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Assenagon Asset Management S.A.
Hans Günther Bonk · Asset Manager · Quant/Systematic
Assenagon Asset Management S.A. is an independent European asset manager founded in 2007 by Hans Günther Bonk and Vassilios Pappas. Headquartered in Luxembourg with major operations in Munich and Zurich, the firm specializes in active risk management and quantitative investment solutions. Assenagon manages over 80 billion euros in assets, offering specialized opportunities across equities, fixed income, multi-asset strategies, and volatility. The company is recognized for its expertise in financial engineering and the systematic management of capital market risks, catering to a diverse client base of institutional investors and distribution partners through UCITS-compliant funds and bespoke mandates.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +27.7% |
| YTD return | +21.0% |
| Sharpe ratio | 3.13 |
| Win rate | 49% |
| AUM | $40.0B |
| Inception | Oct 1, 2025 |
| Updated | Sep 21, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $40.0B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.assenagon.com |
Current Holdings
Updated on Sep 21, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| NVDA | NVIDIA Corporation | 14.4% | +17.9% |
| MSFT | Microsoft Corporation | 12.8% | +1.8% |
| AAPL | Apple Inc | 12.3% | +31.8% |
| AMZN | Amazon.com Inc | 11.3% | +16.6% |
| GOOGL | Alphabet Inc Class A | 9.8% | +36.7% |
| AMD | Advanced Micro Devices Inc | 6.7% | +110.8% |
| BRK-A | Berkshire Hathaway Inc | 4.2% | +0.8% |
| INTC | Intel Corporation | 4.1% | +88.1% |
| TSLA | Tesla Inc | 3.0% | -15.0% |
| SNDK | Sandisk Corp | 2.6% | -5.1% |
| SNPS | Synopsys Inc | 2.4% | -12.6% |
| UBS | UBS Group AG | 2.2% | -2.0% |
| ABBNY | ABB Ltd | 2.2% | 0.0% |
| NVS | Novartis AG ADR | 2.1% | -6.3% |
| AVGO | Broadcom Inc | 1.9% | -8.4% |
| META | Meta Platforms Inc. | 1.8% | +12.3% |
| CFRUY | Compagnie Financiere Richemont | 1.5% | 0.0% |
| COST | Costco Wholesale Corp | 1.5% | -2.0% |
| TXN | Texas Instruments Incorporated | 1.5% | -12.9% |
| LLY | Eli Lilly and Company | 1.4% | +4.4% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 14, 2026 | BUY | INTC | 3.6% → 4.1% |
| Sep 14, 2026 | BUY | AMD | 6.1% → 6.7% |
| Sep 14, 2026 | SELL | ABBNY | 2.3% → 2.2% |
| Sep 14, 2026 | BUY | SNPS | 2.7% → 2.4% |
| Sep 14, 2026 | BUY | UBS | 2.2% → 2.2% |
Investment Style Analysis
Assenagon Asset Management S.A. is widely recognized for employing a Quant/Systematic strategy. As of Sep 21, 2026, the firm oversees approximately $40.0B in assets under management (AUM). The portfolio demonstrates a clear preference for the Semiconductors and Software - Infrastructure sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 14, Assenagon Asset Management S.A. made a significant move by increasing exposure to INTC. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Assenagon's investment philosophy is centered on the active and systematic management of capital market risks. The firm's approach is guided by four core principles: diversification, flexibility, active management, and a focus on intrinsic value. They treat volatility as a distinct asset class and utilize advanced financial mathematics and data-driven models to achieve stable returns within predefined risk budgets. By emphasizing the manageability of risk over market intuition, Assenagon seeks to provide transparent, fact-based investment outcomes that leverage their specialized expertise in financial engineering and quantitative analysis.
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 Assenagon Asset Management S.A..
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Frequently asked questions
How is the simulated portfolio for Assenagon Asset Management S.A. 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 Assenagon Asset Management S.A.'s largest holding?
As of the latest filing, Assenagon Asset Management S.A.'s top position is NVIDIA Corporation (NVDA), representing 14.4% of the portfolio. This reflects a high-conviction bet by the institution.
What is Assenagon Asset Management S.A.'s historical performance and risk profile?
Our simulation indicates a total return of +27.7% with a win rate of 49%. Notably, the portfolio maintains a Sharpe Ratio of 3.13, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Assenagon Asset Management S.A. primarily invest in?
Assenagon Asset Management S.A. has a strong preference for the Semiconductors sector, which makes up 28.7% of their disclosed assets. The portfolio also has exposure to Software - Infrastructure, indicating a specific thematic focus.
Is Assenagon Asset Management S.A.'s portfolio concentrated or diversified?
Assenagon Asset Management S.A. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 39.6% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Assenagon Asset Management S.A. performed in 2026?
Our AI-simulated model portfolio for Assenagon Asset Management S.A. tracks a Year-to-Date (YTD) return of +21.0%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Hans Günther Bonk manage Assenagon Asset Management S.A. directly?
Yes, Hans Günther Bonk serves as the key portfolio manager for Assenagon Asset Management S.A., overseeing the investment strategy and final capital allocation decisions.