Three Stocks Are Joining the S&P 500. Will They Actually Improve VOO’s Returns?
Vanguard S&P 500 ETF (VOO) will add Bloom Energy (BE), Illumina (ILMN), and another company, while removing Molson Coors (TAP), The Trade Desk (TTD), and Builders FirstSource (BLDR). BE's product revenue surged 215% due to AI demand, and ILMN raised EPS guidance. The changes have minimal impact on VOO's returns, as the fund is heavily concentrated in megacap stocks.
How this was made
The 30-second read
Why it matters
The index rebalance introduces small‑cap growth names while shedding lower‑growth, dividend‑paying stocks, slightly shifting sector tilt.
Market read
The change affects passive fund allocations and may cause short‑term price moves in the five affected stocks.
What to watch
Potential supply‑chain constraints for Bloom Energy and regulatory scrutiny for Illumina could temper upside.
Background
Vanguard's VOO tracks the S&P 500; its performance is dominated by the top ten holdings.
Ticker impact
Bloom Energy added to the S&P 500, with product revenue up 215% and full-year guidance raised to $3.9‑$4.2B.
Short‑term rally on inclusion, medium‑term upside if guidance holds.
Index additions often trigger buying from passive funds; guidance beat supports price appreciation.
Illumina joins the S&P 500; Q2 revenue up 9% and EPS guidance raised to $5.30‑$5.40.
Small bump on inclusion, sustained by higher guidance.
Guidance lift is modest; index weight is tiny, so impact limited.
Molson Coors removed from the S&P 500 after a 7x forward P/E and 4.9% dividend yield.
Potential short‑term dip as passive holdings unwind.
Weight is minimal, but removal may affect sentiment.
The Trade Desk exits the S&P 500 as revenue growth fell from 19% to 3%.
Likely modest decline on removal.
Growth slowdown plus index removal compounds negative outlook.
Builders FirstSource removed from the S&P 500; forward P/E 14x.
Minor price pressure on removal day.
Small index weight limits market impact.
Market effects
Increased exposure to AI‑powered fuel‑cell and genomics sectors; reduced weight in cyclical consumer staples and ad‑tech.
U.S. index funds will adjust holdings; minimal effect on non‑U.S. markets.
S&P 500 composition change may influence global passive fund flows and sector sentiment.
Counterpoint
The tiny index weights mean the additions will not materially improve VOO returns; focus on megacap drivers instead.
Key entities
- ETFVanguard S&P 500 ETF
Tracks the S&P 500 and will adjust holdings on Sep 21.
- Index ProviderS&P Dow Jones Indices
Announced the composition change.
