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- MicroTransponder
MicroTransponder Funding, Investors & Competitors
MicroTransponder has raised $162M across 6 funding rounds, most recently a $65M Series F in March 2025.
Last MicroTransponder funding round
$65M
Series F · Mar 2025
Cumulative funding MicroTransponder raised
$162M
across 6 funding rounds
Key investors in MicroTransponder
Green Park & Golf Ventures
U.S. Venture Partners
OUP (Osage University Partners)
The Vertical Group
Action Potential Venture Capital
UT Horizon Fund
Exceller Hunt Ventures
Gilde Healthcare
About MicroTransponder
MicroTransponder is a Dallas-headquartered medical device firm specializing in vagus nerve stimulation for neurological recovery. Its Vivistim Paired VNS System, FDA-cleared in 2021, improves upper limb function in ischemic stroke patients six months post-event when paired with rehab therapy. Clinical trials involved over 100 participants across U.S. sites. MicroTransponder expanded to Europe with CE mark in 2023.
Founded
2007
HQ
Website
Status
Privately held
Customer focus
B2B
Revenue model
Product sales
Sectors
MicroTransponder Funding History
MicroTransponder has raised a total of $162M across 6 funding rounds.
MicroTransponder's first fundraising round was a $3M seed round in March 2013. The most recent completed round was a $65M Series F in March 2025.
MicroTransponder funding rounds
| Date | Stage | Investors | Raised | Deal Summary |
|---|---|---|---|---|
| Mar 2025 | Series F | U.S. Venture Partners (lead); Action Potential Venture Capital; Green Park & Golf Ventures; Gilde Healthcare; The Vertical Group; Exceller Hunt Ventures; Longitude Capital; OUP (Osage University Partners) | $65M | MicroTransponder, an Austin, Texas-based medical device company, develops neuroscience solutions to restore sensory and motor function for neurological conditions, particularly chronic stroke survivors. Its FDA-approved Vivistim Paired VNS System is an implantable neurostimulator that delivers electrical pulses to the vagus nerve during therapy sessions, promoting neuroplasticity and improving upper limb function, with real-world data showing 2-3 times better arm function gains compared to therapy alone. On March 12, 2025, MicroTransponder raised $65 million in an oversubscribed Series F funding round led by U.S. Venture Partners, with participation from existing investors Osage University Partners, Action Potential Venture Capital, GPG Ventures (also referred to as Green Park & Golf Ventures), The Vertical Group, and Exceller Hunt Ventures, plus new investors Gilde Healthcare and Longitude Capital. The proceeds are earmarked for expanding commercial operations, R&D efforts, doubling the commercial team, and boosting adoption of Vivistim in stroke recovery programs across U.S. hospitals. The company has achieved significant market penetration, with programs implemented in 20% of Joint Commission Comprehensive Stroke Centers and 50% of Becker's 2024 100 Great Neuro and Spine Programs. Vivistim, approved by the FDA in 2021 for ischemic stroke patients with upper extremity deficits, supports both in-clinic and at-home therapy sessions. Real-world outcomes presented at the 2025 International Stroke Conference further validated its efficacy in six-week protocols. Previously, MicroTransponder raised $73 million in a Series E round in late 2022. The firm operates mostly remotely and partners with leading healthcare providers to establish Vivistim as the standard of care in chronic stroke rehabilitation, aiming to improve quality of life for survivors. |
| Jun 2022 | Series E | U.S. Venture Partners (lead); Action Potential Venture Capital; Adam Okun; Green Park & Golf Ventures; The Vertical Group; Exceller Hunt Ventures; OUP (Osage University Partners) | $73M | MicroTransponder is a medical device company based in Austin, Texas, developing neurostimulation technology platforms to treat neurological diseases, including tinnitus and post-stroke motor rehabilitation. The company's lead product is the FDA-approved Vivistim Paired VNS System designed to aid stroke recovery and other neurological conditions. MicroTransponder raised $53 million in Series E funding in June 2022, led by U.S. Venture Partners alongside investors including Action Potential Venture Capital, Exceller Hunt Ventures, Osage University Partners, The Vertical Group, and GPG Ventures. The company has raised over $190 million cumulatively across 16 funding rounds through March 2025. In its most recent Series F round on March 12, 2025, MicroTransponder secured an additional $65 million at a pre-money valuation of $160 million, with new investors Gilde Healthcare and Longitude Capital joining existing backers. The company has demonstrated consistent investor confidence and is positioned as one of the fastest-growing stroke companies transforming the stroke continuum of care. |
| Nov 2017 | Series A | - | $12M | MicroTransponder raised $11.6 million in a Series C funding round on November 17, 2017, to support product development, launch preparations, and the progression of pivotal clinical trials. An additional $5.53 million in Series C funding was secured to continue advancing development activities, clinical studies, and therapeutic validation. The company develops implantable neurostimulation devices, including the Vivistim Paired VNS System for stroke recovery and other neurological disorders. |
| Dec 2015 | Series C | Green Park & Golf Ventures (lead); UT Horizon Fund | $6M | - |
| Sep 2013 | Seed | Green Park & Golf Ventures (lead); UT Horizon Fund | $3M | MicroTransponder is a developer of implantable neurostimulation devices designed to treat neurological disorders including stroke recovery and tinnitus management. The company received FDA premarket approval in 2021 for its Vivistim paired VNS system, recognized as the first stroke rehabilitation option using vagus nerve stimulation. By June 2022, MicroTransponder had raised $93 million in total funding across multiple rounds, including a Series E round of $53 million that exceeded the company's previous fundraising milestones. In March 2025, the company raised $65 million in Series F funding led by U.S. Venture Partners at a pre-money valuation of $160 million, with participation from Action Potential Venture Capital, The Vertical Group, Gilde Healthcare, Longitude Capital, Green Park & Golf Ventures, Osage University Partners, and Exceller Hunt Family Office. |
| Mar 2013 | Seed | Green Park & Golf Ventures | $3M | The company develops an implantable neurostimulation device called the Vivistim paired VNS system for stroke rehabilitation and other neurological disorders, which received FDA premarket approval in 2021. |
Who has invested in MicroTransponder?
