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 23, 2026 · Jan 1, 2026
- Rounds participated in
- 8
- Confirmed lead rounds
- 0 5 roles undisclosed
- New companies
- 8 First participation on record · 0 follow-on
- Funding in participating rounds
- $3.5B 8 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
8 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
ParticipantTrue Anomaly
Builds autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for U.S. national security
$650MSeries D
Role not disclosedShield AI
Develops intelligent systems for protecting service members and civilians
$1.5BSeries G
Role not disclosedSift
Delivers AI data infrastructure for mission-critical machines across space, defense, and autonomy
$42MSeries B
Role not disclosedIntegrate
Develops project-management software for classified government projects.
$17MSeries A
Role not disclosedOxide Computer Company
Designs and manufactures integrated on-prem cloud computing systems
$200MSeries C
Role not disclosed