Silicon Roundabout — Activity | F4

Team Portfolio Raise Read Contact

F4/Silicon Roundabout/Activity

Silicon Roundabout Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Investment

Led Cellbricks' €10M seed round for 3D-bioprinted tissue implants and organ replacement.

Cellbricks Therapeutics

Cellbricks TherapeuticsSilicon Roundabout

techfundingnews.comMAR 25, 2026

MAR 25, 2026

Exit

Portfolio company ENIAN exited.

ENIAN

ENIANSilicon Roundabout

pitchbook.comOCT 2025

OCT 2025

News

Fund II officially launching after Fund I closure at £5.05M with 18+ companies backed.

Fund II launching soon

Silicon Roundabout

blog.siliconroundabout.venturesJUL 25, 2025

JUL 25, 2025

3 milestones· JUN 2025Show all

Milestone

Secured major defense contracts with NATO allies (Latvia and Netherlands).

Origin Robotics

Origin Robotics Silicon Roundabout

blog.siliconroundabout.venturesJUN 2025

JUN 2025

Milestone

Achieved world's first tritium breeding in a commercial reactor and crossed significant annual revenue milestones.

Astral Systems

Astral SystemsSilicon Roundabout

blog.siliconroundabout.venturesJUN 2025

JUN 2025

Milestone

Ephos became the first startup to receive EU Chips Act funding, securing €41.5M to build advanced glass-based photonics fabrication facility.

Ephos

EphosSilicon Roundabout

blog.siliconroundabout.venturesJUN 2025

JUN 2025