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Select Equity Group, L.P.
George S. Loening · Hedge Fund · Long/Short Equity
Select Equity Group, L.P. is a New York-based investment firm founded in 1990 by George S. Loening. Initially established with a focus on U.S. small and mid-cap companies, the firm has evolved to manage strategies across large-cap and international markets, as well as private equity through its subsidiary, Astor Place Holdings. Select Equity is defined by its research-intensive, fundamental investment approach, employing an internal team of researchers to gain proprietary insights into business models. The firm manages billions in assets across long-only and long/short equity platforms, emphasizing high-quality companies with durable competitive advantages. Its investment process is strictly bottom-up, focusing on identifying great businesses that are undervalued by the market. Since its inception on Lafayette Street, the firm has remained dedicated to generating superior long-term returns through disciplined, independent analysis and a global perspective on equity markets.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +0.2% |
| YTD return | -1.2% |
| Sharpe ratio | 1.80 |
| Win rate | 43% |
| AUM | $9.9B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $9.9B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.selectequity.com |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| LYV | Live Nation Entertainment Inc | 7.7% | +3.4% |
| VIK | Viking Holdings Ltd | 7.4% | +36.5% |
| ITT | ITT Inc | 6.9% | +11.3% |
| WAB | Westinghouse Air Brake Technologies Corp | 6.9% | +38.5% |
| LH | Laboratory Corporation of America Holdings | 6.3% | +21.2% |
| SGI | Somnigroup International Inc. | 6.0% | -21.3% |
| MKL | Markel Corporation | 5.9% | -5.6% |
| NDAQ | Nasdaq Inc | 5.3% | +2.8% |
| MLM | Martin Marietta Materials Inc | 5.1% | -17.3% |
| TSM | Taiwan Semiconductor Manufacturing | 4.5% | +37.9% |
| BAESY | BAE Systems PLC | 4.3% | 0.0% |
| STE | STERIS plc | 4.1% | -12.5% |
| CRH | CRH PLC ADR | 4.1% | -26.0% |
| TDG | Transdigm Group Incorporated | 4.0% | -8.3% |
| ALC | Alcon AG | 3.9% | -12.4% |
| V | Visa Inc. Class A | 3.9% | -3.5% |
| HUBB | Hubbell Inc | 3.8% | -2.7% |
| ENTG | Entegris Inc | 3.5% | +5.8% |
| BRO | Brown & Brown Inc | 3.3% | -13.7% |
| EME | EMCOR Group Inc | 3.2% | -3.9% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 14, 2026 | SELL | MLM | 5.1% → 5.1% |
| Sep 14, 2026 | BUY | EME | 0.0% → 3.2% |
| Sep 14, 2026 | BUY | TDG | 4.0% → 4.0% |
| Sep 14, 2026 | BUY | WAB | 6.7% → 6.9% |
| Sep 14, 2026 | SELL | NVDA | 3.2% → 0.0% |
Investment Style Analysis
Select Equity Group, L.P. is widely recognized for employing a Long/Short Equity strategy. As of Sep 18, 2026, the firm oversees approximately $9.9B in assets under management (AUM). The portfolio demonstrates a clear preference for the Building Materials and Aerospace & Defense sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 14, Select Equity Group, L.P. made a significant move by reducing the position in MLM. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Select Equity Group’s investment philosophy is grounded in three core tenets: owning great businesses, conducting rigorous independent research, and practicing disciplined investing. The firm employs a bottom-up, fundamental approach to identify high-quality companies with sustainable competitive advantages and strong management teams. Utilizing a large internal research division that includes a field research team, the firm seeks to understand businesses more deeply than the broader market through continuous granular research. It avoids market timing, instead waiting for the market to present opportunities to deploy capital at attractive discounts to intrinsic values. This long-term, research-driven methodology is applied consistently across its various global and domestic equity strategies.
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 Select Equity Group, L.P..
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Frequently asked questions
How is the simulated portfolio for Select Equity Group, 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 Select Equity Group, L.P.'s largest holding?
As of the latest filing, Select Equity Group, L.P.'s top position is Live Nation Entertainment Inc (LYV), representing 7.7% of the portfolio. This reflects a high-conviction bet by the institution.
What is Select Equity Group, L.P.'s historical performance and risk profile?
Our simulation indicates a total return of +0.2% with a win rate of 43%. Notably, the portfolio maintains a Sharpe Ratio of 1.80, suggesting an strong level of risk-adjusted returns compared to the broader market.
What sectors does Select Equity Group, L.P. primarily invest in?
Select Equity Group, L.P. has a strong preference for the Building Materials sector, which makes up 9.1% of their disclosed assets. The portfolio also has exposure to Aerospace & Defense, indicating a specific thematic focus.
Is Select Equity Group, L.P.'s portfolio concentrated or diversified?
Select Equity Group, L.P. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 22.0% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Select Equity Group, L.P. performed in 2026?
Our AI-simulated model portfolio for Select Equity Group, L.P. tracks a Year-to-Date (YTD) return of -1.2%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does George S. Loening manage Select Equity Group, L.P. directly?
Yes, George S. Loening serves as the key portfolio manager for Select Equity Group, L.P., overseeing the investment strategy and final capital allocation decisions.