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Nanostim
Miniaturized, retrievable, leadless cardiac pacemaker system
About Nanostim
For decades, pacemakers were a marvel of medical technology, but they had a persistent vulnerability: the leads. These wires, which connect the device to the heart, could fracture or cause complications. A company called Nanostim, led by CEO Drew Hoffman, envisioned a radical solution: a pacemaker so small it could be implanted directly into the heart, no leads required. This wasn't just an incremental improvement; it was a fundamental rethinking of the technology. The result was a device less than 10% the size of a conventional pacemaker, delivered via a minimally invasive catheter procedure. This eliminated the need for a surgical pocket in the chest and removed the risks associated with leads. In 2011, medical device giant St. Jude Medical recognized the game-changing potential, making an initial investment and securing an exclusive option to acquire the startup. By October 2013, Nanostim had achieved a critical milestone: CE mark approval in Europe. On the very same day, St. Jude Medical exercised its option, acquiring Nanostim in a significant deal. The acquisition cost $123.5 million upfront, with up to an additional $65 million based on future milestones. The move combined Nanostim’s pioneering technology with St. Jude's established commercialization power, aiming to revolutionize cardiac rhythm management for patients worldwide.
Source: Dealroom company dataAt a glance
- Status
- Acquired
- Founded
- 2007
- Headquarters
- Sunnyvale, United States
- Employees
- 5,897
- Open positions
- None listed
- Dealroom signal
- 61.3/100
- Industry
- Health
- Sub-industry
- Medical Devices
- Sector
- Health Tech & Medtech, Biotechnology, medical implants, Surgery, DT and LS, science-based
- Technology
- Deep Tech
- Client focus
- b2c
Latest news
Press, funding announcements and product moves mentioning Nanostim.
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ACQUISITION✓Exit | Oct 2013 | $124M | $124M | St. Jude Medical | — |
| EARLY VC✓Equity / VC | May 2013 | $9.5M | $38M | InterWest Partners · Emergent Medical Partners | — |
Growth signals
Latest recorded traffic for Nanostim is 0 monthly website visits, down 100% over the last three months. Nanostim's team declined 11.8% over the past year.
Similar companies
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A2 investors entered at this stage
- EPEmergent Medical Partners
InterWest Partners
Other known investors1 additional known investor
St. Jude Medical
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Nanostim on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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