contribution By: 
Total Revenues ($ Mil)1,0071,0150.8%
P/S Multiple1.51.2-15.5%
Shares Outstanding (Mil)6868-0.5%
Cumulative Contribution-15.3%

LTM = Last Twelve Months as of date shown

Market Drivers

12/31/2025 to 4/5/2026
ReturnCorrelation
TNDM-15.3% 
Market (SPY)-5.4%19.4%
Sector (XLV)-5.2%14.4%

Fundamental Drivers

The 53.3% change in TNDM stock from 9/30/2025 to 4/5/2026 was primarily driven by a 53.5% change in the company's P/S Multiple.
(LTM values as of)93020254052026Change
Stock Price ($)12.1418.6153.3%
Change Contribution By: 
Total Revenues ($ Mil)1,0021,0151.3%
P/S Multiple0.81.253.5%
Shares Outstanding (Mil)6768-1.4%
Cumulative Contribution53.3%

LTM = Last Twelve Months as of date shown

Market Drivers

9/30/2025 to 4/5/2026
ReturnCorrelation
TNDM53.3% 
Market (SPY)-2.9%19.7%
Sector (XLV)5.9%22.9%

Fundamental Drivers

The -2.9% change in TNDM stock from 3/31/2025 to 4/5/2026 was primarily driven by a -7.2% change in the company's P/S Multiple.
(LTM values as of)33120254052026Change
Stock Price ($)19.1618.61-2.9%
Change Contribution By: 
Total Revenues ($ Mil)9401,0157.9%
P/S Multiple1.31.2-7.2%
Shares Outstanding (Mil)6668-3.1%
Cumulative Contribution-2.9%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2025 to 4/5/2026
ReturnCorrelation
TNDM-2.9% 
Market (SPY)16.3%26.0%
Sector (XLV)1.9%27.5%

Fundamental Drivers

The -54.2% change in TNDM stock from 3/31/2023 to 4/5/2026 was primarily driven by a -61.8% change in the company's P/S Multiple.
(LTM values as of)33120234052026Change
Stock Price ($)40.6118.61-54.2%
Change Contribution By: 
Total Revenues ($ Mil)8011,01526.6%
P/S Multiple3.31.2-61.8%
Shares Outstanding (Mil)6468-5.3%
Cumulative Contribution-54.2%

LTM = Last Twelve Months as of date shown

Market Drivers

3/31/2023 to 4/5/2026
ReturnCorrelation
TNDM-54.2% 
Market (SPY)63.3%25.6%
Sector (XLV)18.7%23.0%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
TNDM Return57%-70%-34%22%-39%-14%-80%
Peers Return27%-3%11%4%14%-14%40%
S&P 500 Return27%-19%24%23%16%-4%75%

Monthly Win Rates [3]
TNDM Win Rate67%42%33%50%42%25% 
Peers Win Rate57%52%47%52%55%30% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
TNDM Max Drawdown-20%-76%-68%-25%-72%-16% 
Peers Max Drawdown-9%-30%-26%-17%-12%-16% 
S&P 500 Max Drawdown-1%-25%-1%-2%-15%-7% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: PODD, MDT, DXCM, ABT, LLY. See TNDM Returns vs. Peers.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 4/2/2026 (YTD)

How Low Can It Go

Unique KeyEventTNDMS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-90.7%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven972.9%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-47.4%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven90.1%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven54 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-91.9%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven1127.7%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven262 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-43.8%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven78.1%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven122 days1,480 days

Compare to PODD, MDT, DXCM, ABT, LLY

In The Past

Tandem Diabetes Care's stock fell -90.7% during the 2022 Inflation Shock from a high on 12/28/2021. A -90.7% loss requires a 972.9% gain to breakeven.

