Deep Tech · VC Firm

Playground Global

Quantum sits inside Playground's next-gen compute pillar: early backer of PsiQuantum (photonic, Series C 2019, now valued at $7B); holds Phasecraft (quantum algorithms, co-led the $34M Series B), Snowcap Compute (superconducting compute, led the $23M seed), NVision Quantum (hyperpolarized MRI and molecular qubits) and Ideon Technologies (muon tomography quantum sensing). Fund IV ($475M, closed May 2026) names quantum and superconducting logic among its core themes.

Active Palo Alto, United StatesFounded 2015

Investment thesis

Playground Global is a Palo Alto-based deep-tech VC founded in 2015 (co-founders include Peter Barrett and Bruce Leak; early co-founder Andy Rubin departed in 2019). It manages $1.2B+ AUM across four funds (Fund IV $475M, closed May 2026; Fund III $410M, Dec 2023). Invests pre-seed to Series A in frontier hardware (quantum, robotics, infrastructure, semiconductors, energy, space), with follow-on through later rounds. An in-house lab with engineers supports portfolio development.

Quantum is a foundational thesis: early backer of PsiQuantum (silicon-photonic fault-tolerant, Series C 2019, now $7B valuation). Also backs Phasecraft (quantum algorithms, co-led the $34M Series B 2025), Snowcap Compute (superconducting compute for AI and quantum, led the $23M seed 2025; founded by Anna and Quentin Herr, ex Northrop Grumman and imec, with Pat Gelsinger as board chair), NVision Quantum Technologies (hyperpolarized MRI and molecular qubits, Series B 2026 anchored by Abbott) and Ideon Technologies (cosmic-ray muon tomography for subsurface imaging, Canada).

Value-add: in-house hardware-engineering lab where portfolio founders can prototype, uncommon in VC; government affairs support; proactive thesis development with staff scientists.

Differentiated as a US VC with a broad quantum hardware portfolio plus operational engineering infrastructure, not just capital.

Anti-thesis

The patterns that trigger a fast no with this fund.

  1. Pure software/algorithm-only quantum plays without a clear path to fault-tolerant hardware at scale
  2. NISQ-era quantum advantage claims without a credible roadmap to millions of physical qubits
  3. Capital-light models: Playground backs vertically integrated hardware companies and writes large, patient checks (PsiQuantum-style)
  4. Modalities they view as harder to manufacture at scale (trapped ions, neutral atoms) versus silicon photonics in a CMOS foundry
  5. Pre-product academic spinouts without a manufacturing or operator-grade engineering team

Notable quantum portfolio

Full portfolio
PsiQuantumIdeon TechnologiesSnowcap ComputeNvision Imaging TechnologiesPhasecraft

Frequent co-investors