Rigetti Computing, Inc.

Rigetti Computing, Inc. Company type Public Traded as Nasdaq : RGTI Industry Quantum computing Founded 2013; 12 years ago (2013) Founder Chad Rigetti Headquarters Berkeley, California , United States Key people Subodh Kulkarni (CEO ) Products Quantum integrated circuits Forest quantum computing software Revenue US$ 10.8 million (2024) Operating income US$−69 million (2024) Net income US$−201 million (2024) Total assets US$285 million (2024) Total equity US$127 million (2024) Number of employees 140 (2025) Website rigetti.com Footnotes / references [1]

Rigetti Computing, Inc. is an American enterprise, firmly rooted in Berkeley, California , that dedicates its considerable efforts to the development of superconducting quantum integrated circuits . These intricate components serve as the very foundation for the nascent, yet undeniably complex, realm of quantum computers . Beyond the tangible hardware, Rigetti also meticulously crafts and maintains a sophisticated cloud platform, rather uncreatively named Forest, which ostensibly empowers programmers to construct and deploy their quantum algorithms. One might say they provide both the shovel and the patch of digital dirt, hoping something revolutionary might grow. [2]

History

The genesis of Rigetti Computing can be traced back to 2013, when it was brought into existence by Chad Rigetti . Rigetti, a physicist whose academic and professional trajectory included significant contributions to quantum computers during his tenure at IBM , honed his expertise under the tutelage of the distinguished Michel Devoret . [2] [3] His intellectual footprint in the field is substantial, with Chad Rigetti having authored a rather impressive collection of over 140 publications, delving into the esoteric depths of quantum mechanics and the practical applications of quantum computing . [4]

The company itself emerged from the rather selective startup incubator, Y Combinator , in 2014, earning the somewhat grandiose designation of a “spaceshot” company. This label, typically reserved for ventures aiming for truly ambitious, perhaps even improbable, breakthroughs, certainly set expectations. [5] [6] Later that same year, Rigetti continued its journey through the rigorous gauntlet of early-stage funding and mentorship, participating in The Alchemist Accelerator, another venture capital program designed to nurture promising, if not entirely proven, enterprises. [6]

By February 2016, Rigetti had achieved a notable, if somewhat modest, milestone: the creation of its inaugural quantum processor . This early iteration was a three-qubit chip, meticulously fabricated using aluminum circuits delicately etched onto a silicon wafer. A small step, perhaps, but in the nascent world of quantum hardware, every qubit was a hard-won battle against the laws of physics. [7] The year 2016 proved to be pivotal for the company’s financial trajectory as well. Rigetti successfully secured Series A funding amounting to US$24 million, a round prominently spearheaded by the influential venture capital firm Andreessen Horowitz . This initial injection of capital was swiftly followed in November by a substantial Series B funding round, which amassed $40 million. This subsequent round was led by the investment firm Vy Capital, with continued participation from Andreessen Horowitz and a consortium of other investors, all presumably convinced that the future held more than just classical bits. Notably, Y Combinator , having fostered the company’s early days, also contributed to both these significant funding rounds, doubling down on their “spaceshot” bet. [6]

As Spring of 2017 unfolded, Rigetti demonstrated tangible progress, advancing to the stage of actively testing eight-qubit quantum computers. This iterative increase in qubit count, while seemingly incremental, represented a complex engineering challenge. [3] A significant announcement followed in June of that year, with the company unveiling the release of Forest 1.0. This quantum computing platform was meticulously engineered to provide developers with the tools and access necessary to construct and experiment with quantum algorithms, a crucial step in moving quantum computing from theoretical physics to practical application. This launch was, by all accounts, a major milestone, signaling a shift towards greater accessibility in a field typically shrouded in academic abstraction. [2]

The financial landscape shifted dramatically for Rigetti in October 2021 when the company publicly declared its intentions to go public via a rather fashionable SPAC merger . This maneuver, designed to bypass some of the traditional IPO hurdles, was accompanied by an estimated valuation of approximately US$1.5 billion—a figure that, to some, might have seemed rather optimistic for a technology still largely in its infancy. [8] [9] This particular deal was projected to inject an additional US$458 million into the company’s coffers, bringing the total expected funding to a staggering US$658 million. [8] The stated purpose for this considerable war chest was to aggressively accelerate the company’s growth, with ambitious plans including the scaling of its quantum processors from a then-impressive 80 qubits to a monumental 1,000 qubits by 2024, with an even more audacious target of 4,000 qubits by 2026. These were bold pronouncements, indeed, reflecting the high-stakes nature of the quantum race. [10] The SPAC merger ultimately concluded on March 2, 2022, officially ushering Rigetti into the public market, where its shares began trading on the NASDAQ under the rather concise ticker symbol RGTI. [11]

