Investors Flee to T-Bills as Core ETFs Attract Cash Amid Market Selloff

Date: 2026-03-30 The Weekly Report's Time Range: 3.23-3.27

Market Overview

The week’s net inflows suggest a cautious investor stance, with capital favoring short-term U.S. Treasury-based vehicles and core equity benchmarks. The strongest inflows went to ETFs offering exposure to 1-3 month T-bills and broad U.S. equity indices, which could point to defensive positioning amid a broadly negative performance across most major ETF categories. Sector and thematic funds, as well as non-U.S. equity products, saw weaker inflows by comparison. This may reflect a shift toward capital preservation and core holdings rather than risk-on or thematic bets, possibly in response to a broader equity market correction. However, no specific macroeconomic event is cited in the data, so the trend is interpreted as a general market response rather than a directional signal.

ETF Highlights

BIL (State Street SPDR Bloomberg 1-3 Month T-Bill ETF): This ETF, which offers exposure to short-term U.S. Treasury bills, attracted inflows amid a week of broad market declines. With a 0.27% price change and $49.64B in AUM, the inflow could suggest a shift toward cash-equivalent assets as a defensive move. Its performance is relatively stable, potentially making it an attractive alternative to more volatile equity or sector ETFs.

SGOV (iShares 0-3 Month Treasury Bond ETF): Like BIL, this fund tracks short-term U.S. Treasury securities, reinforcing a theme of capital moving toward low-risk, fixed-income instruments. With $83.07B in AUM and a 0.27% change in price, the inflow may indicate a broad preference for liquidity and stability, particularly in a week where most large ETFs posted negative returns.

SPY (State Street SPDR S&P 500 ETF Trust): As the largest ETF with $636.74B in AUM and a -7.01% return for the week, SPY still attracted inflows, which may indicate continued demand for broad U.S. equity exposure despite negative performance. The inflow could reflect long-term positioning or a belief that current valuation levels may offer an entry point for investors.

IVV (iShares Core S&P 500 ETF): This core U.S. equity ETF, with $702.15B in AUM and a -7.00% return, also attracted inflows. Its size and low-cost nature make it a popular choice for long-term investors. The inflow may suggest continued confidence in the S&P 500 despite the week’s losses.

SPYM (State Street SPDR Portfolio S&P 500 ETF): Similar to SPY and IVV, this fund offers exposure to the S&P 500 and has $113.16B in AUM. The -6.96% return and inflow may indicate a continued appetite for core equity benchmarks, with investors possibly viewing these large-cap ETFs as safer than more concentrated or sector-based alternatives.

HYG (iShares iBoxx $ High Yield Corporate Bond ETF): This ETF, which tracks high-yield corporate bonds, posted a -2.37% return and attracted inflows. The inflow may suggest that investors continue to seek yield despite the sector’s poor performance, although the overall market environment remains uncertain.

VEA (Vanguard FTSE Developed Markets ETF): With $198.78B in AUM and a -0.67% return, VEA’s inflow may reflect a cautious approach to international equity markets. The ETF tracks developed markets outside the U.S. and its relatively stable performance could make it an attractive alternative to more volatile equity sectors.

XLF (State Street Financial Select Sector SPDR ETF): This sector ETF, which tracks the financials sector, posted a significant -12.71% return and attracted inflows. The inflow could possibly reflect a view that the sector is oversold or that long-term positioning in financials remains attractive despite short-term volatility.

CGDV (Capital Group Dividend Value ETF): With $28.53B in AUM and a -4.45% return, CGDV’s inflow may indicate a continued interest in dividend-paying equities. The ETF’s name suggests a value-oriented approach, and the inflow could reflect a belief that value stocks may offer better returns in the current market environment.

KLMN (Invesco MSCI North America Climate ETF): This ETF, with $1.49B in AUM and a -7.06% return, attracted inflows. The ETF’s name implies a focus on climate-related equities in North America, and the inflow could possibly suggest that investors continue to see thematic value in this space despite a weak week for the ETF.

Notable Trends / Surprises

Two of the top inflows went to ETFs tracking short-term U.S. Treasury instruments (BIL and SGOV), highlighting a clear preference for liquidity and low-risk assets during a week of broad market weakness. Additionally, multiple S&P 500-focused ETFs (SPY, IVV, SPYM) appeared in the top inflows, indicating continued demand for broad U.S. equity exposure despite significant negative performance. These patterns collectively suggest a defensive posture from investors, with a focus on capital preservation and core benchmarks.

Conclusion

The week’s fund flows may indicate a shift toward defensive positioning, with investors favoring short-term Treasury instruments and core U.S. equity ETFs. The inflows could suggest a desire to preserve capital during a period of volatility and to maintain exposure to core benchmarks for long-term returns. However, the negative performance across most ETF categories highlights the broader market’s downward trend, and further directional signals will depend on future inflow patterns and performance data.