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About Tandem Diabetes Care (TNDM)

Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin cartridge, and an infusion set. It also provides t:slim X2 insulin with Basal-IQ and control IQ technology; t:slim X2 with G5 Integration; and Tandem Device Updater, a tool that allows users to update their pump's software. In addition, the company offers t:connect, a web-based data management application, which provides a visual way to display diabetes therapy management data from the pump, continuous glucose monitoring, and supported blood glucose meters for users, their caregivers, and their healthcare providers; and Sugarmate, a mobile app for people with diabetes who use insulin. It has development and commercialization agreements with Dexcom, Inc. and Abbott Laboratories. The company was formerly known as Phluid Inc. and changed its name to Tandem Diabetes Care, Inc. in January 2008. Tandem Diabetes Care, Inc. was incorporated in 2006 and is headquartered in San Diego, California.

AI Analysis | Feedback

The Apple of insulin pumps

Like Dexcom or Abbott, but providing automated insulin delivery systems instead of glucose monitoring

The Tesla of automated insulin delivery

AI Analysis | Feedback

  • t:slim X2 insulin delivery system: A flagship insulin pump platform that includes the pump, disposable insulin cartridge, and infusion set for people with insulin-dependent diabetes.
  • t:slim X2 insulin with Basal-IQ and Control-IQ technology: Enhanced versions of the t:slim X2 pump featuring predictive low-glucose suspend and advanced hybrid closed-loop insulin delivery.
  • t:slim X2 with G5 Integration: A version of the t:slim X2 insulin pump designed for integration with the Dexcom G5 continuous glucose monitoring system.
  • Tandem Device Updater: A software tool that enables users to update the software of their Tandem insulin pump.
  • t:connect: A web-based data management application that visually displays diabetes therapy management data from the pump, continuous glucose monitoring, and supported blood glucose meters.
  • Sugarmate: A mobile application designed for people with diabetes who use insulin.

AI Analysis | Feedback

Tandem Diabetes Care (TNDM) primarily sells its products to individuals. The major categories of customers it serves are:

  1. Individuals with insulin-dependent diabetes: These are the primary end-users of Tandem's core products, such as the t:slim X2 insulin delivery system, pumps, and associated technologies like Basal-IQ and Control-IQ.
  2. Caregivers of individuals with insulin-dependent diabetes: This category includes parents, guardians, or family members who manage or monitor the diabetes care of a user, often utilizing tools like the t:connect web-based data management application and the Sugarmate mobile app.
  3. Healthcare Providers: While not direct purchasers of the devices for their own use, healthcare professionals (e.g., endocrinologists, diabetes educators) are crucial customers as they prescribe, recommend, and manage therapy for individuals using Tandem's products. They also utilize the t:connect application to review patient data and optimize treatment plans.

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  • Dexcom, Inc. (DXCM)
  • Abbott Laboratories (ABT)

AI Analysis | Feedback

John Sheridan, President and Chief Executive Officer John Sheridan has served as President and Chief Executive Officer of Tandem Diabetes Care since March 2019 and as a member of its Board of Directors since June 2019. Previously, he was Executive Vice President and Chief Operating Officer from April 2013. His prior experience includes serving as Chief Operating Officer of Rapiscan Systems, Inc., Executive Vice President of Research and Development and Operations for Volcano Corporation, Executive Vice President of Operations at CardioNet, Inc. (now BioTelemetry, Inc.), and Vice President of Operations at Digirad Corporation. Mr. Sheridan holds a B.S. in Chemistry from the University of West Florida and an M.B.A. from Boston University. Leigh Vosseller, Executive Vice President and Chief Financial Officer Leigh Vosseller was promoted to Executive Vice President and Chief Financial Officer of Tandem Diabetes Care, effective January 1, 2018, having joined the company in September 2013 as Vice President of Finance. Before joining Tandem, Ms. Vosseller served as Vice President and CFO at Genoptix Inc. (a Novartis company) starting in 2011, after initially joining that company in 2008. Prior to that, she held a senior finance position at Biosite Incorporated, where she contributed to developing the financial and administrative infrastructure for international expansion. Biosite Incorporated was later acquired by Inverness Medical Innovations. Ms. Vosseller is a Certified Public Accountant (inactive) and holds a bachelor's degree in accounting from Missouri State University. Rick Carpenter, Chief Technical Officer Rick Carpenter has served as Tandem Diabetes Care's Chief Technical Officer since November 2021. With over 30 years of engineering technology leadership experience, he previously served as the Senior Vice President of Engineering at Inseego Corporation from February 2020, where he led the worldwide engineering team. Elizabeth Gasser, Executive Vice President and Chief Strategy and Product Officer Elizabeth Gasser has served as Executive Vice President and Chief Strategy and Product Officer since November 2023. She was Executive Vice President and Chief Strategy Officer from June 2021 to November 2023, and Executive Vice President, Strategy and Corporate Development from January 2020 to June 2021. In her role, Ms. Gasser is responsible for the company's strategy, corporate development, product management, behavioral sciences, and competitive intelligence functions. She holds a B.A. and an M.A. in Economics from the University of Cambridge. Shannon Hansen, Executive Vice President, Chief Legal, Privacy and Compliance Officer and Secretary Shannon Hansen has served as Executive Vice President, Chief Legal, Privacy & Compliance Officer and Secretary since April 2024, and as Chief Legal, Privacy & Compliance Officer and Secretary since August 2023. She joined Tandem Diabetes Care in January 2022 as Senior Vice President, General Counsel, Chief Compliance Officer and Secretary, overseeing the company's legal, compliance, and privacy functions.

