Positron AI
Positron AI develops memory-focused hardware and software for large-language-model inference.
≤$875MSeries C and Series C-1 financing package
ParticipantDG
DFJ Growth
Activity from announced rounds
Activity in this selectionOct 6, 2026 · AI · Jan 1, 2026
DFJ Growth is an investment firm whose own investment stories identify Cambridge Aerospace, Saronic, BigHat and Impulse Space.
Recorded funding activity
BigHat designs antibody therapeutics using AI and synthetic biology. Impulse builds orbital transfer vehicles and kick stages, while Positron develops hardware and software for AI inference. The recorded financings connect different operating technologies under the firm’s name.
Sources
- Rounds participated in
- 5
- Confirmed lead rounds
- 0 4 roles undisclosed
- New companies
- 4 First participation on record · 1 follow-on
- Funding in participating rounds
- $2.3B 4 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
5 in this selectionSaronic Technologies
Develops autonomous platforms for maritime superiority
$1.8BSeries D
Role not disclosedXBOW
Runs autonomous AI agents that continuously probe software for vulnerabilities at machine speed
$120MSeries C
Role not disclosedGoodfire
Uses interpretability to understand, learn from, and design AI systems
$150MSeries B
Role not disclosedPositron AI
Positron AI develops memory-focused hardware and software for large-language-model inference.
$230MSeries B
Role not disclosed