Parallel Systems
Parallel Systems develops autonomous battery-electric rail vehicles for shorter freight routes on existing railway infrastructure.
$100MSeries C
ParticipantRV
Riot Ventures
Activity from announced rounds
Activity in this selectionUnited States · Oct 19, 2026 · Jul 22, 2026
- Rounds participated in
- 3
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 3 First participation on record · 0 follow-on
- Funding in participating rounds
- $1.1B 3 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
3 in this selectionAmerican Supercritical
American Supercritical develops modular power equipment that converts waste heat into electricity using supercritical carbon dioxide.
$8MPre-seed
ParticipantValar Atomics
Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity.
$1BSeries B
Participant