AI Analysis | Feedback

The key risks to Tandem Diabetes Care (TNDM) include:

Intense Market Competition

Tandem Diabetes Care operates in a highly competitive insulin pump market, facing pressure from established players like Insulet (Omnipod) and Medtronic, as well as new entrants. This competitive landscape has led to market share erosion for Tandem in the U.S. and can impact product pricing and reimbursement. The company's ability to differentiate its products and maintain strong relationships with healthcare providers and patients is crucial to navigate this environment.

Product Reliability, Regulatory Hurdles, and Recalls

As a medical device company, Tandem Diabetes Care is subject to a stringent and evolving regulatory environment, particularly concerning FDA approvals. The company has experienced significant product reliability issues, including a Class I recall for its Tandem Mobi insulin pump due to a software malfunction that could interfere with insulin delivery and cause hyperglycemia. Additionally, a medical device correction was issued for certain t:slim X2 insulin pumps due to a wiring issue that could cause them to malfunction and stop delivering insulin, linked to 700 adverse events and 59 injuries. Such incidents underscore the continuous operational necessity of maintaining compliance, ensuring product reliability, and the potential impact on patient trust and brand reputation.

Impact of Technological Disruption and Alternative Therapies

The diabetes technology landscape is constantly evolving, presenting a risk of technological disruption where rapid advancements or the emergence of alternative treatment modalities could render Tandem's current offerings obsolete or reduce demand for insulin pumps. Specifically, the uptake of GLP-1 drugs is identified as a competitive pressure that could shift clinical approaches to diabetes management. Furthermore, the company faces an ongoing challenge in achieving sustained profitability, having incurred significant operating losses, which could limit its ability to fund ongoing operations and invest in critical research and development to stay ahead of these technological shifts.

AI Analysis | Feedback

The clear emerging threat for Tandem Diabetes Care is **Insulet's Omnipod 5 Automated Insulin Delivery (AID) System.**

Insulet's Omnipod 5, which integrates with continuous glucose monitors (CGMs) like Dexcom G6, represents a significant challenge to Tandem's t:slim X2 system. While both offer automated insulin delivery, Omnipod 5's key differentiator is its **tubeless patch pump design**. This form factor provides users with greater freedom, discretion, and a reduced burden compared to Tandem's tubed pump system. As Omnipod 5 gains market share and adoption, particularly among new pump users and those seeking alternatives to traditional tubed pumps, it directly threatens Tandem's core product by offering a fundamentally different and often preferred user experience within the same automated insulin delivery market.

AI Analysis | Feedback

Tandem Diabetes Care, Inc. (TNDM) operates primarily in the insulin pump market, a key segment of the broader diabetes device market, addressing the needs of individuals with insulin-dependent diabetes, including both Type 1 and a growing segment of Type 2 diabetes patients.

