Aaron Socker

Portfolio Specialist

Aaron Socker is a portfolio specialist for William Blair’s U.S. growth and core equity strategies. Before joining the firm in 2022, he spent six years as a portfolio specialist at Allspring Global Investments (formerly Wells Fargo Asset Management), covering emerging markets equity and U.S. core equity strategies. Before that, he spent five years as a research analyst at Allspring, covering U.S. small- and mid-cap companies across sectors. He began his career as an associate on Allspring’s U.S. growth equity team. Aaron received a B.S. in corporate finance from Marquette University, where he participated in the Applied Investment Management program.

Large-Cap Growth: Navigating Index Concentration

Aaron Socker
U.S. Equity

Over the past decade, large-cap growth indices have delivered strong returns relative to many asset classes. But as index concentration has risen over this period, the largest issuers have become an increasingly sizable portion of...

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