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- GT Medical Technologies
GT Medical Technologies Funding, Investors & Competitors
GT Medical Technologies has raised $228M across 7 funding rounds, most recently a $100M Series E in June 2026.
Last GT Medical Technologies funding round
$100M
Series E · Jun 2026
Cumulative funding GT Medical Technologies raised
$228M
across 7 funding rounds
Key investors in GT Medical Technologies
MedTech Venture Partners
MVM Life Science Partners
Gilde Healthcare
BlueStone Venture Partners
Arizona Tech Investors
Evidity Health Capital
FemHealth Ventures
Viking Global Investors
About GT Medical Technologies
GT Medical Technologies is a Tempe, Arizona-based medical device company focused on improving outcomes for patients with operable brain tumors. Its core product, GammaTile Therapy, is an FDA-cleared bioresorbable radiotherapy implant that delivers localized radiation directly into the surgical cavity after tumor removal, targeting residual cancer cells while sparing healthy tissue. The device is used to treat glioblastomas and brain metastases and has been used in the treatment of more than 1,900 patients.
Founded
2017
HQ
Website
Status
Privately held
Customer focus
B2B
Revenue model
Product sales
Sectors
GT Medical Technologies Funding History
GT Medical Technologies has raised a total of $228M across 7 funding rounds.
GT Medical Technologies' first fundraising round was a $3M seed round in January 2018. The most recent completed round was a $100M Series E in June 2026.
GT Medical Technologies funding rounds
| Date | Stage | Investors | Raised | Deal Summary |
|---|---|---|---|---|
| Jun 2026 | Series E | Viking Global Investors (lead); MVM Life Science Partners; FemHealth Ventures; MedTech Venture Partners; Gilde Healthcare; Evidity Health Capital | $100M | GT Medical Technologies, Inc. closed an oversubscribed $100 million Series E equity financing round on June 9, 2026, led by new investor Viking Global Investors with participation from key existing investors including Evidity Health Capital, MVM Partners, Gilde Healthcare, Medtech Venture Partners, and FemHealth Ventures. The capital infusion is strategically timed to advance commercial treatment for patients with operable brain tumors, leveraging recently announced superiority data from a randomized controlled trial that demonstrated the GammaTile radiotherapy implant is superior to standard of care. This funding follows the company's $53 million Series D round completed in July 2025, which was initially led by Evidity Health Capital with a $37 million first close. GT Medical Technologies is a medical device company dedicated to improving patient outcomes for brain tumor patients, with its core product GammaTile showing growing adoption rates and clinical superiority. The company previously raised $45 million in 2023 and $16 million in 2020 to support GammaTile development. |
| Jan 2025 | Series D | Evidity Health Capital (lead); MVM Life Science Partners; FemHealth Ventures; Warren Point Capital; MedTech Venture Partners; Gilde Healthcare; Accelmed | $53M | GT Medical Technologies, Inc. (GT MedTech), based in Tempe, Arizona, develops GammaTile Therapy, an FDA-cleared bioresorbable radiotherapy implant that delivers localized radiation directly into the surgical cavity after brain tumor removal to target residual cancer cells while sparing healthy tissue. The company focuses on improving outcomes for patients with operable brain tumors, including glioblastomas (GBMs) and brain metastases. The Series D financing round, announced with a $37 million first close on January 16, 2025, was led by Evidity Health Capital, with participation from new investor Accelmed Partners and existing investors MVM Partners, Gilde Healthcare, and Medtech Venture Partners. The final close, completed by July 15, 2025, reached an oversubscribed $53 million, adding $16 million from new investors FemHealth Ventures, Warren Point Capital, and an undisclosed strategic investor, plus increased commitments from prior participants. Funds support acceleration of the ROADS clinical study for GammaTile in newly diagnosed brain metastases, the GESTALT trial for GBMs, and expanded commercialization. At the first close, over 1,700 patients had been treated with GammaTile Therapy, with more than 700 enrolled in clinical studies; by the final close, these figures grew to over 1,900 patients treated and over 800 in studies. New board members included Adam Lessler, MD from Evidity Health Capital, and Camilo Rico from Accelmed Partners. GT MedTech anticipates completing enrollment in ROADS and GESTALT studies in Q3 2025. The round underscores investor confidence in GammaTile's adoption since 2019 and potential to transform brain tumor care standards. |
| Apr 2024 | Pre-seed | - | $200K | - |
