Group 1 - The core viewpoint of the article highlights that another quantitative private equity firm, Rianfu Investment, has announced a closure of new client subscriptions for certain index-enhanced products due to limited strategy capacity, effective July 1 [2] - Rianfu Investment's current scale has exceeded 70 billion, surpassing other quantitative giants like Kuangde [2] - The Rianfu Zhongzheng 500 index-enhanced series has shown a year-to-date return of approximately 8.2%, significantly outperforming the Zhongzheng 500 index, which has only increased by 0.25%, resulting in an excess return of around 8% [2] Group 2 - Rianfu Investment was established in July 2019 and focuses on quantitative investment, quickly entering the hundred billion private equity ranks within a year of launching its first product [3] - The firm has diversified its strategies across various indices, including 300, 500, A500, 1000, small-cap, and hedging [3] - In recent months, several hundred billion private equity firms have announced closures to control their scale and ensure returns, indicating a trend in the industry [4]