Addressable Markets:

  • Global Insulin Pump Market: The global insulin pump market was valued at approximately USD 7.05 billion in 2025 and is projected to reach USD 22.45 billion by 2034, exhibiting a compound annual growth rate (CAGR) of 13.41% during the forecast period (2026-2034). Another estimate places the global insulin pump market at USD 6.05 billion in 2024, poised to grow to USD 12.32 billion by 2033 with a CAGR of 8.22% from 2026–2033.
  • U.S. Insulin Pump Market: In the United States, the insulin pump market was valued at approximately USD 2.69 billion in 2025 and is expected to reach USD 3.73 billion by 2034, growing at a CAGR of 3.67% from 2026-2034. The U.S. accounted for approximately 40.8% of the global insulin pump market in 2024.
  • Global Type 1 Diabetes Market: This market, which encompasses treatments and devices for Type 1 diabetes, was estimated to be valued at USD 16.97 billion in 2025 and is expected to reach USD 26.22 billion by 2032, with a CAGR of 6.4% from 2025 to 2032. Another report estimates the global Type 1 diabetes market size at USD 37.60 billion in 2025, predicted to increase to approximately USD 79.14 billion by 2035.
  • Expanded Addressable Market for Type 2 Diabetes (U.S. and Global): Tandem Diabetes Care has significantly expanded its addressable market to include adults with Type 2 diabetes who require insulin, a strategic move reinforced by the FDA clearance of its Control-IQ+ technology for this population in late 2024. This expansion has "effectively more than doubled the company's addressable market". Tandem aims to increase its market share in the Type 2 diabetes segment from a current 5-10% to 20-25% during 2025. There are more than 2 million insulin-dependent Type 2 diabetes patients in the U.S., representing a potential for tens of thousands of additional insulin pump sales.
  • Global Diabetes Device Market (Broader Market): The overall global diabetes device market is projected to grow significantly from an estimated USD 45.1 billion in 2024 to USD 118.6 billion by 2032, at a CAGR of 11.4%.

AI Analysis | Feedback

Here are the expected drivers of future revenue growth for Tandem Diabetes Care (TNDM) over the next 2-3 years:

Drivers of Future Revenue Growth for Tandem Diabetes Care (TNDM)

  1. New Product Launches and Integrations: The commercialization and scaling of new products, particularly the Tandem Mobi insulin delivery system, is a significant growth driver. The Mobi system is anticipated to be a key driver of long-term margin improvement. Additionally, the ongoing integration of Tandem's pumps, like the t:slim X2 and Mobi, with advanced continuous glucose monitoring (CGM) sensors such as Dexcom G7 and Abbott FreeStyle Libre 2 Plus/3 Plus, is expected to enhance product adoption and expand the market for their automated insulin delivery (AID) systems.
  2. International Expansion and Direct Sales Model: Tandem Diabetes Care is actively expanding its international presence by transitioning to direct operations in key European markets, including the UK, Switzerland, and Austria, starting in early 2026. This strategic shift is designed to strengthen the company's financial position by accelerating sales growth and driving margin expansion. International sales have demonstrated robust growth, with a 35% year-over-year increase in Q1 2025.
  3. Growth in Customer Base and Renewals: The company anticipates continued revenue growth from its expanding installed base of customers worldwide. Strong customer retention and a high capture rate from warranty expirations are contributing to double-digit year-over-year growth in recurring supply and renewal revenue streams.
  4. Expansion into the Type 2 Diabetes Market: Tandem views the Type 2 diabetes population as a meaningful longer-term growth opportunity, with the potential to double its addressable market in the U.S.. The company is expanding the promotion of its Control-IQ+ technology for Type 2 diabetes following positive feedback from initial pilots.
  5. Pharmacy Channel Expansion and New Reimbursement Models: Tandem is focused on advancing a multichannel reimbursement strategy, including expanding access through the pharmacy channel. The shift to a "pay-as-you-go" pharmacy structure is expected to lower upfront costs for customers, enhance market share, and foster customer loyalty, thereby generating recurring revenue streams, despite potential near-term revenue recognition headwinds.

AI Analysis | Feedback

Share Repurchases

No significant share repurchase programs or dollar amounts spent on repurchases by Tandem Diabetes Care were prominently disclosed in the last 3-5 years.

