Investments abroad · Private equity · United Kingdom
3i Group's investments in the United States
3i Group, based in the United Kingdom, has backed 24 startups in the United States in rounds we track, $1.8B between them, grouped by their main sector.
Funding by segment
- IT Services$793M6
- Healthtech$430M6
- Telecoms$235M4
- Manufacturing$172M2
- Hardware & Electronics$21M2
- Big Data & Analytics$68M2
- Software$67M2
Where they are based
- United States24$1.8B
United StatesFounded
Total raised
- Under $1M0
- $1M to $10M4
- $10M to $50M12
- $50M to $250M6
- $250M to $1B2
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
23 of 24 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States24
Startups by country, 1 country in all.
Segment by segment
IT Services
6 startups · $793M raised
VonageVonage is a provider of cloud-based communications to businesses and consumers.United States$460M
Magnitude SoftwareDatalytics Technologies has been acquired by Magnitude Software.United States$279M
KickfireKickFire is a marketing technology solutions and services company.United States$20M- STSHYM TechnologySHYM Technology is provider of plug-in security and trust management solutions for critical business applications.United States$18M
ComponentSourceComponentSource is the largest global marketplace for reusable software components and development tools, catering to software devUnited States$12M
FotologFotolog is a social networking site that enables members to express themselves through online photo diaries and blogs.United States$4.0M
Healthtech
6 startups · $430M raised
Small Bone InnovationsSmall Bones Innovations makes devices for small bones and joints, particularly focusing on trauma and arthroplasty.United States$244M
Sotera WirelessSotera Wireless is a medical device company developing wireless vital signs monitoring devices.United States$92M
WellpartnerWellpartner is a provider of pharmacy distribution solutions for health plans, Medicaid programs, and safety net organizations.United States$41M- NSNeoGuide SystemsNeoGuide Systems develops robotic endoscopic technology for natural orifice transluminal endoscopic surgery.United States$39M
- GGluconGlucon is a development stage company developing glucose monitoring devices for the diabetes market.United States$13M
Actionaction unite providers and families, share data and outcomes transparently, improve education and standardize best practices.United States$2.0M
Telecoms
4 startups · $235M raised
Kineto WirelessKineto offers internet protocol-based services and solutions for mobile operators.United States$111M
AOptix TechnologiesAOptix Technologies is a private company based in Campbell, California, founded in 2000.United States$90M
PolatisPolatis is a tech company delivering optical switching solutions for remote fiber-layer provisioning, protection and monitoring.United States$26M
QuantivaQuantiva provides full product life cycle technology consulting and digital transformation services.United States$7.0M
Manufacturing
2 startups · $172M raised
- KTKonarka TechnologiesKonarka Technologies develops nano-enabled polymer photovoltaic materials for commercial, industrial and consumer applications.United States$152M
- MBMimix BroadbandMimix Broadband manufactures gallium arsenide semi-conductors for microwave and millimeter-wave applications.United States$20M
Hardware & Electronics
2 startups · $21M raised
- DCDevelopOnline CorporationDevelopOnline helps embedded platform developers cut traditional development times in their target markets by as much as 70 percent.United States$11M
Emulation and Verification EngineeringEmulation and Verification Engineering develops hardware and software co-verification solutions for microelectronics companies.United States$9.7M
Big Data & Analytics
2 startups · $68M raised
Software
2 startups · $67M raised
How this map is made. Every startup here has raised money in a round we track that names 3i Group as an investor and is based in United States. Each sits under its main sector, read from its rounds, and each shows its best-funded first. Rebuilt nightly; updated 15 November 2026.
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