John Ameriks

Chief Investment Officer and Head of Quantitative and Strategic Equity, Vanguard Portfolio Management

FundVanguard Portfolio Management LLC$2.22T

John Ameriks is chief investment officer of Vanguard Portfolio Management, one of the two advisers that now run Vanguard's U.S. funds, and heads its quantitative and strategic equity group.

Funds

The funds John Ameriks runs, and what each reported holding in its latest 13F filing with the SEC.

Vanguard Portfolio Management LLC$2.22TChief Investment Officer and Head of Quantitative and Strategic Equity3,141 positions · 13F as of Jun 30, 2026Largest positionsNvidia4.7%Apple4.4%Microsoft2.8%See the portfolio →

Snapshot

Known for

Heads Vanguard's quantitative and strategic equity investing

Worth knowing

Vanguard Portfolio Management is a separate SEC-registered adviser from Vanguard Capital Management, with its own stewardship and proxy-voting team.

Based: Malvern, Pennsylvania
Role: Chief Investment Officer, Vanguard Portfolio Management
Research: Retirement saving, household finance and financial decision-making