Core Insights - The article emphasizes the growing demand for second-generation semiconductor substrate materials, particularly III-V compound semiconductors like Indium Phosphide (InP) and Gallium Arsenide (GaAs), due to their superior physical properties and applications in high-frequency, high-power, and high-temperature environments [2][19]. Group 1: Indium Phosphide (InP) Substrate Materials - InP substrates are primarily used in optical modules, sensors, and high-end RF devices, with a promising future driven by advancements in AI and next-generation communication technologies [3][4]. - The global InP substrate market is projected to reach $202 million by 2026, with a compound annual growth rate (CAGR) of 12.42% from 2019 to 2026 [4][30]. - The development of InP substrates will focus on three core areas: larger sizes, cost optimization, and heterogeneous integration [5][57]. Group 2: Gallium Arsenide (GaAs) Substrate Materials - GaAs substrates are widely used in LEDs, RF devices, and lasers, with market growth driven by emerging industries such as next-generation displays and the Internet of Things (IoT) [6][62]. - The global GaAs substrate market is expected to grow from approximately $200 million in 2019 to $348 million by 2025, reflecting a CAGR of 9.67% [6][62]. - The GaAs substrate market is characterized by technological upgrades, domestic substitution, and collaborative innovation across the industry [7]. Group 3: Market Dynamics and Trends - The InP substrate market is highly concentrated, with the top three suppliers holding over 90% of the market share, including Sumitomo and Beijing Tongmei [8][30]. - The GaAs substrate market is also dominated by a few key players, with Freiberger, Sumitomo, and Beijing Tongmei being the major manufacturers [8][62]. - The demand for both InP and GaAs substrates is expected to grow significantly due to the increasing requirements for high-performance semiconductor materials in various applications, including 5G, AI, and quantum computing [17][19][53].

Core Insights - Huawei's Hubble Investment achieved a remarkable 20-fold return on its investment in Tianyue Advanced, turning an initial investment of 111 million yuan into a market value exceeding 2.2 billion yuan over six years [1][3]. Investment Performance - In 2019, Hubble Investment acquired a 10% stake in Tianyue Advanced for 111 million yuan [3]. - Tianyue Advanced went public on the STAR Market on January 12, 2022, leading to a significant increase in its stock price, which peaked at 99.88 yuan per share in September 2023 [3]. - As of September 26, 2025, Hubble's investment in Tianyue Advanced had a market value of approximately 235.4 million yuan, resulting in a floating profit of about 224.3 million yuan [3]. Company Performance - Tianyue Advanced is a leading player in China's silicon carbide semiconductor substrate market, achieving significant breakthroughs in substrate production [4]. - In 2024, the company reported a 41.37% year-on-year increase in revenue and a staggering 491.56% increase in net profit [4]. - However, in the first half of 2025, the company experienced a 12.98% decline in revenue and an 89.32% drop in net profit, attributed to lower substrate sales prices and increased R&D expenses [4]. Market Trends - The demand for silicon carbide is driven by its advantages in high-voltage and high-temperature applications, particularly in the electric vehicle sector [7]. - The global market for silicon carbide power semiconductor devices is projected to grow at a compound annual growth rate of 35.2%, increasing from $3.24 billion in 2024 to $19.745 billion by 2030 [7]. Investment Strategy - Hubble Investment, established in 2019, focuses on building Huawei's semiconductor supply chain and has invested in 112 projects, with over 10 companies successfully going public [8]. - As of mid-2025, Hubble's investments in eight A-share listed companies had a combined market value of approximately 4.415 billion yuan [8]. - The overall value of Hubble's holdings increased to 6.482 billion yuan by September 26, 2025, reflecting a quarterly floating profit of about 2.067 billion yuan [9].