BSMS vs IBMR

BSMSBInvesco BulletShares 2028 Municipal Bond ETF

IBMRAiShares iBonds Dec 2029 Term Muni Bond ETF

In short

BSMS A ladder rung in a wrapper: roughly 2,200 municipal bonds that all come due by 2028, when the fund is designed to terminate. Most bond funds roll forever. This one has an end date on the box.

IBMR A muni ladder rung in one ticker: it holds investment-grade municipal bonds maturing in 2029, tracks an AMT-free index, and pays monthly. Bond-style term structure, ETF plumbing.

Stated mandate

BSMS The Fund seeks to track the Invesco BulletShares USD Municipal Bond 2028 Index by investing primarily in U.S.-dollar-denominated municipal securities issued by U.S. states, state agencies, or local governments. It uses representative sampling and is designed to terminate in December 2028.

IBMR The fund seeks to track an index of investment-grade municipal bonds that mature in 2029.

Why people hold it

• BSMS Built to terminate in December 2028, so the position resolves on a known date instead of rolling into new bonds indefinitely.invesco.com
• Spreads across roughly 2,200 municipal issues from US states, agencies and local governments using representative sampling, so no single borrower carries the portfolio.
• Pays monthly, and the diversified muni portfolio is one of the sturdier builds among target-maturity funds.
• Live since 2019 and part of Invesco's long-running BulletShares lineup, which runs the same defined-maturity playbook across corporate and muni years.invesco.com

• IBMR Charges 0.10% a year, right at the median for target-maturity bond funds, and the iBonds lineup is built so maturity years stack into a ladder.
• Spreads across more than a thousand investment-grade munis, so one issuer's trouble barely moves the fund.
• Follows an AMT-free index, screening out bonds whose income can trip the alternative minimum tax.
• Pays monthly, matching how muni income is usually spent, and holds a well-built portfolio for its category.

Worth knowing

• BSMS At 0.18% a year, it costs more than the typical target-maturity fund, and more than BulletShares corporate rungs like BSCT and BSCU at 0.10%.
• Trading is moderate rather than heavy, so the market here is thinner than in the largest target-maturity funds.
• By design the portfolio shortens as 2028 nears: bonds mature, proceeds sit in shorter paper, and the fund acts less like a bond fund over time.

• IBMR Munis are the tax-advantaged lane. For the same 2029 rung in taxable bonds, iShares also runs IBDU (corporate) and IBTJ (Treasury).
• The index is callable-adjusted: plenty of munis can be redeemed early by their issuers, so the mix heading into the term date can shift.
• It is a fund, not a single bond. Shares trade at market prices and move with rates along the way, and the end payout is whatever the bonds deliver.

Full BSMS profile⁠

Full IBMR profile⁠