Home / Leaderboard / Weiss Asset Management, LLC
Weiss Asset Management, LLC
Andrew Weiss · Hedge Fund · Multi-Strategy
Weiss Asset Management is a Boston-based investment firm founded in 1991 by academic economist Andrew Weiss. The firm employs a multi-strategy approach specializing in deep value and event-driven investing across global markets. By blending rigorous fundamental research with statistical analysis, Weiss Asset Management seeks to identify mispriced assets and economic anomalies. The institution manages capital for a diverse range of institutional clients, including pensions, endowments, and charitable foundations, while maintaining a strong commitment to intellectual rigor and risk management. It is recognized for its collaborative, academic-inspired culture and data-driven decision-making processes, which aim to deliver high risk-adjusted returns regardless of broader market conditions.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +5.7% |
| YTD return | +11.2% |
| Sharpe ratio | -1.36 |
| Win rate | 52% |
| AUM | $3.1B |
| Inception | Oct 1, 2025 |
| Updated | Sep 11, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $3.1B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://weissasset.com |
Current Holdings
Updated on Sep 11, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| NVDA | NVIDIA Corporation | 38.7% | +15.4% |
| MU | Micron Technology Inc | 23.7% | +4.5% |
| TSLA | Tesla Inc | 5.1% | -6.6% |
| HOOD | Robinhood Markets Inc | 4.3% | +8.0% |
| TBPH | Theravance Biopharma Inc | 4.1% | +10.1% |
| MSTR | MicroStrategy Incorporated | 2.9% | -31.8% |
| ROIV | Roivant Sciences Ltd | 2.8% | +17.6% |
| BMNR | Bitmine Immersion Technologies, Inc. | 2.5% | +34.6% |
| SPCX | SPAC and New Issue ETF | 2.4% | +6.8% |
| MRVL | Marvell Technology Group Ltd | 2.0% | +9.0% |
| CVX | Chevron Corp | 1.8% | +6.0% |
| UAL | United Airlines Holdings Inc | 1.5% | -0.7% |
| MLTX | MoonLake Immunotherapeutics | 1.2% | -20.1% |
| KKR | KKR & Co LP | 1.2% | +0.8% |
| CEG | Constellation Energy Corp | 1.2% | +2.9% |
| CDE | Coeur Mining Inc | 1.2% | -2.6% |
| BRK-A | Berkshire Hathaway Inc | 0.9% | +1.1% |
| IREN | IREN Ltd | 0.9% | -1.9% |
| GD | General Dynamics Corporation | 0.9% | -6.2% |
| QXO | QXO, Inc. | 0.9% | -8.9% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 7, 2026 | SELL | CDE | 1.2% → 1.2% |
| Sep 7, 2026 | BUY | MU | 22.9% → 23.7% |
| Sep 7, 2026 | SELL | MLTX | 1.3% → 1.2% |
| Sep 7, 2026 | BUY | MSTR | 2.7% → 2.9% |
| Sep 7, 2026 | SELL | SWX | 0.9% → 0.0% |
Investment Style Analysis
Weiss Asset Management, LLC is widely recognized for employing a Multi-Strategy strategy. As of Sep 11, 2026, the firm oversees approximately $3.1B in assets under management (AUM). The portfolio demonstrates a clear preference for the Semiconductors and Biotechnology sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 7, Weiss Asset Management, LLC made a significant move by reducing the position in CDE. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
The core investment philosophy of Weiss Asset Management is rooted in the identification and exploitation of market inefficiencies through a combination of deep fundamental analysis and quantitative modeling. Established by a team with strong academic backgrounds, the firm focuses on uncovering 'economic anomalies'—situations where market prices deviate significantly from intrinsic value. Their approach is analytically rigorous, emphasizing integrity and rational decision-making over conventional wisdom. By maintaining a global, multi-strategy mandate, they are able to deploy capital across diverse asset classes and geographies, including niche areas like closed-end fund arbitrage and distressed debt, always with a primary focus on capital preservation and risk control.
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 Weiss Asset Management, LLC.
Similar Investment Style
Based on Multi-Strategy.
- Sandoz Family Office SA — Marc Duc · 3M -8.4%
- BB Gestão de Recursos - Distribuidora de Títulos e Valores Mobiliários S.A. — Denísio Liberato · 3M +4.1%
- Wolverine Trading, LLC — Robert Bellick · 3M -1.2%
- Amundi Asset Management US, Inc. — Marco Pirondini · 3M -0.3%
Frequently asked questions
How is the simulated portfolio for Weiss Asset Management, LLC 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 Weiss Asset Management, LLC's largest holding?
As of the latest filing, Weiss Asset Management, LLC's top position is NVIDIA Corporation (NVDA), representing 38.7% of the portfolio. This reflects a high-conviction bet by the institution.
What is Weiss Asset Management, LLC's historical performance and risk profile?
Our simulation indicates a total return of +5.7% with a win rate of 52%. Notably, the portfolio maintains a Sharpe Ratio of -1.36, suggesting an standard level of risk-adjusted returns compared to the broader market.
What sectors does Weiss Asset Management, LLC primarily invest in?
Weiss Asset Management, LLC has a strong preference for the Semiconductors sector, which makes up 64.4% of their disclosed assets. The portfolio also has exposure to Biotechnology, indicating a specific thematic focus.
Is Weiss Asset Management, LLC's portfolio concentrated or diversified?
Weiss Asset Management, LLC runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 67.5% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Weiss Asset Management, LLC performed in 2026?
Our AI-simulated model portfolio for Weiss Asset Management, LLC tracks a Year-to-Date (YTD) return of +11.2%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Andrew Weiss manage Weiss Asset Management, LLC directly?
Yes, Andrew Weiss serves as the key portfolio manager for Weiss Asset Management, LLC, overseeing the investment strategy and final capital allocation decisions.