IBDT vs IBDW

IBDTAiShares iBonds Dec 2028 Term Corporate ETF

IBDWBiShares iBonds Dec 2031 Term Corporate ETF

In short

IBDT Acts more like a bond than a bond fund: roughly 700 investment-grade corporate bonds that all mature in 2028, wrapped in one ticker with a defined end date. Built for ladder rungs, monthly distributions and a known finish line.

IBDW A bond ladder rung in ETF form: roughly 600 investment-grade corporate bonds all maturing in 2031, monthly income along the way, then the fund pays out its assets and closes. Individual-bond behavior without the work of picking individual bonds.

Stated mandate

IBDT The fund seeks to track an index of investment-grade corporate bonds maturing in 2028 and is designed to support income generation, bond-ladder construction, and interest-rate-risk management through a defined maturity.

IBDW Seeks to track an index of corporate bonds maturing in 2031 and is structured as a term ETF that will distribute its assets and terminate at or about the funds' maturity date.

Why people hold it

• IBDT The defined 2028 maturity does the work: one ticker behaves like a ladder rung, no hunting down individual bonds or tracking each one's maturity.ishares.com
• About 700 investment-grade corporate bonds inside, so no single issuer carries the outcome the way it would in a handful of hand-picked bonds.
• Costs 0.10% a year, right at the typical fee for target-maturity bond funds, and it is one of the more actively traded names in that group.
• Launched in 2018 and now a multi-billion-dollar fund, it ranks among the strongest implementations in the target-maturity bond group.

• IBDW Behaves like one big bond with a 2031 maturity. It tracks an index of corporates maturing that year, then distributes assets and terminates, so there is a defined end date.ishares.com
• Credit risk is spread across roughly 600 corporate bonds, so a single wobbly borrower is a rounding error rather than a hole in the portfolio.
• Costs 0.10% a year, the going rate in target-maturity land, and it has hugged its Bloomberg index closely since launching in 2021.
• Pays monthly, trades actively, and runs several billion in assets: one of the stronger builds in a crowded target-maturity peer group.

Worth knowing

• IBDT Vanguard's VBCB targets the same 2028 corporate maturity for 0.08%, two basis points cheaper.
• This is corporate credit, not Treasuries. The bonds are investment grade, but downgrades and defaults are still part of the picture.
• It has a finish line. When the 2028 term ends the strategy is over, so the what-next decision lands back with you.ishares.com

• IBDW These are corporate bonds, so you are paid for taking credit risk. Treasury rungs from the same family, like IBTJ, skip that trade-off and cost 0.07%.
• A 2031 maturity sits further out than the near-dated rungs, so the share price swings more when rates move. Selling early means taking the market price, not the maturity payout.
• It ends. When the fund winds up, the money lands back in your account, so a ladder built this way needs a reinvestment plan for the year it matures.ishares.com

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