Fine Structure Ventures

Activity from announced rounds

Activity in this selectionOct 18, 2026 · Jul 21, 2026
Rounds participated in
1
Confirmed lead rounds
0
All roles disclosed
New companies
1
First participation on record · 0 follow-on
Funding in participating rounds
$125M
1 disclosed · full round size, not this investor’s share

By stage

Series B1

By primary sector

Hardware1

By country

Spain1

Rounds

1 in this selection
iPRONICS

iPRONICS builds silicon-photonics optical circuit switches that let AI data centers reconfigure high-bandwidth connections between compute systems across and within racks.

$125MSeries B
Participant