A shift in leadership occurred in December 2022, when Subodh Kulkarni assumed the dual role of president and CEO of the company. Such transitions in leadership often signal new strategic directions, or at the very least, a fresh perspective on the monumental challenges inherent in quantum commercialization. [12]

In July 2023, Rigetti marked another technical achievement, launching a single-chip 84-qubit quantum processor . This particular design was touted for its inherent scalability, suggesting a pathway to even larger and more complex quantum systems in the future. [13] Then, in October 2025, Rigetti found itself amidst a broader political discussion, being identified as one of several quantum-computing companies reportedly engaged in discussions with the Trump administration. These talks, as reported, centered on the delicate matter of securing federal funding, presumably in exchange for equity stakes—a move that would entangle the cutting edge of technology with the often-unpredictable currents of government policy. [14]

Products and technology

Rigetti Computing proudly positions itself as a “full-stack quantum computing company.” This rather comprehensive designation implies that the company doesn’t merely dabble in one aspect of the quantum ecosystem; instead, it undertakes the entire vertical integration. This includes the intricate design and precise fabrication of the quantum chips themselves, their seamless integration with the complex controlling architectures required to operate them, and finally, the development of the sophisticated software platforms that allow programmers to construct and deploy algorithms for these esoteric chips. It’s a daunting task, requiring mastery across multiple, highly specialized disciplines, from condensed matter physics to advanced software engineering. [15]

Forest cloud computing platform

At the heart of Rigetti’s software offerings is its cloud computing platform, Forest. This platform grants developers the rather unique privilege of accessing Rigetti’s quantum processors, albeit for the purpose of writing and testing quantum algorithms. It’s a digital proving ground for those brave enough to venture beyond classical computation. The underlying architecture of this computing platform is built upon a custom instruction language, a creation of the company’s own making, known as Quil . This acronym, standing for Quantum Instruction Language, is specifically designed to facilitate what is known as hybrid quantum/classical computing, allowing for the interplay between the quantum processor and conventional computing resources. Programs within this framework can be constructed and executed using widely adopted open-source Python tools, a nod to developer accessibility in a field often characterized by its steep learning curve. [15] [16] As of June 2017, the platform provided coders with the capability to craft quantum algorithms for a simulation of a quantum chip boasting 36 qubits —a virtual playground for the quantum curious, long before physical hardware of that scale was readily available. [2]

Fab-1

The company also maintains and operates a specialized rapid prototyping fabrication (“fab”) lab, rather straightforwardly named Fab-1. This facility is a critical asset, meticulously engineered for the swift and efficient creation of integrated circuits . Within the pristine confines of this lab, dedicated engineers engage in the intricate process of designing and generating experimental designs for 3D-integrated quantum circuits. These advanced circuits are the very building blocks for the qubit -based quantum hardware that Rigetti endeavors to produce. The ability to iterate quickly and internally on hardware designs provides Rigetti with a distinct advantage, allowing for accelerated development cycles and greater control over the proprietary aspects of their quantum processors. [15]

Recognition

Rigetti Computing’s efforts have not gone unnoticed in the competitive and often speculative landscape of advanced technology. In 2016, the company received a rather prominent endorsement from X-Prize founder Peter Diamandis , who identified Rigetti as one of the three principal leaders in the burgeoning quantum computing space. To be mentioned in the same breath as industry titans like IBM and Google at such an early stage was, by any measure, a significant validation of their technological trajectory and ambitious vision. [17] This recognition was further solidified in 2017 when the esteemed MIT Technology Review included Rigetti Computing on its annual list of the “50 smartest companies,” a compilation reserved for enterprises demonstrating profound innovation and strategic acumen. [18]

Locations

Rigetti Computing maintains its primary operational base and corporate headquarters in the vibrant technological hub of Berkeley, California . This location serves as the central nexus for its developmental systems and the specialized cryogenic cooling equipment essential for maintaining the ultra-low temperatures required for superconducting quantum processors. [17] Complementing its Berkeley operations, the company also oversees the functioning of its Fab-1 manufacturing facility in the nearby city of Fremont, California. This strategic geographical proximity between research, development, and fabrication underscores Rigetti’s commitment to a vertically integrated approach to quantum computing, ensuring tight control over the entire production lifecycle of its groundbreaking technology. [2]

See also

• D-Wave Systems