American Supercritical
American Supercritical develops modular power equipment that converts waste heat into electricity using supercritical carbon dioxide.
$8MPre-seed
ParticipantRV
Riot Ventures
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Climate tech · Jul 27, 2026
- Rounds participated in
- 2
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 2 First participation on record · 0 follow-on
- Funding in participating rounds
- $1B 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
2 in this selectionValar Atomics
Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity.
$1BSeries B
Participant