Share Issuance

  • In February 2026, Tandem Diabetes Care priced a private offering of $265 million in aggregate principal amount of 0.00% convertible senior notes due 2032.
  • The offering was upsized from a previously announced $200 million, with an option granted to initial purchasers for an additional $35 million in notes.
  • Net proceeds from this offering are estimated to be approximately $256.7 million, or about $290.7 million if the initial purchasers exercise their option in full, intended for general corporate purposes including potential acquisitions and capital expenditures.

Outbound Investments

  • Tandem Diabetes has acquired four companies, including Advanced Microfluidics and Amf Medica.
  • The company has also made one investment in CeQur.

Capital Expenditures

  • Tandem Diabetes Care anticipates using a portion of the net proceeds from its February 2026 convertible senior notes offering for capital expenditure, among other general corporate purposes.
  • The company's principal sources of cash historically have included product sales, equity offerings, and debt financing, which have been used to fund material cash requirements including capital expenditures.
  • For the full year 2025, Tandem reported positive free cash flow of $3.1 million, which is defined as cash provided by operating activities less capital expenditures.

Better Bets vs. Tandem Diabetes Care (TNDM)

Latest Trefis Analyses

Trade Ideas

Select ideas related to TNDM.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
PGNY_3312026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03312026PGNYProgynyDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
0.0%0.0%0.0%
CNC_3272026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03272026CNCCenteneDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
2.3%2.3%-0.6%
OSCR_3272026_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG03272026OSCROscar HealthDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
3.0%3.0%-2.6%
WAT_3202026_Monopoly_xInd_xCD_Getting_Cheaper03202026WATWatersMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-0.4%-0.4%-3.3%
GILD_3202026_Quality_Momentum_RoomToRun_10%03202026GILDGilead SciencesQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
1.6%1.6%-2.2%

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

TNDMPODDMDTDXCMABTLLYMedian
NameTandem D.Insulet MedtronicDexCom Abbott L.Eli Lilly 
Mkt Price18.61204.3186.6362.22102.87935.5894.75
Mkt Cap1.314.4111.124.1178.9838.167.6
Rev LTM1,0152,70835,4834,66244,32865,17920,072
Op Inc LTM-1674746,6119128,05329,6963,761
FCF LTM-1083505,4101,0777,3955,9643,244
FCF 3Y Avg-772285,2697406,2681,075908
CFO LTM-105697,2851,4419,56616,8134,363
CFO 3Y Avg-63827,0161,0608,4629,9574,038

Growth & Margins

TNDMPODDMDTDXCMABTLLYMedian
NameTandem D.Insulet MedtronicDexCom Abbott L.Eli Lilly 
Rev Chg LTM7.9%30.7%6.9%15.6%5.7%44.7%11.8%
Rev Chg 3Y Avg9.0%27.6%4.9%17.1%0.7%32.1%13.1%
Rev Chg Q2.7%31.2%8.7%13.1%4.4%42.6%10.9%
QoQ Delta Rev Chg LTM0.8%7.4%2.1%3.2%1.1%9.7%2.7%
Op Mgn LTM-16.5%17.5%18.6%19.6%18.2%45.6%18.4%
Op Mgn 3Y Avg-19.4%15.1%18.5%17.0%16.9%37.9%16.9%
QoQ Delta Op Mgn LTM1.0%0.2%-0.7%2.3%0.6%1.1%0.8%
CFO/Rev LTM-1.0%21.0%20.5%30.9%21.6%25.8%21.3%
CFO/Rev 3Y Avg-0.9%16.8%20.8%25.4%20.0%19.3%19.6%
FCF/Rev LTM-10.7%12.9%15.2%23.1%16.7%9.2%14.1%
FCF/Rev 3Y Avg-9.1%9.8%15.7%17.6%14.8%0.3%12.3%

