AGG vs BAMB

AGGAiShares Core U.S. Aggregate Bond ETF

BAMBDBrookstone Intermediate Bond ETF

In short

AGG Launched in 2003, one of the first funds to pack the entire U.S. investment-grade bond market into a single ticker: Treasuries, corporates and mortgage bonds, three basis points a year, cash paid monthly.

BAMB A 2023-vintage intermediate bond fund with one stated job: current income. The story is the sticker. It charges 1.04% a year in the most commoditized corner of the market, where the index giants work for pennies.

Stated mandate

AGG The fund seeks to track the Bloomberg U.S. Aggregate Bond Index, providing broad exposure to the total U.S. investment-grade bond market.

BAMB The Fund seeks to provide current income.

Why people hold it

• AGG 0.03% a year against a peer-group median near 0.36%. On a bond fund, the fee comes straight out of the coupon, so the gap matters more than it looks.
• A $100 billion-plus fund and very actively traded, the kind of depth that keeps bid-ask costs down for retail-sized orders.
• Tracks the Bloomberg U.S. Aggregate closely, with one of the tightest index-following records in its peer group. Income is distributed monthly.
• Running since 2003, giving it one of the longest track records among U.S. bond index ETFs.

• BAMB Simple mandate, plainly stated: current income from US bonds inside a standard 1940 Act fund. What the portfolio holds lines up closely with what the prospectus says it does.
• Income arrives quarterly, a steady calendar rhythm rather than unpredictable lumps.
• Live since 2023 and past the seed-capital stage, with a real shareholder base rather than a launch balance sitting on the books.

Worth knowing

• AGG Investment grade and U.S. dollar only. High-yield debt and foreign bonds sit outside the mandate, so this is designed as core ballast rather than a yield hunt.
• Rate risk comes as it comes. The index gets tracked whether yields rise or fall, with no manager stepping in to shorten duration.
• The same index is sold by SPAB, SCHZ and BBAG at the same 0.03%. The portfolio is the commodity here; scale and trading depth are the tiebreakers.

• BAMB Cost is the trade-off: 1.04% a year, while core bond index rivals such as BND, SPAB and SCHZ charge 0.03%. That gap comes out of income every year.
• Thinly traded, so the gap between bid and ask can add to the cost of getting in and out.
• In a crowded field of nearly 200 core bond funds, it sits in the lower half, where cheap, broad index trackers set the bar.

Full AGG profile⁠

Full BAMB profile⁠