Mana Battery
Mana Battery develops anode-free sodium-ion cells and proprietary electrolytes for battery manufacturers.
UndisclosedSeed financing (investment amount undisclosed)
ParticipantUS
Union Square Ventures
Activity from announced rounds
Activity in this selectionUnited States · Oct 9, 2026 · Sep 10, 2026
Union Square Ventures is the venture firm explicitly named by Nous Research and Efficient Computer.
Recorded funding activity
Nous develops open models and agents. Efficient develops processors, while Rune deploys computing at renewable-energy sites. The company records retain separate technologies and financing events.
- Rounds participated in
- 4
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 3 First participation on record · 1 follow-on
- Funding in participating rounds
- $230M 3 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
4 in this selectionNous Research
Open-source AI models and the Hermes agent, which retains project memory and reusable skills across tasks.
$90MSeries B
ParticipantEfficient Computer
Efficient Computer develops general-purpose data-flow processors and software tools for computing and AI systems.
$100MAdditional funding
ParticipantRune
A modular clean-compute platform that deploys GPU clusters at renewable-energy sites without building a conventional data center.
$40MSeries A
Participant