Home / Leaderboard / Keystone Investors Pte. Ltd.
Keystone Investors Pte. Ltd.
Liu Xuan · Hedge Fund · Long/Short Equity
Keystone Investors Pte. Ltd. is a Singapore-based asset management firm founded in 2021 by Liu Xuan, a former portfolio manager at Schonfeld Strategic Advisors. The firm operates as an independent hedge fund specializing in fundamental equity research with a primary focus on Asian markets, particularly Greater China. Launched in 2022 with initial backing from Schonfeld, Keystone has quickly grown its assets under management by employing a long/short equity strategy to generate risk-adjusted alpha. The firm is known for its rigorous research process and disciplined approach to portfolio construction, navigating complex market trends to deliver consistent performance for its clients.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +78.9% |
| YTD return | +56.8% |
| Sharpe ratio | 3.48 |
| Win rate | 58% |
| AUM | $1.4B |
| Inception | Oct 1, 2025 |
| Updated | Sep 21, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.4B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://keystone-investors.com/ |
Current Holdings
Updated on Sep 21, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| STX | Seagate Technology PLC | 11.8% | +40.8% |
| AMZN | Amazon.com Inc | 10.9% | +12.8% |
| WDC | Western Digital Corporation | 10.0% | +88.1% |
| GOOGL | Alphabet Inc Class A | 9.4% | +33.3% |
| CRCL | Circle Internet Group, Inc. | 8.0% | +8.2% |
| FRO | Frontline Ltd | 6.6% | +13.8% |
| LITE | Lumentum Holdings Inc | 6.2% | +178.2% |
| MSFT | Microsoft Corporation | 4.8% | +9.6% |
| COHR | Coherent Inc | 4.7% | +105.8% |
| TEAM | Atlassian Corp Plc | 4.3% | +1.5% |
| MRVL | Marvell Technology Group Ltd | 3.6% | +18.6% |
| STM | STMicroelectronics NV ADR | 2.7% | +4.8% |
| MOG-A | Moog Inc | 2.7% | -1.3% |
| ROST | Ross Stores Inc | 2.6% | +1.0% |
| VSH | Vishay Intertechnology Inc | 2.1% | +5.9% |
| NVDA | NVIDIA Corporation | 2.1% | +19.4% |
| AMD | Advanced Micro Devices Inc | 2.0% | +30.8% |
| IBKR | Interactive Brokers Group Inc | 2.0% | -2.4% |
| SNOW | Snowflake Inc. | 1.9% | +3.2% |
| OKTA | Okta Inc | 1.7% | +14.4% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 14, 2026 | BUY | VSH | 2.1% → 2.1% |
| Sep 14, 2026 | SELL | FRO | 6.0% → 6.6% |
| Sep 14, 2026 | BUY | MOG-A | 2.7% → 2.7% |
| Sep 14, 2026 | SELL | SE | 1.9% → 0.0% |
| Sep 14, 2026 | BUY | AMD | 1.8% → 2.0% |
Investment Style Analysis
Keystone Investors Pte. Ltd. is widely recognized for employing a Long/Short Equity strategy. As of Sep 21, 2026, the firm oversees approximately $1.4B in assets under management (AUM). The portfolio demonstrates a clear preference for the Computer Hardware and Semiconductors sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 14, Keystone Investors Pte. Ltd. made a significant move by increasing exposure to VSH. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Keystone employs fundamental research to invest in equities from sectors and countries where the firm can develop a sustainable advantage. Its philosophy centers on seeking superior alpha generation through a unique process of portfolio construction, combined with careful timing and sizing of ideas, all within a robust risk framework. The firm maintains a global investment mindset while leveraging deep insights into Asian structural trends. By combining fundamental analysis with disciplined risk management, Keystone aims to preserve and grow capital for its investors through both bullish and bearish market cycles.
Disclaimer
The content provided on this page, including the simulated portfolio performance, holdings analysis, and AI-generated insights, is for informational and educational purposes only. It does not constitute financial advice, investment recommendations, or an offer to buy or sell any securities. All data is derived from historical SEC 13F filings and other public disclosures, which have a reporting lag. The "Simulated Performance" is a hypothetical reconstruction based on past disclosures and does not represent the actual returns of the institution. Past performance is not indicative of future results. Tritonix.ai is not affiliated with Keystone Investors Pte. Ltd..
Similar Investment Style
Based on Long/Short Equity.
- Perceptive Advisors LLC — Joseph Edelman · 3M +4.5%
- Glenview Capital Management, LLC — Larry Robbins · 3M +10.8%
- Zweig-DiMenna Associates, Inc. — Joseph DiMenna · 3M +4.2%
- Redmile Group, LLC — Jeremy Green · 3M +3.2%
Frequently asked questions
How is the simulated portfolio for Keystone Investors Pte. Ltd. constructed?
This simulation is powered by Tritonix AI using official SEC filings. We focus on the "Best Ideas" by filtering for only the Top 20 largest holdings and rebalancing them to 100%. The simulation tracks performance starting from Oct 1, 2025. Our AI monitors for updates every Monday to capture major shifts. This concentrated approach highlights the manager's true stock-picking skill and mirrors their actual investment returns.
What is Keystone Investors Pte. Ltd.'s largest holding?
As of the latest filing, Keystone Investors Pte. Ltd.'s top position is Seagate Technology PLC (STX), representing 11.8% of the portfolio. This reflects a high-conviction bet by the institution.
What is Keystone Investors Pte. Ltd.'s historical performance and risk profile?
Our simulation indicates a total return of +78.9% with a win rate of 58%. Notably, the portfolio maintains a Sharpe Ratio of 3.48, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Keystone Investors Pte. Ltd. primarily invest in?
Keystone Investors Pte. Ltd. has a strong preference for the Computer Hardware sector, which makes up 21.8% of their disclosed assets. The portfolio also has exposure to Semiconductors, indicating a specific thematic focus.
Is Keystone Investors Pte. Ltd.'s portfolio concentrated or diversified?
Keystone Investors Pte. Ltd. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 32.7% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Keystone Investors Pte. Ltd. performed in 2026?
Our AI-simulated model portfolio for Keystone Investors Pte. Ltd. tracks a Year-to-Date (YTD) return of +56.8%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Liu Xuan manage Keystone Investors Pte. Ltd. directly?
Yes, Liu Xuan serves as the key portfolio manager for Keystone Investors Pte. Ltd., overseeing the investment strategy and final capital allocation decisions.