---
title: "Tandem Diabetes Care, Inc. (TNDM.US) — Company Overview"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/TNDM.US/overview.md"
symbol: "TNDM.US"
name: "Tandem Diabetes Care, Inc."
parent: "https://longbridge.com/en/quote/TNDM.US.md"
datetime: "2026-04-15T13:54:51.789Z"
locales:
  - [en](https://longbridge.com/en/quote/TNDM.US/overview.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/TNDM.US/overview.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/TNDM.US/overview.md)
---

# Tandem Diabetes Care, Inc. (TNDM.US) — Company Overview

## Basic Information

| Item | Detail |
|------|--------|
| Industry | Health Care Equipment |
| Exchange | US Market |
| Address | 12400 High Bluff Drive, San Diego, California, United States |
| Website | [www.tandemdiabetes.com](https://www.tandemdiabetes.com) |

## Company Profile

Tandem Diabetes Care, Inc. designs, develops, and commercializes technology solutions for people living with diabetes in the United States and internationally. It’s flagship products are the t:slim X2 insulin delivery system; and Tandem Mobi insulin pump, an automated insulin delivery system. The company also sells single-use products, including cartridges for storing and delivering insulin, and infusion sets that connect the insulin pump to the user’s body.

## Key Executives

| Name | Title |
|------|-------|
| John F. Sheridan | President, CEO & Director |
| Rebecca B. Robertson | Independent Chairwoman of the Board |
| Leigh A. Vosseller | Executive VP, CFO & Treasurer |
| Shannon M. Hansen | Executive VP, Chief Legal, Privacy & Compliance Officer and Secretary |
| Elizabeth Anne Gasser | Executive VP and Chief Strategy & Product Officer |
| Mark Novara | Executive VP & Chief Commercial Officer |
| Dick P. Allen | Chair Emeritus |
| Christopher J. Twomey | Independent Director |
| Kathleen McGroddy-Goetz | Independent Director |

## Major Shareholders

| Name | Ratio | Report Date |
|------|-------|-------------|
| BlackRock, Inc. | 16.28% | 2025-12-31 |
| The Vanguard Group, Inc. | 10.72% | 2025-12-31 |
| Sessa Capital IM, L.P. | 7.30% | 2025-12-31 |
| ArrowMark Colorado Holdings, LLC | 4.22% | 2025-12-31 |
| GW&K Investment Management, LLC | 3.91% | 2025-12-31 |
| State Street Global Advisors, Inc. | 3.86% | 2025-12-31 |
| Citadel Advisors LLC | 3.05% | 2025-12-31 |
| Paradice Investment Management Pty Ltd. | 3.03% | 2025-12-31 |
| Jennison Associates LLC | 2.95% | 2025-12-31 |
| Morgan Stanley | 2.74% | 2025-12-31 |

## Business Breakdown

| Segment | Revenue | Ratio |
|---------|---------|-------|
| Insulin Pumps And Supplies | 1014736000 | 100% |

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## Geographic Segments

| Region | Revenue | Ratio |
|--------|---------|-------|
| United States | 706936000 | 69.67% |
| International | 307800000 | 30.33% |


---

> **Disclaimer: This article is for reference only and does not constitute any investment advice.**