# Impulse Dynamics funding rounds and investors

As of 14 Oct 2026, Impulse Dynamics has raised $158M across 1 verified round on record; latest: $158 million funding round led by Braidwell and Sands Capital, announced 10 Dec 2025.

Impulse Dynamics sells the Optimizer® Smart System, a medical device delivering cardiac contractility modulation therapy for patients with heart failure.

Website: https://impulse-dynamics.com  
Headquarters: Marlton, New Jersey  
Page: https://fireround.dev/companies/impulse-dynamics.com

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2025-12-10 | Funding round | $158 million | Braidwell, Sands Capital | Alger, Perceptive Ventures, Redmile Group | [massdevice.com](https://www.massdevice.com/impulse-dynamics-raises-158m-heart-failure) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.