ETF Daily Fund Inflow Report

Date: September 19, 2025

Headline: Broad Equity Focus with Sector Rotation as YTD Performers Attract Capital

Market Overview
Today’s fund flows reflect sustained investor confidence in equities, with the top 10 ETFs dominated by broad market and large-cap U.S. exposures. While the S&P 500-focused complex (IVV, VOO, OEF) led inflows, allocations also extended into growth-oriented and sector-specific plays, suggesting a mixed strategy of core positioning and selective rotation. Notably, aerospace and gold ETFs—both up over 40% year-to-date—secured significant inflows, hinting at renewed interest in cyclical and inflation-sensitive assets. Treasury bond allocations, though lower in magnitude, indicate some balancing of portfolios amid macroeconomic uncertainty.

ETF Highlights
The iShares S&P 100 ETF (OEF) and iShares Core S&P 500 ETF (IVV) attracted over $3.4B and $2.35B, respectively, underscoring continued demand for blue-chip equity exposure. These funds, with AUM exceeding $22B each, likely served as core holdings for investors seeking broad market participation. The Vanguard S&P 500 ETF (VOO), with $2.34B in inflows and $795B in AUM, further reinforces the S&P 500’s role as a benchmark anchor.

The iShares U.S. Equity Factor Rotation Active ETF (DYNF), up 15.26% YTD, drew $1.96B, possibly reflecting tactical interest in active strategies that adjust to market cycles. Meanwhile, the Vanguard Growth ETF (VUG), up 17.06%, added $1.83B, aligning with growth stocks’ recent outperformance. The iShares U.S. Aerospace & Defense ETF (ITA), surging 40.00% YTD, secured $1.60B, potentially signaling bets on defense sector strength amid geopolitical dynamics.

Sector and size diversification was evident in the Vanguard Small-Cap ETF (VB, +7.22% YTD) and iShares 10-20 Year Treasury Bond ETF (TLH, +3.25% YTD), which captured $1.12B and $872M, respectively. The iShares Gold Trust (IAU), up 40.24% YTD, added $780M, aligning with gold’s rally against inflation concerns. The Vanguard Total Stock Market ETF (VTI) rounded out the top 10 with $740M, highlighting enduring appeal for total market exposure.

Notable Trends
The presence of high-YTD performers like ITA and IAU suggests a rotation into assets that have meaningfully outperformed the broader market. While S&P 500 ETFs remain dominant, the relative strength of sector and commodity plays could indicate a shift toward more active positioning. The aerospace and gold inflows, in particular, highlight divergent macro views—cyclical optimism and inflation hedging—coexisting within today’s flow patterns.

Conclusion
Today’s flows signal a broadly risk-on sentiment, with equity inflows outpacing bond and commodity allocations. The emphasis on S&P 500 and growth ETFs points to continued faith in large-cap equities, while select sector and factor plays suggest investors are layering in positions amid evolving market dynamics. The strong YTD performance of aerospace and gold-related funds may indicate a cautious optimism, balancing long-term growth and short-term macro hedges.