News release Vanguard Celebrates 50th Anniversary of Vanguard 500 Index FundMilestone marks five decades of expanding investor access, lowering costs, and helping millions build long-term wealth VALLEY FORGE, PA (August 31, 2026) – Today marks the 50th anniversary of First Index Investment Trust, the fund that would become Vanguard 500 Index Fund. Its creation helped usher in a new era of investing by providing investors with broad market exposure through a simple, accessible approach. The fund