10 investors have backed MicroTransponder across its funding rounds, including Green Park & Golf Ventures, U.S. Venture Partners, OUP (Osage University Partners), The Vertical Group, Action Potential Venture Capital and UT Horizon Fund.
Lead investors include U.S. Venture Partners and Green Park & Golf Ventures.
MicroTransponder Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 5 | Lead | Mar 2013 | ||
| 2 | Participant | Sep 2013 | ||
| 2 | Participant | Jun 2022 | ||
| 2 | Participant | Jun 2022 | ||
| 2 | Lead | Jun 2022 | ||
| 2 | Participant | Jun 2022 | ||
| 2 | Participant | Jun 2022 | ||
| 1 | Participant | Jun 2022 | ||
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Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
Sign up to see data on 350K+ funding rounds and disclosed revenue and EBITDA valuation multiples, from seed, through growth stage, to pre-IPO.
Start Free TrialMicroTransponder Competitors
MicroTransponder competitors include listed companies like Johnson & Johnson, Roche, Thermo Fisher Scientific and Danaher, and private ones like Biosplice Therapeutics and Neuralink.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Publicly listed | $94B | $40B | $651B | 6.8x | ||
| Publicly listed | $77B | $26B | $351B | 4.9x | ||
| Publicly listed | $45B | $11B | $243B | 6.0x | ||
| Publicly listed | $25B | $6.9B | $149B | 6.6x | ||
| Private | - | - | $12B | - | ||
| Private | - | - | $9B | - |
MicroTransponder Public Comps
MicroTransponder is still privately-owned, but its public comps include Samsung, Johnson & Johnson, Roche, Thermo Fisher Scientific, Siemens, Abbott, Danaher, Intuitive Surgical, Medtronic and Stryker.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $243B | $67B | 4.4x | 2.4x | 15.8x | 4.4x | |||
| $94B | $40B | 7.2x | 6.8x | 17.0x | 18.3x | |||
| $77B | $26B | 5.0x | 4.9x | 14.6x | 12.4x | |||
| $45B | $11B | 6.3x | 6.0x | 26.8x | 23.6x | |||
| $91B | $15B | 3.0x | 2.9x | 18.1x | 15.7x | |||
| $44B | $12B | 4.6x | 4.2x | 17.4x | 15.8x | |||
| $25B | $6.9B | 7.0x | 6.6x | 24.8x | 21.1x | |||
| $10B | $3.6B | 13.0x | 11.6x | 36.6x | 25.7x | |||
This data is available for Pro users. Sign up to see all MicroTransponder competitors and their valuation data. Start Free Trial | ||||||||
Common questions about MicroTransponder
| When was MicroTransponder founded? | MicroTransponder was founded in 2007. |
| Where is MicroTransponder headquartered? | MicroTransponder is headquartered in Dallas, TX, United States. |
| Is MicroTransponder publicly listed? | No, MicroTransponder is a private, VC-backed company. |
| How much funding has MicroTransponder raised? | MicroTransponder has raised $162M across 6 funding rounds. |
| What was MicroTransponder's last funding round? | MicroTransponder's last funding round was a $65M Series F in March 2025, led by U.S. Venture Partners. |
| Who are MicroTransponder's investors? | MicroTransponder's investors include Green Park & Golf Ventures, UT Horizon Fund, Action Potential Venture Capital, The Vertical Group, U.S. Venture Partners, Exceller Hunt Ventures, OUP (Osage University Partners), Adam Okun, Gilde Healthcare and Longitude Capital. |
| Which companies are comparable to MicroTransponder? | Companies comparable to MicroTransponder include Johnson & Johnson, Roche, Thermo Fisher Scientific, Danaher, Biosplice Therapeutics and Neuralink. |
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