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Naya Capital Management UK Limited
Masroor Siddiqui · Hedge Fund · Long/Short Equity
Naya Capital Management UK Limited is a London-based investment firm founded in 2012 by Masroor Siddiqui, a former partner at The Children's Investment Fund (TCI). The institution is a global investment manager that specializes in alternative investment strategies, particularly concentrated global equity portfolios. Authorized and regulated by the Financial Conduct Authority (FCA) in the United Kingdom and registered as an investment advisor with the SEC in the United States, the firm serves a variety of institutional investors and professional clients. Naya Capital is recognized for its rigorous research process and its ability to invest across the capital structure to identify mispriced opportunities in global markets.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +55.7% |
| YTD return | +42.8% |
| Sharpe ratio | 3.67 |
| Win rate | 100% |
| AUM | $1.7B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.7B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.nayacapital.com |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| HUM | Humana Inc | 42.9% | +48.7% |
| FWONK | Liberty Media Corporation Series C Liberty Formula One Common Stock | 32.3% | +2.8% |
| UNH | UnitedHealth Group Incorporated | 24.8% | +10.1% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 31, 2026 | SELL | WWD | 15.5% → 0.0% |
| Aug 31, 2026 | BUY | UNH | 25.6% → 24.8% |
| Aug 31, 2026 | BUY | FWONK | 25.6% → 32.3% |
| Aug 31, 2026 | BUY | HUM | 33.4% → 42.9% |
| May 25, 2026 | SELL | MASI | 20.4% → 0.0% |
Investment Style Analysis
Naya Capital Management UK Limited is widely recognized for employing a Long/Short Equity strategy. As of Sep 18, 2026, the firm oversees approximately $1.7B in assets under management (AUM). The portfolio demonstrates a clear preference for the Healthcare Plans and Entertainment sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 31, Naya Capital Management UK Limited made a significant move by reducing the position in WWD. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Naya Capital employs a fundamental, value-oriented investment philosophy with a focus on bottom-up analysis and primary research. The firm combines private equity-style due diligence with credit expertise to construct concentrated portfolios consisting of high-conviction ideas held for the long term. Their strategy aims to generate alpha by identifying undervalued companies across global markets through a contrarian lens while maintaining a strong emphasis on risk management and capital preservation. The firm manages both long/short and long-only global equity strategies, allowing for flexibility in navigating different 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 Naya Capital Management UK Limited.
Similar Investment Style
Based on Long/Short Equity.
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Frequently asked questions
How is the simulated portfolio for Naya Capital Management UK Limited 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 Naya Capital Management UK Limited's largest holding?
As of the latest filing, Naya Capital Management UK Limited's top position is Humana Inc (HUM), representing 42.9% of the portfolio. This reflects a high-conviction bet by the institution.
What is Naya Capital Management UK Limited's historical performance and risk profile?
Our simulation indicates a total return of +55.7% with a win rate of 100%. Notably, the portfolio maintains a Sharpe Ratio of 3.67, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Naya Capital Management UK Limited primarily invest in?
Naya Capital Management UK Limited has a strong preference for the Healthcare Plans sector, which makes up 67.7% of their disclosed assets. The portfolio also has exposure to Entertainment, indicating a specific thematic focus.
Is Naya Capital Management UK Limited's portfolio concentrated or diversified?
Naya Capital Management UK Limited runs a highly concentrated portfolio with 3 disclosed positions. The top 3 holdings alone account for 100.0% of the total portfolio weight, suggesting a strategy that favors deep research into a few key names.
How has Naya Capital Management UK Limited performed in 2026?
Our AI-simulated model portfolio for Naya Capital Management UK Limited tracks a Year-to-Date (YTD) return of +42.8%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Masroor Siddiqui manage Naya Capital Management UK Limited directly?
Yes, Masroor Siddiqui serves as the key portfolio manager for Naya Capital Management UK Limited, overseeing the investment strategy and final capital allocation decisions.