P
PsiQuantum
General purpose silicon photonic quantum computing
At a glance
- Founded
- 2016
- Headquarters
- Palo Alto, United States
- Sector
- Semiconductors
- Power Law
- Unicorn$1–10B valuation tier
Knowledge graph
More headlines
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A2 investors entered at this stage
- PGPlayground Global
Redpoint
Series B and later23 investors entered at this stage
- QGQueensland Government
Founders Fund
Baillie Gifford- MAMacquarie
Qatar Investment Authority
Blackbird Ventures
M12- TVType One Ventures
- Blackbird Ventures
- TVThird Point Ventures
- AIA&E Investments
- CSCounterpoint Global (Morgan Stanley)
Ribbit Capital
Nvidia
SentinelOne- ACAdage Capital
- 1C1789 Capital
Atomico- UBUniversity of Bristol
T. Rowe Price
Temasek
BlackRock- NVNVentures
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
172 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about PsiQuantum on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See PsiQuantum on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.