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Route One Investment Company, L.P.
William Duhamel · Hedge Fund · Value
Route One Investment Company, L.P. is a San Francisco-based investment management firm founded in 2010 by former partners of Farallon Capital Management, including William F. Duhamel, Jr. and Jason E. Moment. The firm operates as a global investment partnership, primarily serving as an investment adviser to private hedge funds. Route One is recognized for its disciplined, research-intensive approach to identifying opportunities in equity, credit, and commodity markets worldwide. The firm maintains a relatively concentrated portfolio and seeks businesses with sustainable competitive advantages and high-quality management teams that are trading at attractive valuations. With a long-term investment horizon, the firm aims to deliver absolute returns through deep fundamental analysis and rigorous risk management.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +4.3% |
| YTD return | -0.9% |
| Sharpe ratio | 2.25 |
| Win rate | 55% |
| AUM | $2.7B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $2.7B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | http://www.routeonecap.com |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| GWRE | Guidewire Software Inc | 14.1% | -29.5% |
| AMZN | Amazon.com Inc | 10.1% | +15.0% |
| POST | Post Holdings Inc | 9.2% | -29.0% |
| SCHW | Charles Schwab Corp | 8.9% | +10.4% |
| GOOGL | Alphabet Inc Class A | 7.4% | +40.8% |
| UNH | UnitedHealth Group Incorporated | 7.1% | +11.2% |
| TMO | Thermo Fisher Scientific Inc | 6.4% | +22.1% |
| NYT | New York Times Company | 6.2% | +26.8% |
| KRC | Kilroy Realty Corp | 5.7% | -8.9% |
| MELI | MercadoLibre Inc. | 4.7% | +2.4% |
| TBBB | BBB Foods Inc. | 4.0% | +31.9% |
| HLF | Herbalife Nutrition Ltd | 3.8% | +34.6% |
| VIST | Vista Oil Gas ADR | 3.1% | +17.5% |
| VEEV | Veeva Systems Inc Class A | 2.2% | +5.6% |
| PCOR | Procore Technologies Inc | 2.2% | -24.3% |
| MA | Mastercard Inc | 1.6% | -5.1% |
| V | Visa Inc. Class A | 1.5% | -3.6% |
| BMA | Banco Macro SA B ADR | 0.9% | -1.3% |
| GGAL | Grupo Financiero Galicia SA ADR | 0.9% | -3.9% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 31, 2026 | SELL | POST | 11.8% → 9.2% |
| Aug 31, 2026 | SELL | VIST | 3.8% → 3.1% |
| Aug 31, 2026 | BUY | TBBB | 2.4% → 4.0% |
| Aug 31, 2026 | BUY | SCHW | 6.3% → 8.9% |
| Aug 31, 2026 | SELL | BMA | 1.1% → 0.9% |
Investment Style Analysis
Route One Investment Company, L.P. is widely recognized for employing a Value strategy. As of Sep 18, 2026, the firm oversees approximately $2.7B in assets under management (AUM). The portfolio demonstrates a clear preference for the Software - Application and Internet Retail sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 31, Route One Investment Company, L.P. made a significant move by reducing the position in POST. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Route One employs a fundamental, bottom-up research process to identify investment opportunities across global markets. The firm’s strategy is characterized by a long-term investment horizon and a focus on absolute returns rather than relative benchmarks. It maintains a concentrated portfolio of high-conviction positions in companies with durable competitive advantages and strong management teams, often trading at valuations significantly below their intrinsic value. The investment team conducts deep fundamental due diligence, looking for mispriced securities in equity and credit markets while utilizing tools like short-selling and hedging to manage risk and enhance returns.
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 Route One Investment Company, L.P..
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Frequently asked questions
How is the simulated portfolio for Route One Investment Company, L.P. 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 Route One Investment Company, L.P.'s largest holding?
As of the latest filing, Route One Investment Company, L.P.'s top position is Guidewire Software Inc (GWRE), representing 14.1% of the portfolio. This reflects a high-conviction bet by the institution.
What is Route One Investment Company, L.P.'s historical performance and risk profile?
Our simulation indicates a total return of +4.3% with a win rate of 55%. Notably, the portfolio maintains a Sharpe Ratio of 2.25, suggesting an excellent level of risk-adjusted returns compared to the broader market.
What sectors does Route One Investment Company, L.P. primarily invest in?
Route One Investment Company, L.P. has a strong preference for the Software - Application sector, which makes up 16.3% of their disclosed assets. The portfolio also has exposure to Internet Retail, indicating a specific thematic focus.
Is Route One Investment Company, L.P.'s portfolio concentrated or diversified?
Route One Investment Company, L.P. runs a highly concentrated portfolio with 19 disclosed positions. The top 3 holdings alone account for 33.4% of the total portfolio weight, suggesting a strategy that favors deep research into a few key names.
How has Route One Investment Company, L.P. performed in 2026?
Our AI-simulated model portfolio for Route One Investment Company, L.P. tracks a Year-to-Date (YTD) return of -0.9%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does William Duhamel manage Route One Investment Company, L.P. directly?
Yes, William Duhamel serves as the key portfolio manager for Route One Investment Company, L.P., overseeing the investment strategy and final capital allocation decisions.