Rockley Photonics Funding, Investors & Competitors

Nvidia is a leading developer of graphics processing units. Traditionally, GPUs were used to enhance the experience on computing platforms, most notably in gaming applications on PCs. GPU use cases have since emerged as important semiconductors used in artificial intelligence to run large language models. Nvidia not only offers AI GPUs, but also a software platform, Cuda, used for AI model development and training. Nvidia is also expanding its data center networking solutions, helping to tie GPUs together to handle complex workloads.

Taiwan Semiconductor Manufacturing Co. is the world's largest dedicated chip foundry, with about 70% market share in 2025. TSMC was founded in 1987 as a joint venture of Philips, the government of Taiwan, and private investors. It went public in Taiwan in 1994 and as an ADR in the US in 1997. TSMC's scale and high-quality technology allow the firm to generate solid operating margins, even in the highly competitive foundry business. Furthermore, the shift to the fabless business model has created tailwinds for TSMC. The foundry leader has an illustrious base of customers, including Apple, AMD, and Nvidia, that look to apply its cutting-edge process technologies to their semiconductor designs. TSMC employs more than 83,000 people.

Broadcom is one of the largest semiconductor companies in the world and has also expanded into infrastructure software. Its semiconductors primarily serve computing, wired connectivity, and wireless connectivity. It has a significant position in custom AI chips to train and run inference for large language models. It is primarily a fabless designer but holds some manufacturing in-house. In software, it sells virtualization, infrastructure, and security software to large enterprises, financial institutions, and governments. Broadcom is the product of consolidation. Its businesses are an amalgamation of former companies like legacy Broadcom and Avago Technologies in chips, as well as VMware, Brocade, CA Technologies, and Symantec in software.

Micron is one of the largest semiconductor companies in the world, specializing in memory and storage chips. Its primary revenue stream comes from dynamic random access memory, or DRAM, and it also has minority exposure to not-and or NAND, flash chips. Micron serves a global customer base, selling chips into data centers, mobile phones, consumer electronics, and industrial and automotive applications. The firm is vertically integrated.

SK hynix is a semiconductor memory manufacturer with around 60%-70% of its revenue from DRAM and 30%-35% of its revenue from NAND. The company is both the second-largest DRAM and NAND supplier globally with a 33% and 21% market share, respectively, as of 2024. SK Hynix increased its market position in NAND from fourth to second, after acquiring Intel's NAND business in 2021. SK Square, an investment management company spun off from SK Telecom, is SK Hynix's largest shareholder and currently holds 20% of the company's shares.

Advanced Micro Devices designs a variety of digital semiconductors for markets such as PCs, gaming consoles, data centers (including artificial intelligence), industrial, and automotive applications. AMD’s traditional strength was in central processing units and graphics processing units used in PCs and data centers. However, AMD is emerging as a prominent player in AI GPUs and related hardware. Additionally, the firm supplies the chips found in prominent game consoles such as the Sony PlayStation and Microsoft Xbox.

Intel is a leading digital chipmaker focused on designing and manufacturing microprocessors for the global personal computer and data center markets. Intel pioneered the x86 architecture for microprocessors and led the semiconductor industry down the path of Moore's law for advances in semiconductor manufacturing. Intel remains the market share leader in central processing units in both the PC and server end markets. The company is seeking to reinvigorate its chip manufacturing business, Intel Foundry, while developing leading-edge products in its Intel Products business segment.

CXMT Corp is engaged in the research, design, production and sales of Dynamic Random Access Memory (DRAM) products. These DRAM products are widely used in mobile terminals, computers, servers, virtual reality, and the Internet of Things (IoT).

Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.

Applied Materials is the largest semiconductor wafer fabrication equipment manufacturer in the world. It has a broad portfolio spanning nearly every corner of the WFE ecosystem. Applied Materials holds leading market share in deposition, which entails the layering of new materials on semiconductor wafers. It is more exposed to general-purpose logic chips made at integrated device manufacturers and foundries. It counts the largest chipmakers in the world as customers, including TSMC, Intel, and Samsung.

Arm Holdings is the IP owner and developer of the ARM architecture, which is used in 99% of the world’s smartphone CPU cores, and it also has high market share in other battery-powered devices like wearables, tablets, or sensors. Arm licenses its architecture for a fee, offering different types of licenses depending on the flexibility the customer needs. Customers like Apple or Qualcomm buy architectural licenses, which allow them to modify the architecture and add or delete instructions to tailor the chips to their specific needs. Other clients directly buy off-the-shelf designs from Arm. Both off-the-shelf and architectural customers pay a royalty fee per chip shipped.

Dallas-based Texas Instruments generates over 95% of its revenue from semiconductors and the remainder from its well-known calculators. Texas Instruments is the world's largest maker of analog chips, which are used to process real-world signals such as sound and power. Texas Instruments also has a leading market share position in processors and microcontrollers used in a wide variety of electronics applications.

Founded in 1997, MediaTek is a fabless semiconductor designer focusing on solutions for smartphones, digital televisions, and connectivity products. The business is divided into three segments. The first is "mobile," which accounts for more than half of sales, where MediaTek is the second-largest third-party supplier of smartphone SoCs by revenue to the likes of Xiaomi and Vivo. The second is "smart edge," which accounts for just over 40% of sales, that covers most devices other than smartphones. The third is "power IC" that includes power management products for mobile devices, data centers, connectivity devices and more. Mediatek is headquartered in Hsinchu, Taiwan and employs about 22,400 people.

KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.

Yangtze Memory Technologies is a Wuhan-headquartered integrated device manufacturer of 3D NAND flash memory. Established in 2016, it produces Xtacking architecture chips for smartphones, data centers, and SSDs, with R&D centers in Shanghai, Beijing, Silicon Valley, and Tokyo. Backed by Tsinghua Unigroup, it operates a massive fab in Wuhan for global supply.

Etched is a semiconductor startup building specialized application-specific integrated circuits (ASICs) designed exclusively to run transformer-based artificial intelligence models. Founded in 2022 and headquartered near Cupertino, California, the company aims to disrupt general-purpose GPU infrastructure by offering massive performance and power efficiency gains for large language model inference.

UNISOC fabricates mobile communications and IoT chipsets including 2G/3G/4G platforms, RF, wireless connectivity, security, TV, and image sensors. Shanghai-headquartered fabless semiconductor firm operates 14 R&D centers and seven customer support centers globally, holding top-three position in mobile baseband market share and leading pan-chip supply in China at unisoc.com.

PsiQuantum is a Palo Alto-headquartered quantum computing company building photonic-based fault-tolerant systems. The firm manufactures qubits in GlobalFoundries fabs, targeting 1 million-qubit processors by 2027 for climate modeling and drug discovery. PsiQuantum partners with DARPA and Australian government for utility-scale deployment.