VOO & Chill: Why Vanguard’s S&P 500 ETF is Beating SPY and IVV - State Street SPDR S&P 500 ETF Trust (ARC
Vanguard S&P 500 ETF (VOO) has seen $139.4B inflows this year, surpassing last year's $137B, with AUM at $1.07T. VOO's low 0.03% fee and structural advantages over SPY and IVV are cited as reasons for its popularity. SPY and IVV have seen outflows. S&P 500 earnings growth and technical indicators suggest a potential rebound.
How this was made
The 30-second read
Why it matters
Shift in investor preference toward lower‑expense VOO may affect relative performance of SPY and IVV.
Market read
ETF flow dynamics can drive short‑term price moves and inform allocation decisions among S&P 500 index funds.
What to watch
Potential impact of upcoming Fed policy on equity flows not discussed.
Background
ETF inflow/outflow data from ETF Db for major S&P 500 ETFs in 2026.
Ticker impact
SPY recorded $3.6B outflows in 2026, lowering its AUM to $800B.
Possible short-term downside pressure.
Outflows contrast sharply with VOO inflows, indicating a shift in investor preference.
Market effects
Highlights shift toward lower‑fee S&P 500 ETFs, may pressure higher‑cost peers.
U.S. equity ETF market sees reallocation of capital.
ETF flow trends can influence global index fund allocations.
Counterpoint
Outflows from SPY could present a buying opportunity if price overreacts.
Key entities
- Asset ManagerVanguard
Provider of VOO ETF.
- Asset ManagerState Street
Provider of SPY and SPYM ETFs.
- Asset ManageriShares
Provider of IVV ETF.

