Last updated 2026-08-12
- Raised $367M PIPE led by Yozma Investment Co., Jul 2021
- Raised $36.9M PIPE led by Oramed Pharmaceuticals Inc., Apr 2025
- Raised $26M Series B led by OurCrowd, Jun 2020
Total raised
$478.9M
Last: B Round 2020-06
Stage
Mature
Founded
2016
Headcount
121
HQ
Jerusalem, Israel
Sector
Health Tech & Life Sciences
Website ↗Registrar ID: 515344539 (Alpha Tau Medical Ltd.)
About
Alpha Tau Medical is an Israeli medical device company focused on the research, development, and commercialization of its Diffusing Alpha-emitters Radiation Therapy (Alpha DaRT) for treating solid cancers. The technology, developed at Tel Aviv University, delivers a highly potent and conformal radiotherapy treatment using alpha-emitting atoms directly inserted into tumors. Alpha DaRT aims to destroy cancer cells while sparing surrounding healthy tissue, with applications across various cancer indications such as skin, head and neck, pancreatic, lung, prostate, and brain tumors.
Funding history · 5 rounds · $478.9M total
5 events/rounds · $478.9M Total Funding: $55.0M in Private Equity, $423.9M in Public Equity
Jun 2026
★ Tolmar InternationalTolmar
Apr 2025
★ Oramed Pharmaceuticals Inc.
Jul 2021
★ Yozma Investment Co.★ Healthcare Capital Corp.OurCrowdAlan PatricofMedison GroupRegah VenturesSir Ronald CohenGrand Decade Developments
Jun 2020
Sep 2018
★ Gary Leibler★ Shavit CapitalOurCrowdAleph VCSignalFireOWL CapitalOurCrowd.comAlan PatricofCiti VenturesBlue CollectiveMedison VenturesSir Ronald CohenBattery VenturesCatapult CapitalHillsven CapitalPrimetime PartnersRecursive VenturesNorwest Venture PartnersTribeca Venture PartnersBdmi Bertelsmann Digital Media Investments
Headcount over time
121 employees (2026-09) · 1 point
Offices
Jerusalem, Israel · HQ / main office
Q&A
- What is Alpha Tau Medical's primary focus?
- Alpha Tau Medical is a clinical-stage oncology company developing Alpha DaRT, a novel alpha-radiation cancer therapy for solid tumors.
- When was Alpha Tau Medical founded?
- Alpha Tau Medical was founded in January 2016.
- Where is Alpha Tau Medical headquartered?
- Alpha Tau Medical is headquartered in Jerusalem, Israel.
- What is the employee count for Alpha Tau Medical?
- Alpha Tau Medical has 51–200 employees.
- What was the amount raised in Alpha Tau Medical's B Round in June 2020?
- In June 2020, Alpha Tau Medical raised $26,000,000 in a B Round, with participation from.
- What was the amount raised in Alpha Tau Medical's Public Offering in April 2023?
- In April 2023, Alpha Tau Medical raised $181,100,000 through a Public Offering.
- What was the amount raised in Alpha Tau Medical's Public Offering in April 2025?
- In April 2025, Alpha Tau Medical raised $36,848,400.02 through a Public Offering.
- What recent positive data did Alpha Tau Medical report?
- In July 2026, Alpha Tau Medical reported positive data for its Alpha DaRT® therapy in head and neck cancer.
- Who are the founders of Alpha Tau Medical?
- The founders of Alpha Tau Medical are Prof. Itzhak Kelson, Prof. Yona Keisari, and Uzi Sofer.
Team · 16
Uzi Sofer
Founder · CEO & Chairman
Itzhak Kelson
Founder · Inventor
Yona Keisari
Founder · Chief Scientific Officer & Member of Scientific Advisory board
Robert Den
Chief Medical Officer
Raphi Levy
Chief Financial Officer
Ronen Segal
Chief Technology Officer
Amnon Gat
Chief Operations Officer
David M. Milch
Independent Director
Michael Avruch
Director
Aron Popovtzer
Member of Scientific Advisory Board
Michael J. Zelefsky
Member of Scientific Advisory Board
Alan Adler
Independent Director
Ruth Alon
Independent Director
Stephen M. Hahn
Member of Scientific Advisory Board
Maya Racine-Netser
Independent Director
Nadav Kidron
Director
Sectors & technology
Primary sector
Health Tech & Life Sciences
Target customers
Business model
B2B
Tags
medical-deviceoncologycancer-treatmentradiotherapyhealth-tech
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | alphatau.com |
|---|---|
| Wikidata | wikidata.org/wiki/Q140045900 |
Identifiers & details
| Legal name | Alpha Tau Medical Ltd. |
|---|---|
| Founded | 2016-1 |
| Employees (exact) | 121 |
| Wikidata QID | Q140045900 |
Radar intelligence
Patents
| EPO | 43 |
|---|
Web history (Wayback)
| Domain | alphatau.com |
|---|
Wikidata
| QID | Q140045900 |
|---|
Certificate / subdomain footprint
| Subdomains | 17 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 515344539 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה ציבורית |
| Incorporated | 2015-11-23 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | no |
| Last annual report | 2024 |
| Active charges / liens | 0 |
| Registry events | 1 — people (1) |
| Registered address | קרית מדע 5 ירושלים |
Recent registry events
| Date | Event |
|---|---|
| 2026-05-03 | עדכון דירקטורים-הוספת דירקטור |