AGGA vs IUSB

AGGACEA Astoria Dynamic Core US Fixed Income ETF

IUSBAiShares Core Universal USD Bond ETF

In short

AGGA AGGA doesn't buy bonds. It buys bond ETFs, with an active manager at Astoria shifting the mix and aiming to beat the plain vanilla aggregate index. A 2025 launch charging 0.55% for that judgment.

IUSB Most core bond funds stop at investment grade. IUSB keeps going, folding high-yield USD debt into the same wrapper across roughly 18,000 bonds, for 0.06% a year.

Stated mandate

AGGA The Fund seeks current income. It is actively managed and invests primarily in other U.S. fixed income ETFs to provide core fixed-income exposure while seeking to outperform broad fixed-income benchmarks.

IUSB The Fund seeks to track an index of U.S.-dollar-denominated bonds spanning investment-grade and high-yield sectors.

Why people hold it

• AGGA One ticker, an outsourced bond desk. The manager moves between US fixed income ETFs instead of tracking a fixed index sleeve, and the mandate reaches beyond the US into emerging market debt.
• Income is the stated job, not a byproduct. The prospectus objective is current income, and the fund pays on a monthly schedule.
• The portfolio matches the label: core US fixed income assembled from other bond ETFs, which is exactly what the filing describes, with no structural red flags on the record.

• IUSB 0.06% a year, a fraction of what the typical broad bond fund in its category charges, and iShares has run it since 2014.
• Roughly 18,000 bonds spanning investment-grade and high-yield sectors, so one ticker covers ground a plain Agg tracker leaves on the table.ishares.com
• Tracks its index closely, trades heavily, and sits on a multi-billion-dollar asset base. Income is paid monthly.
• Among the strongest implementations in a crowded field of nearly 200 core bond funds.

Worth knowing

• AGGA At 0.55%, you pay for the active call on top of whatever the underlying ETFs charge. Index core bond funds like BND, SCHZ and SPAB charge a small fraction of that.
• Launched in April 2025, so there is little history to judge the manager by, and it is not among the heavily traded names in its category. Limit orders matter.
• It sits in the lower half of a crowded core bond peer group, where cheap index giants set the bar.

• IUSB That high-yield sleeve is the trade-off: more credit risk than an investment-grade-only fund, and more movement when spreads widen.
• BND, SPAB and SCHZ charge 0.03%, half IUSB's fee, but they stay inside investment grade.
• Payouts land monthly, but the amount floats with the coupons underneath. Nothing about the income stream is fixed.

Full AGGA profile⁠

Full IUSB profile⁠