| Mar 2023 | Series C | Gilde Healthcare (lead); MVM Life Science Partners; BlueStone Venture Partners; MedTech Venture Partners; Arizona Tech Investors | $45M | GT Medical Technologies, a medical device company focused on improving outcomes for brain tumor patients, raised $45 million in an oversubscribed Series C financing round on March 24, 2023, led by Gilde Healthcare with participation from existing investors MVM Partners, MedTech Venture Partners, and BlueStone Venture Partners. Funds were allocated to expand commercialization of GammaTile Therapy, an FDA-cleared Surgically Targeted Radiation Therapy (STaRT) that delivers localized radiation directly into the surgical cavity post-tumor removal to prevent regrowth while sparing healthy tissue. GammaTile enables immediate treatment at surgery, unlike traditional radiation delayed by weeks. The financing supported clinical studies to validate GammaTile's impact on overall survival, progression-free survival, and quality of life in patients with brain metastases, glioblastomas, and meningiomas. GT Medical Technologies' leadership highlighted the innovation's potential to transform brain tumor care. Investors expressed confidence in the company's commercial traction, with Gilde Healthcare's Geoff Pardo noting the focus on unmet needs and MVM Partners' Kyle Dempsey increasing their stake. |
| Nov 2020 | Series B | MVM Life Science Partners (lead); BlueStone Venture Partners; MedTech Venture Partners | $16M | - |
| Jan 2019 | Series A | MedTech Venture Partners (lead); BlueStone Venture Partners | $10M | GT Medical Technologies raised $10 million in a Series A funding round on January 31, 2019, from BlueStone Venture Partners and MedTech Venture Partners, with MedTech Venture Partners as the lead investor. The company develops GammaTile, an FDA-cleared bioresorbable radiotherapy implant for treating operable brain tumors such as high-grade gliomas, brain metastases, and meningiomas. |
| Jan 2018 | Seed | Arizona Tech Investors; Desert Angels | $3M | - |
Who has invested in GT Medical Technologies?
11 investors have backed GT Medical Technologies across its funding rounds, including MedTech Venture Partners, MVM Life Science Partners, Gilde Healthcare, BlueStone Venture Partners, Arizona Tech Investors and Evidity Health Capital.
Lead investors include Viking Global Investors, Evidity Health Capital, Gilde Healthcare, MVM Life Science Partners and MedTech Venture Partners.
GT Medical Technologies Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 5 | Lead | Jan 2019 | ||
| 4 | Lead | Nov 2020 | ||
| 3 | Participant | Jan 2019 | ||
| 3 | Lead | Mar 2023 | ||
| 2 | Participant | Jan 2025 | ||
| 2 | Lead | Jan 2025 | ||
| 2 | Participant | Jan 2018 | ||
| 1 | Participant | Jan 2025 | ||
| 1 | Participant | Jan 2025 | ||
This data is available for Pro users. Sign up to see all 11 GT Medical Technologies investors. Start Free Trial | ||||
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 TrialAcquisitions by GT Medical Technologies
GT Medical Technologies has acquired 2 companies to date.
Last acquisition by GT Medical Technologies was on December 12th 2023. GT Medical Technologies acquired Cesium-131 for undisclosed valuation.
Latest Acquisitions by GT Medical Technologies
| Description | - | IsoRay is a medical technology company developing personalized brachytherapy isotopes for treating various cancers, including hard-to-treat types, with a focus on cost-effective radiation solutions. |
| HQ Country | - | |
| HQ City | - | Seattle, WA |
| Deal Date | 12 Dec 2023 | 12 Dec 2023 |
| Valuation | undisclosed | undisclosed |
| EV/Revenue | ||
| EV/EBITDA | ||
This data is available for Pro users. Sign up to see all GT Medical Technologies acquisitions and their M&A valuation multiples. Start Free Trial | ||
GT Medical Technologies Competitors
GT Medical Technologies 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 | - |
GT Medical Technologies Public Comps
GT Medical Technologies 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 GT Medical Technologies competitors and their valuation data. Start Free Trial | ||||||||
Common questions about GT Medical Technologies
| When was GT Medical Technologies founded? | GT Medical Technologies was founded in 2017. |
| Where is GT Medical Technologies headquartered? | GT Medical Technologies is headquartered in United States. |
| Is GT Medical Technologies publicly listed? | No, GT Medical Technologies is a private, VC-backed company. |
| How much funding has GT Medical Technologies raised? | GT Medical Technologies has raised $228M across 7 funding rounds. |
| What was GT Medical Technologies' last funding round? | GT Medical Technologies' last funding round was a $100M Series E in June 2026, led by Viking Global Investors. |
| Who are GT Medical Technologies' investors? | GT Medical Technologies' investors include MedTech Venture Partners, MVM Life Science Partners, BlueStone Venture Partners, Gilde Healthcare, FemHealth Ventures, Evidity Health Capital, Arizona Tech Investors, Warren Point Capital, Accelmed, Viking Global Investors and 1 other. |
| Which companies are comparable to GT Medical Technologies? | Companies comparable to GT Medical Technologies include Johnson & Johnson, Roche, Thermo Fisher Scientific, Danaher, Biosplice Therapeutics and Neuralink. |
| How many companies has GT Medical Technologies acquired? | GT Medical Technologies has acquired 2 companies, including Cesium-131 and IsoRay. |
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