Rigetti Computing is a full-stack quantum computing company that designs and fabricates superconducting quantum integrated circuits, integrates them with a controlling architecture, and develops software for programmers to build algorithms. Founded in 2013 by Chad Rigetti, the company operates a quantum cloud services platform and pursues a multi-chip modular architecture for scaling its systems. Rigetti went public on Nasdaq via a SPAC merger with Supernova Partners Acquisition Company II in March 2022.
Rigetti is publicly traded
This company is no longer available on our private secondary market. Shares can be traded publicly under its listed ticker.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2013
Employees
140–160
Total Funding
$198M
4 rounds
Latest Valuation
$1.5B
March 2, 2022
Total raised $198M across 4 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 05-10-2026
Latest Round
Type
SPAC Merger / PIPE
Date
March 2, 2022
Amount
~$261.75M gross proceeds at close
Valuation
$1.5B
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| March 2, 2022 | SPAC Merger / PIPE | ~$261.75M gross proceeds at close | $1.5B | Supernova Partners Acquisition Company II |
| August 4, 2020 | Series C | $79M | — | Bessemer Venture Partners |
| November 2016 | Series B | $40M | — | Vy Capital |
Competitor list is illustrative and may be incomplete, stale, or erroneous.
IonQ
Public trapped-ion quantum computing company offering systems via cloud platforms.
D-Wave Quantum
Public quantum annealing and gate-model quantum computing company.
IBM Quantum
IBM's superconducting quantum computing division offering systems on IBM Cloud.
Google Quantum AI
Alphabet's superconducting quantum hardware research arm.
PsiQuantum
Private photonic quantum computing company building fault-tolerant systems.
Quantinuum
Private trapped-ion full-stack quantum computing company (Honeywell + Cambridge Quantum).
Rigetti became publicly traded on March 2, 2022 via a SPAC merger with Supernova Partners Acquisition Company II, listing on Nasdaq under ticker RGTI. The combined company received approximately $261.75 million in gross proceeds at close (after redemptions), at a $1.5 billion pro forma equity value.
Rigetti shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker to place an order.
Rigetti had a valuation of approximately $1.5B at the time of its public offering. Current market capitalization fluctuates with the share price.
Rigetti raised $198M across 4 disclosed funding rounds prior to its public listing.
Rigetti is headquartered in Berkeley, California, USA.
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