CScale
CScale develops optical interconnects that keep large AI computing systems communicating reliably.
$145MSeries C
ParticipantSH
Sutter Hill Ventures
Activity from announced rounds
Activity in this selectionOct 19, 2026 · Sep 20, 2026
Sutter Hill Ventures is the venture firm named by AttoTude and in CapitalG’s Celero investment account.
Recorded funding activity
AttoTude develops dielectric interconnects. Celero develops optical signal processors, while Sila develops battery materials and systems. The announcements preserve distinct components of computing and energy infrastructure.
Sources
- 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
- $145M 1 disclosed · full round size, not this investor’s share