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Loomis Sayles

John J. Slavik, CFA

Loomis, Sayles & Company

John Slavik is a co-portfolio manager at Loomis, Sayles & Company, where he co-manages the Loomis Sayles Specialty Growth Strategies. He has over 30 years of investment industry experience. John joined Loomis Sayles in 2005, where he co-founded the new small cap growth strategy. Before joining Loomis Sayles, he was a portfolio manager for Westfield Capital Management, LLC where he helped manage small and small/mid-cap growth assets. Previously, John was vice president of equity research at Harbor Capital Management, where he held research responsibilities and was a member of the growth product portfolio management team. Prior to that, he was an associate portfolio manager and research analyst at Phoenix Investment Counsel.

John is a CFA® charterholder and a member of CFA Society Boston. He earned a BA, cum laude, from the University of Connecticut.

Funds managed

Loomis Sayles Small Cap Growth Fund

Ticker
LSSIX
Lower-volatility approach for investing in high-growth small-cap US companies. Managers use a proprietary growth screen, fundamental analysis and a stop-loss trigger.
Total net assets
$2.21 billion
as of 09/29/2025
Morningstar category
Small Growth

Loomis Sayles Small/Mid Cap Growth Fund

Ticker
LSMIX
Lower-volatility way to invest in high-growth, small and mid-cap US companies. Managers use a proprietary growth screen fundamental analysis and a stop-loss trigger.
Total net assets
$249.11 million
as of 09/29/2025
Morningstar category
Mid-Cap Growth

Loomis, Sayles & Company

Loomis, Sayles & Company helps meet the needs of institutional and mutual fund clients worldwide with performance-driven investment teams backed by deep proprietary research and a system of integrated risk analysis.

CFA® and Chartered Financial Analyst® are registered trademarks owned by the CFA Institute.

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