Valuation

TNDMPODDMDTDXCMABTLLYMedian
NameTandem D.Insulet MedtronicDexCom Abbott L.Eli Lilly 
Mkt Cap1.314.4111.124.1178.9838.167.6
P/S1.25.33.15.24.012.94.6
P/EBIT-6.536.017.721.720.028.220.9
P/E-6.258.224.128.827.440.628.1
P/CFO-130.225.315.316.718.749.817.7
Total Yield-16.2%1.7%7.4%3.5%5.9%3.1%3.3%
Dividend Yield0.0%0.0%3.3%0.0%2.3%0.6%0.3%
FCF Yield 3Y Avg-4.6%1.2%4.7%2.4%3.1%0.0%1.8%
D/E0.40.10.30.10.10.10.1
Net D/E0.10.00.2-0.00.00.00.0

Returns

TNDMPODDMDTDXCMABTLLYMedian
NameTandem D.Insulet MedtronicDexCom Abbott L.Eli Lilly 
1M Rtn-12.0%-13.8%-3.9%-8.6%-6.1%-5.5%-7.4%
3M Rtn-13.6%-27.8%-9.1%-6.5%-16.7%-13.3%-13.4%
6M Rtn26.5%-33.9%-9.9%-7.2%-22.8%11.7%-8.6%
12M Rtn10.2%-16.7%7.8%4.0%-15.8%27.7%5.9%
3Y Rtn-55.1%-35.7%18.9%-44.7%4.0%159.7%-15.9%
1M Excs Rtn-16.3%-11.7%-4.5%-10.5%-4.9%-2.6%-7.7%
3M Excs Rtn-11.5%-24.3%-5.2%-2.4%-13.6%-9.0%-10.2%
6M Excs Rtn51.9%-31.3%-5.3%-3.9%-20.3%15.6%-4.6%
12M Excs Rtn-17.5%-39.2%-15.8%-24.4%-37.3%0.2%-21.0%
3Y Excs Rtn-119.5%-100.1%-45.7%-111.1%-53.4%117.5%-76.8%

Comparison Analyses

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Supplies and other476407373  
Pump434366432416315
Net sales recognized (deferred) for Tandem Choice program30-25-4  
Pump rebate  0  
Cartridges   8755
Infusion sets   197128
Other   21
Total940748801703499


Price Behavior

Price Behavior
Market Price$18.61 
Market Cap ($ Bil)1.3 
First Trading Date02/23/2007 
Distance from 52W High-34.1% 
   50 Days200 Days
DMA Price$21.64$17.81
DMA Trendupup
Distance from DMA-14.0%4.5%
 3M1YR
Volatility90.3%76.5%
Downside Capture1.291.09
Upside Capture210.69143.70
Correlation (SPY)17.9%24.5%
TNDM Betas & Captures as of 3/31/2026

 1M2M3M6M1Y3Y
Beta1.451.641.331.271.041.22
Up Beta-3.05-0.111.44-0.270.811.03
Down Beta3.402.440.831.540.891.05
Up Capture165%312%210%336%173%162%
Bmk +ve Days7162765139424
Stock +ve Days8172561117355
Down Capture142%74%116%62%124%110%
Bmk -ve Days12233358110323
Stock -ve Days14253865134391

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with TNDM
TNDM-0.6%76.3%0.30-
Sector ETF (XLV)3.8%17.6%0.0627.4%
Equity (SPY)16.1%19.0%0.6726.0%
Gold (GLD)50.5%28.0%1.464.4%
Commodities (DBC)16.2%17.7%0.778.9%
Real Estate (VNQ)3.6%16.5%0.0430.6%
Bitcoin (BTCUSD)-21.5%44.0%-0.425.7%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with TNDM
TNDM-25.8%65.9%-0.17-
Sector ETF (XLV)6.3%14.5%0.2531.6%
Equity (SPY)11.6%17.0%0.5334.8%
Gold (GLD)21.7%17.8%1.007.9%
Commodities (DBC)11.6%18.8%0.513.8%
Real Estate (VNQ)3.3%18.8%0.0831.1%
Bitcoin (BTCUSD)3.9%56.5%0.2914.5%

