According to Eric Balchunas, ETFs took in a record $1.48 trillion in 2025, roughly $6 billion per day and 28% above last year’s record; he added that VOO led with $138 billion in net inflows, 18% above its prior record, and 3,525 ETFs, or 72% of the total, posted net inflows based on his final leaderboard update on X (source: Eric Balchunas, Jan 2, 2026).

According to @KobeissiLetter, investors are piling into equity ETFs at a record pace led by the Vanguard S&P 500 ETF VOO. According to @KobeissiLetter, VOO saw 40.5 billion of inflows last week, the largest weekly intake this year. According to @KobeissiLetter, VOO’s year-to-date net inflows hit 163.7 billion, the largest on record for a single ETF, underscoring risk-on sentiment in US equities.