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Senator Investment Group LP
Douglas Silverman · Hedge Fund · Event-Driven
Senator Investment Group LP is a New York-based investment management firm founded in 2008 by Douglas Silverman and Alexander Klabin. The firm operates as a global multi-strategy investment firm, though it is primarily recognized for its event-driven and value-oriented approach to investing across both public and private markets. Senator focuses on identifying idiosyncratic opportunities where fundamental research can uncover mispriced securities within complex corporate situations. Since its inception, the firm has managed assets for a diverse group of institutional investors, including pensions and endowments, by employing a flexible mandate that allows for investments across the capital structure, including equities, distressed debt, and corporate credit. Following the departure of co-founder Alexander Klabin in 2020, Douglas Silverman assumed leadership of the firm as Managing Partner and CEO.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +15.8% |
| YTD return | +4.7% |
| Sharpe ratio | 3.51 |
| Win rate | 50% |
| AUM | $1.6B |
| Inception | Oct 1, 2025 |
| Updated | Sep 4, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.6B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | http://www.senatorlp.com/ |
Current Holdings
Updated on Sep 4, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| DPC | DPC Holdings PLC | 13.9% | -9.7% |
| V | Visa Inc. Class A | 7.5% | +10.8% |
| UAL | United Airlines Holdings Inc | 7.4% | +18.0% |
| AMZN | Amazon.com Inc | 6.9% | +10.8% |
| TSM | Taiwan Semiconductor Manufacturing | 5.5% | +30.0% |
| WWD | Woodward Inc | 4.7% | +25.5% |
| NVDA | NVIDIA Corporation | 4.6% | +21.1% |
| CVNA | Carvana Co | 4.6% | +8.6% |
| UNH | UnitedHealth Group Incorporated | 4.5% | -1.3% |
| DHR | Danaher Corporation | 4.5% | +20.1% |
| COP | ConocoPhillips | 4.3% | +5.7% |
| AKAM | Akamai Technologies Inc | 4.2% | -16.0% |
| TMO | Thermo Fisher Scientific Inc | 3.8% | +3.6% |
| SN | SharkNinja, Inc. | 3.7% | +60.2% |
| BA | The Boeing Company | 3.7% | -3.2% |
| AVGO | Broadcom Inc | 3.7% | -13.0% |
| PRM | Perimeter Solutions SA | 3.4% | +23.2% |
| META | Meta Platforms Inc. | 3.3% | -7.4% |
| COF | Capital One Financial Corporation | 3.1% | -3.3% |
| AS | Amer Sports, Inc. | 2.8% | -4.1% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 31, 2026 | SELL | FLEX | 3.0% → 0.0% |
| Aug 31, 2026 | SELL | SN | 3.5% → 3.7% |
| Aug 31, 2026 | BUY | DPC | 14.7% → 13.9% |
| Aug 31, 2026 | SELL | DHR | 4.1% → 4.5% |
| Aug 31, 2026 | BUY | TSM | 5.3% → 5.5% |
Investment Style Analysis
Senator Investment Group LP is widely recognized for employing a Event-Driven strategy. As of Sep 4, 2026, the firm oversees approximately $1.6B in assets under management (AUM). The portfolio demonstrates a clear preference for the Other and Semiconductors sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 31, Senator Investment Group LP made a significant move by reducing the position in FLEX. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Senator Investment Group employs a fundamental, research-driven philosophy that prioritizes identifying idiosyncratic, event-driven opportunities across a wide array of asset classes. The firm seeks to exploit market inefficiencies created by complex corporate events—such as mergers, spin-offs, and restructurings—as well as distressed credit situations. By analyzing the entire capital structure, Senator identifies investments in equities and debt where the potential for value realization is driven by specific catalysts rather than broader market movements. This opportunistic approach allows the firm to maintain a flexible mandate, pivoting between different sectors and instruments to capture risk-adjusted returns while emphasizing thorough analytical frameworks and deep structural 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 Senator Investment Group LP.
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Frequently asked questions
How is the simulated portfolio for Senator Investment Group LP 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 Senator Investment Group LP's largest holding?
As of the latest filing, Senator Investment Group LP's top position is DPC Holdings PLC (DPC), representing 13.9% of the portfolio. This reflects a high-conviction bet by the institution.
What is Senator Investment Group LP's historical performance and risk profile?
Our simulation indicates a total return of +15.8% with a win rate of 50%. Notably, the portfolio maintains a Sharpe Ratio of 3.51, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Senator Investment Group LP primarily invest in?
Senator Investment Group LP has a strong preference for the Other sector, which makes up 13.9% of their disclosed assets. The portfolio also has exposure to Semiconductors, indicating a specific thematic focus.
Is Senator Investment Group LP's portfolio concentrated or diversified?
Senator Investment Group LP runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 28.7% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Senator Investment Group LP performed in 2026?
Our AI-simulated model portfolio for Senator Investment Group LP tracks a Year-to-Date (YTD) return of +4.7%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Douglas Silverman manage Senator Investment Group LP directly?
Yes, Douglas Silverman serves as the key portfolio manager for Senator Investment Group LP, overseeing the investment strategy and final capital allocation decisions.