Two Decades of Growth Equity Investing, One Differentiated Approach

Loomis Sayles proudly celebrates the 20-year anniversaries of the Growth Equity Strategies (GES) Team’s Large Cap Growth and All Cap Growth strategies, as well as the team’s differentiated approach to growth equity investing.
Under the leadership of Aziz Hamzaogullari, CFA, Founder, Chief Investment Officer and Portfolio Manager, the GES Team has reached this milestone through a disciplined dedication to their investment philosophy and process, allocating capital rationally based on informed long-term views of risk and reward.
During their two decades of growth equity investing, GES has observed that even great businesses routinely endure significant downside price volatility in the course of generating strong excess returns. Today, the market concentration, passive investing trends and behavioral biases are amplifying investment risks. But the team believes true long-term investing isn’t about avoiding volatility—it’s about owning great companies through it, adhering to disciplined active management rather than succumbing to the fear that temporary drawdowns can trigger for investors. Across the 36 current holdings in the GES Team’s Large Cap Growth strategy, the average holding period is 10 years.1 Watch “It’s not just what we own – it’s how we’ve owned it” to learn about the GES team’s distinctive approach and what gives them the confidence to invest for the long-term in a market fixated on short-term noise.
“Since joining Loomis Sayles in 2010, Aziz and the Growth Equity Strategies (GES) Team have exemplified excellence through their unwavering commitment to pursuing competitive risk-adjusted returns for our clients. Their distinctive investment philosophy, grounded in a disciplined and differentiated approach, has historically driven strong performance. We are immensely proud of the GES Team’s achievements and the lasting impact they continue to make.”
Underpinned by this singular investment philosophy, the GES Team expanded its platform from US-focused Large Cap Growth and All Cap Growth strategies to also include Global Growth and International Growth long-only strategies as well as a Long/Short Growth Equity hedge fund strategy. These strategies are available in the US through vehicles including mutual funds, managed accounts, separate accounts, CITs and an ETF.
1Source: Loomis Sayles, as of 6/30/2026. This portfolio is actively managed and holdings are subject to change.
Important Disclosure:
Past performance is no guarantee of future results.
Any Investment that has the possibility for profits also has the possibility of losses, including the loss of principal. Past performance is no guarantee of future results.
Investments vehicles may not be available to all investors and are subject to eligibility.
Key Risks: Equity Risk, Market Risk, Non-US Securities Risk, Liquidity Risk.
This marketing communication is provided for informational purposes only and should not be construed as investment advice. Investment decisions should consider the individual circumstances of the particular investor. Any opinions or forecasts contained herein, reflect the subjective judgments and assumptions of the authors only, and do not necessarily reflect the views of Loomis, Sayles & Company, L.P. Investment recommendations may be inconsistent with these opinions. There is no assurance that developments will transpire as forecasted and actual results will be different. Information, including that obtained from outside sources, is believed to be correct, but we cannot guarantee its accuracy. This information is subject to change at any time without notice.
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