IGLB vs ZTEN

IGLBAiShares 10+ Year Investment Grade Corporate Bond ETF

ZTENBF/M 10-Year Investment Grade Corporate Bond Etf

In short

IGLB The long end of the iShares corporate ladder: only investment-grade company bonds with more than ten years left to run. Interest-rate sensitivity isn't a side effect here, it's the design.

ZTEN Most corporate bond funds smear across a maturity range. ZTEN parks on one point of the curve: investment-grade corporates with roughly nine and a half to ten and a half years left, held in even slices and refreshed monthly.

Stated mandate

IGLB The fund seeks to track an index of U.S. dollar-denominated investment-grade corporate bonds with remaining maturities longer than ten years. It provides exposure to long-duration, high-quality corporate credit and seeks income.

ZTEN The fund seeks to track, before fees and expenses, the price and yield performance of the ICE 10-Year US Target Maturity Corporate Index.

Why people hold it

• IGLB Fee is 0.04% a year, a sliver of what the typical investment-grade corporate bond fund charges.
• Roughly 3,800 bonds in one ticker, with income paid out monthly rather than quarterly.
• The 10+ slice of a maturity-cut iShares lineup (IGSB 1-5, IGIB 5-10), so duration is chosen by picking a slice instead of blending funds.
• Tracks the ICE BofA 10+ Year US Corporate Index closely and trades actively, putting it among the stronger builds in a crowded corporate bond field.

• ZTEN Precision instead of a range: it targets bonds within about six months either side of the 10-year mark, so the exposure stays a 10-year exposure rather than drifting shorter.fminvest.com
• Even weighting across holdings, which keeps the biggest serial borrowers from swallowing the portfolio the way they can in size-weighted corporate indexes.fminvest.com
• 0.15% a year, below the typical investment-grade corporate ETF fee, with income paid monthly.
• Roughly 300 developed-market investment-grade bonds under the hood, so any single issuer stumble lands as a small slice, not a headline.

Worth knowing

• IGLB Ten-years-and-out maturities mean the sharpest price swings in investment-grade corporates when yields move. Duration is the feature and the risk.
• Company bonds, not Treasuries: prices react to credit spreads as well as rates, and investment grade still carries downgrade risk.
• No short-maturity ballast by design, so nothing inside the fund steadies the ride when the long end sells off.

• ZTEN The broad index giants cost a fraction of this. VCIT and IGIB run in the low single-digit basis points, but they spread across a maturity band instead of one target year.
• Launched in 2024, still a small fund and thinly traded, so spreads can be wider than in the mega-funds and hurried orders can print away from fair value.
• Ten-year paper swings more with rates than short-dated corporate funds like IGSB. That is the price of sitting further out on the curve.

Full IGLB profile⁠

Full ZTEN profile⁠