AGG vs BKFI

AGGAiShares Core U.S. Aggregate Bond ETF

BKFICBNY Mellon Active Core 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.

BKFI An actively run core bond portfolio in a corner of the market ruled by three-basis-point index trackers. Roughly 300 bonds picked by a manager chasing income plus capital appreciation, at active-management prices.

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.

BKFI The ETF seeks total return through capital appreciation and 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.

• BKFI Genuinely active: a manager selects the roughly 300 holdings and can shift sectors and issues, rather than replicating whatever the aggregate index happens to hold.
• The strategy's track record dates to 1987, decades of running core bonds before it arrived in an ETF wrapper.
• Diversification is a strong point: hundreds of positions spread across the core bond market instead of a handful of concentrated bets.
• The mandate is total return, so current income and price appreciation are both in play, not yield alone.

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.

• BKFI At 0.40% it sits above the category median of 0.36%, and well above the 0.03% charged by index heavyweights like BND, SPAB and SCHZ.
• Assets sit in the smaller tier of this category and trading is moderate, so bid-ask spreads can run wider than at the giant index funds.
• Payouts follow an irregular schedule rather than a fixed monthly rhythm.

Full AGG profile⁠

Full BKFI profile⁠