Home / Leaderboard / Boron Investments B.V.
Boron Investments B.V.
Willem Broekman · Family Office · Multi-Strategy
Boron Investments B.V. is a Dutch private investment firm and the family office of the J.A. Fentener van Vlissingen family. Founded in 1975 by John A. Fentener van Vlissingen, the firm manages a global portfolio of listed and unlisted companies, real estate, and venture capital. Based in Zeist, the institution holds significant long-term positions in major entities such as InterContinental Hotels Group (IHG), Sligro, and Royal Delft, with a specific strategic focus on sectors like travel, hospitality, and retail where the family possesses deep historical expertise.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +26.1% |
| YTD return | +8.7% |
| Sharpe ratio | 3.78 |
| Win rate | 100% |
| AUM | $0.0B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $0.0B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.boron.nl |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| IHG | InterContinental Hotels Group PLC ADR | 100.0% | +26.1% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Oct 1, 2025 | BUY | IHG | 0.0% → 100.0% |
Investment Style Analysis
Boron Investments B.V. is widely recognized for employing a Multi-Strategy strategy. As of Sep 18, 2026, the firm oversees approximately $0.0B in assets under management (AUM). The portfolio demonstrates a clear preference for the Lodging sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Oct 1, Boron Investments B.V. made a significant move by increasing exposure to IHG. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
The institution follows a long-term investment philosophy focused on building a lasting legacy for future generations. It leverages its extensive network and industry-specific expertise in hospitality, travel, and real estate to make disciplined, stable investments. Boron acts as a committed shareholder, emphasizing long-term value creation over short-term gains, while integrating social responsibility through its support of various family foundations and community initiatives.
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 Boron Investments B.V..
Similar Investment Style
Based on Multi-Strategy.
- Sandoz Family Office SA — Marc Duc · 3M -3.2%
- BB Gestão de Recursos - Distribuidora de Títulos e Valores Mobiliários S.A. — Denísio Liberato · 3M +6.6%
- Wolverine Trading, LLC — Robert Bellick · 3M -3.6%
- Amundi Asset Management US, Inc. — Marco Pirondini · 3M -4.4%
Frequently asked questions
How is the simulated portfolio for Boron Investments B.V. 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 Boron Investments B.V.'s largest holding?
As of the latest filing, Boron Investments B.V.'s top position is InterContinental Hotels Group PLC ADR (IHG), representing 100.0% of the portfolio. This reflects a high-conviction bet by the institution.
What is Boron Investments B.V.'s historical performance and risk profile?
Our simulation indicates a total return of +26.1% with a win rate of 100%. Notably, the portfolio maintains a Sharpe Ratio of 3.78, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Boron Investments B.V. primarily invest in?
Boron Investments B.V. has a strong preference for the Lodging sector, which makes up 100.0% of their disclosed assets. The portfolio also has exposure to other industries, indicating a specific thematic focus.
Is Boron Investments B.V.'s portfolio concentrated or diversified?
Boron Investments B.V. runs a highly concentrated portfolio with 1 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 Boron Investments B.V. performed in 2026?
Our AI-simulated model portfolio for Boron Investments B.V. tracks a Year-to-Date (YTD) return of +8.7%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Willem Broekman manage Boron Investments B.V. directly?
Yes, Willem Broekman serves as the key portfolio manager for Boron Investments B.V., overseeing the investment strategy and final capital allocation decisions.