On this day, 50 years ago, Vanguard launched the first publicly available S&P 500 index fund
u/blorg ·
Reddit — r/investing
· August 31, 2026 at 13:58
· ⬆ 59 pts
· 💬 12 comments
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Summary
Post commemorates 50th anniversary of Vanguard's first S&P 500 index fund.
Highlights Vanguard 500's $1.67T in assets and index funds surpassing active US stock fund assets by ~50%.
Thesis: Passive indexing is a durable, transformational investment structure.
Quality assessment: Well-sourced informational post citing Morningstar/ICI data; not speculative DD or an actionable trade thesis.
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>On Aug. 31, the first index mutual fund will celebrate its 50th birthday. On that day in 1976, an upstart fund company by the name of Vanguard run by the late John C. Bogle launched the first publicly available S&P 500 index mutual fund. A half-century later, all share classes of the fund, including the investor share class of Vanguard 500 Index VFINX, have $1.67 trillion in assets. According to the Investment Company Institute, index mutual funds and exchange-traded funds comprise 50% more assets than actively managed US stock funds.
https://www.morningstar.com/funds/index-fund-turns-50-how-jack-bogle-changed-investing-forever