Last updated 2026-07-23
- Raised $6M Series C led by Jeff Vinik, Nov 2017
- Raised $250k grant, May 2019
- Raised $1M Series B led by Wanaka Capital Partners, Dec 2015
Total raised
$7.8M
Last: Grant 2019-06
Stage
Mature
Founded
2011
Headcount
25
HQ
Tel Aviv-Yafo, Israel
Sector
Aerospace, Defense & HLS
About
StemRad is an Israeli-American company that develops and manufactures personal protective equipment (PPE) against ionizing radiation. The company's technology focuses on selectively shielding critical organ systems, such as bone marrow, to provide life-saving protection while allowing full mobility. Their products are designed for first responders, military personnel, nuclear industry workers, medical professionals, and astronauts. StemRad was founded in 2011 following the Fukushima nuclear disaster to address the need for effective gamma radiation protection. They have offices in Tel Aviv, Israel (headquarters and R&D) and Tampa, Florida, USA (U.S. subsidiary and operations).
Funding history · 4 rounds · $7.8M total
2019-05
Grant
$250K
2017-11
C Round
$6.0M
★ Jeff Vinik
2015-12
B Round
$1.0M
★ Wanaka Capital Partners
1969-12
A Round
$559K
Headcount over time
From 9 (2018-08) to 25 (2026-07) · +16 (+178%) · 34 points · source: Finder history + radar grounding
Q&A
- What is StemRad's primary focus?
- StemRad specializes in providing personal radiation-protection solutions, offering lifesaving protection from penetrating ionizing radiation for various personnel including first responders, military, utility, medical teams, and astronauts.
- What is the 360 Gamma product?
- The 360 Gamma is a wearable shield developed by StemRad that provides lifesaving protection from gamma radiation. It is worn around the pelvic area to lower radiation exposure to critical radiosensitive organs.
- What is AstroRad and who co-developed it?
- AstroRad is personal protective equipment designed by StemRad to be worn by astronauts beyond low Earth orbit. It was co-developed by StemRad and Lockheed Martin.
- When was StemRad founded?
- StemRad was founded in October 2011.
- What is StemRad's total funding to date?
- StemRad has raised a total of $7,809,000 in funding.
- Which investor participated in StemRad's $6,000,000 funding round in December 2017?
- Jeff Vinik participated in StemRad's $6,000,000 funding round in December 2017.
- What was StemRad's most recent funding round?
- StemRad received a Grant of $250,000 in June 2019 from Space Florida.
- Where is StemRad's headquarters located?
- StemRad's headquarters is located in Tel Aviv-Yafo, Israel.
Team · 2
Oren Milstein
Founder · Co-founder
Daniel Levitt
Founder · Co-founder
Sectors & technology
Primary sector
Aerospace, Defense & HLS
Sub-sectors
Aerospace, Defense & HLSDefense & HLS SolutionsCombat Equipment & Systems
Technologies
Materials & Substances
Target customers
Industrial ManufacturingDiscrete IndustriesAerospaceDefense, Safety & SecuritySecurityHomeland SecurityNational SecurityCivilMilitaryEnergy, Utilities & Waste ManagementNew FuelsNuclearHealthcare & Life SciencesHealthcareProviders
Business model
B2BB2G
Highlights
1 PatentsVerified
Tags
safetywearableradiation-protectionpublic-safetyhealthcare-providersastrospaceastronauticsmilitarydefenseaerospacespace-techfirst-responders
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | stemrad.com |
|---|---|
| linkedin.com/company/3505511 | |
| facebook.com/stemrad | |
| YouTube | youtube.com/channel/UCgMpo6Ecfw6d4gMmXoITXgw |
| Wikipedia | en.wikipedia.org/wiki/StemRad |
| Wikidata | wikidata.org/wiki/Q18385371 |
Identifiers & details
| Legal name | StemRad Ltd. |
|---|---|
| Founded | 2011-12 |
| Employees (exact) | 25 |
| Offices | Tampa |
| Wikidata QID | Q18385371 |
Radar intelligence
Patents
| EPO | 4 |
|---|
Publications (Crossref)
| Works | 1 |
|---|
Web history (Wayback)
| Domain | stemrad.com |
|---|
Wikidata
| QID | Q18385371 |
|---|
Certificate / subdomain footprint
| Subdomains | 3 |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 514679901 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2011-10-23 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | yes |
| Last annual report | 2024 |
| Active charges / liens | 0 |
| Registry events | 5 — violation (1), charge (4) |
| Registered address | ולנברג ראול 4 תל אביב - יפו |
Recent registry events
| Date | Event |
|---|---|
| 2026-06-25 | עדכון הפרה |
| 2025-11-10 | סילוק שעבוד |
| 2025-11-10 | סילוק שעבוד |
| 2025-11-09 | סילוק שעבוד |
| 2025-11-09 | סילוק שעבוד |