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Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with TNDM
TNDM-13.5%77.4%0.18-
Sector ETF (XLV)9.9%16.5%0.4927.6%
Equity (SPY)14.0%17.9%0.6728.7%
Gold (GLD)14.0%15.9%0.734.0%
Commodities (DBC)8.4%17.6%0.408.5%
Real Estate (VNQ)5.2%20.7%0.2221.7%
Bitcoin (BTCUSD)66.2%66.8%1.068.2%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date3132026
Short Interest: Shares Quantity10.5 Mil
Short Interest: % Change Since 22820268.0%
Average Daily Volume1.8 Mil
Days-to-Cover Short Interest6
Basic Shares Quantity68.0 Mil
Short % of Basic Shares15.5%

Earnings Returns History

Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
2/19/202632.7%39.3%34.0%
11/6/202522.0%31.5%53.3%
8/6/2025-19.9%-22.7%-12.6%
2/26/2025-35.2%-43.1%-41.0%
11/6/2024-2.7%-13.3%-12.1%
8/1/202418.3%4.7%23.5%
5/2/202422.3%20.5%42.2%
2/21/202410.9%17.9%41.3%
...
SUMMARY STATS   
# Positive657
# Negative9108
Median Positive20.2%20.5%34.0%
Median Negative-15.0%-18.1%-24.8%
Max Positive32.7%39.3%53.3%
Max Negative-35.2%-43.1%-41.0%

SEC Filings

Expand for More
Report DateFiling DateFiling
12/31/202502/19/202610-K
09/30/202511/06/202510-Q
06/30/202508/06/202510-Q
03/31/202504/30/202510-Q
12/31/202402/26/202510-K
09/30/202411/06/202410-Q
06/30/202408/01/202410-Q
03/31/202405/02/202410-Q
12/31/202302/21/202410-K
09/30/202311/01/202310-Q
06/30/202308/03/202310-Q
03/31/202305/03/202310-Q
12/31/202202/22/202310-K
09/30/202211/02/202210-Q
06/30/202208/03/202210-Q
03/31/202205/04/202210-Q

Recent Forward Guidance [BETA]

Latest: Q4 2025 Earnings Reported 2/19/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 Revenue1.06 Bil1.07 Bil1.08 Bil7.5% RaisedGuidance: 1.00 Bil for 2025
2026 United States Sales730.00 Mil737.50 Mil745.00 Mil5.4% RaisedGuidance: 700.00 Mil for 2025
2026 International Sales335.00 Mil337.50 Mil340.00 Mil12.5% RaisedGuidance: 300.00 Mil for 2025
2026 Gross Margin56.0%56.5%57.0%5.6%3.0%RaisedGuidance: 53.5% for 2025
2026 Adjusted EBITDA Margin5.0%5.5%6.0% 10.5%RaisedGuidance: -5.0% for 2025

Prior: Q3 2025 Earnings Reported 11/6/2025

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2025 Revenue 1.00 Bil 0 AffirmedGuidance: 1.00 Bil for 2025
2025 U.S. Sales 700.00 Mil 0 AffirmedGuidance: 700.00 Mil for 2025
2025 International Sales 300.00 Mil 0 AffirmedGuidance: 300.00 Mil for 2025
2025 Gross Margin53.0%53.5%54.0%00AffirmedGuidance: 53.5% for 2025
2025 Adjusted EBITDA Margin -5.0% 00AffirmedGuidance: -5.0% for 2025
2025 Non-cash charges 115.00 Mil 0 AffirmedGuidance: 115.00 Mil for 2025

Insider Activity

Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Sheridan, John FPRESIDENT & CEODirectBuy811202510.2310,000102,3181,087,917Form
2Vosseller, LeighEVP & CHIEF FINANCIAL OFFICERLeigh A. Vosseller TrustBuy811202510.8913,720149,404278,553Form
3Kyrillos, Jean-ClaudeEVP & Chief Operating OfficerDirectBuy311202518.1210,538190,966190,966Form
4Novara, Mark DavidEVP & CHIEF COMMERCIAL OFFICERDirectSell309202622.81246820,453Form
5Novara, Mark DavidEVP & CHIEF COMMERCIAL OFFICERDirectSell318202623.051874,310867,971Form