Munis March On: Intermediate ETFs Lead a Near $1 Billion Inflow Week

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Weekly Channel Summary

The FI: Municipal ETF channel currently oversees a total Assets Under Management (AUM) of $204B across 137 ETFs, managed by 48 distinct issuers. Despite a slightly challenging week for municipal bonds from a performance standpoint, the channel continues to attract strong capital. Over the past 5 days, the category gathered $986M in net new assets. This steady growth brings Year-to-Date (YTD) flows to an impressive $16.14B, while the 1-Year flow total stands at a robust $48.07B, underscoring persistent demand for tax-exempt fixed-income strategies.

This Week’s Performance Leaders and Laggards

The municipal bond space experienced modest pullbacks this week, with all major categories posting negative Week-to-Date (WTD) returns. The Short duration category was the most resilient, falling just -0.08%, while the Long duration category was the primary laggard, dropping -0.31%. Despite the weekly dip, all categories remain in positive territory for the Year-to-Date (YTD) period, led by the High Yield segment at 1.60%.

Category Performance Snapshot

Category WTD 1 Month 3 Month 6 Month YTD 1 Year
Short -0.08% 0.26% 0.16% 1.30% 0.74% 3.82%
High Yield -0.17% 1.15% 0.65% 1.98% 1.60% 6.56%
Intermediate -0.24% 0.78% 0.13% 1.37% 0.92% 6.09%
Single State -0.25% 0.86% 0.37% 1.41% 1.04% 5.67%
Long -0.31% 1.04% 0.78% 1.50% 1.34% 6.29%

Top & Bottom 5 ETFs by Weekly Performance

Looking at individual funds, the best-performing ETF for the week was the F/m Ultrashort Tax-Free Municipal ETF (ZMUN), which managed to notch a 0.06% gain amid broader declines. On the other end of the spectrum, the Rareview Tax Advantaged Income ETF (RTAI) and the Hartford Schroders Tax-Aware Bond ETF (HTAB) were the most notable laggards, returning -0.56% and -0.41%, respectively.

Ticker Fund Name WTD Performance
Top Performers
ZMUN F/m Ultrashort Tax-Free Municipal ETF 0.06%
XMPT VanEck CEF Muni Income ETF 0.06%
PVI Invesco Floating Rate Municipal Income ETF 0.06%
AMUN Abrdn Ultra Short Muncipal Income Active ETF 0.06%
SHYM iShares Short Duration High Yield Muni Active ETF 0.01%
Bottom Performers
RTAI Rareview Tax Advantaged Income ETF -0.56%
HTAB Hartford Schroders Tax-Aware Bond ETF -0.41%
NMB Simplify National Muni Bond ETF -0.41%
BAB Invesco Taxable Municipal Bond ETF -0.40%
LMUB iShares Long-Term National Muni Bond ETF -0.40%

Analyzing the Weekly Flows

Investors added a net $986M to the FI: Municipal channel this week. The Intermediate duration category was the clear favorite, absorbing $843M in inflows, which brings its total category AUM to $163.6B. The Short duration category also saw healthy interest with $94M in new capital. While the major duration categories broadly saw net inflows, certain specialized segments or specific active funds naturally experienced outflows as investors rotated their tax-exempt positioning.

Category Flows Summary

Category Fund Count AUM 5 Day 30 Day 90 Day YTD 1 Year
Intermediate 100 $163.6B $843M $3,438M $6,488M $11,671M $36,149M
Short 27 $32.3B $94M $193M $1,610M $2,086M $8,900M
Long 10 $7.9B $48M $272M $2,198M $2,383M $3,022M

Top & Bottom 5 ETFs by 5-Day Flow

The Vanguard Tax-Exempt Bond ETF (VTEB) led all individual funds in asset gathering with a robust $219M in inflows over the past 5 days. Conversely, the First Trust Ultra Short Duration Municipal ETF (FUMB) and the NYLI MacKay Muni Insured ETF (MMIN) saw the largest absolute outflows, shedding $12M and $10M, respectively.

Ticker Fund Name 5-Day Flow
Inflows
VTEB Vanguard Tax-Exempt Bond ETF $219M
MUB iShares National Muni Bond ETF $107M
JMUB JPMorgan Municipal ETF $71M
FLMI Franklin Dynamic Municipal Bond ETF $40M
VTEC Vanguard California Tax-Exempt Bond ETF $37M
Outflows
FUMB First Trust Ultra Short Duration Municipal ETF -$12M
MMIN NYLI MacKay Muni Insured ETF -$10M
JMST JPMorgan Ultra-Short Municipal Income ETF -$5M
FCAL First Trust California Municipal High Income ETF -$5M
FLMB Franklin Municipal Green Bond ETF -$4M

Issuer League Table Update

iShares and Vanguard continue to dominate the FI: Municipal issuer landscape, holding 32.72% and 25.09% of the channel’s AUM, respectively. Vanguard led the pack in recent asset gathering, capturing $302M in weekly inflows across its product suite. On the downside, First Trust experienced the heaviest outflows among top issuers, losing $7M over the past five days.

Top 5 Issuers by AUM

Brand Fund Count AUM AUM Market Share
iShares 10 $66.68B 32.72%
Vanguard 8 $51.13B 25.09%
JPMorgan 4 $14.32B 7.03%
Capital Group 3 $9.86B 4.84%
SPDR 5 $9.47B 4.65%

Top & Bottom 3 Issuers by 5-Day Flow

Brand 5-Day Flow
Inflows
Vanguard $302M
iShares $222M
JPMorgan $70M
Outflows
First Trust -$7M
New York Life Investments -$5M
BNY Mellon -$1M

For a deeper dive into these trends, access our FREE, in-depth Municipal ETF reports in the right side panel of this page.

Disclosures

This material is for informational purposes only and should not be considered investment advice. All investments, including ETFs, involve risk, including the possible loss of principal. Investors should consider their investment objectives, risks, charges, and expenses carefully before investing.

This analysis was developed by the team at ETF Action. We leverage advanced AI tools to assist in the drafting and refinement of our content, based on our expert prompts, direction, and final review.