BBMC vs IMCB

BBMCBJPMorgan BetaBuilders U.S. Mid Cap Equity ETF

IMCBAiShares Morningstar Mid-Cap ETF

In short

BBMC J.P. Morgan's no-frills mid-cap sleeve: roughly 500 U.S. mid caps for 0.07% a year, less than half the typical fee in its peer group. No tilts, no theme, just the middle of the market at a discount.

IMCB Mid-cap America for four basis points, running since 2004. It samples Morningstar's US mid-cap index across roughly 400 stocks and hews to that benchmark about as closely as anything in its category.

Stated mandate

BBMC The fund is designed to provide U.S. mid-cap equity exposure through an indexed approach.

IMCB The Fund seeks to track an index of mid-capitalization U.S. equities. It uses indexing and representative sampling rather than trying to outperform the index.

Why people hold it

• BBMC 0.07% a year against a 0.15% median across its mid-cap cohort. The fee gap is the whole pitch, and it compounds quietly.
• Roughly 500 holdings tracking the Morningstar US Mid Cap Target Market Exposure Extended Index: the broad middle of the U.S. market, not a stockpicker's slice.
• Does one job and stays in its lane. Plain indexed U.S. mid-cap equity, and one of the tightest mandate matches in its peer group.
• Launched in 2020 and already past the billion-dollar mark, with J.P. Morgan's BetaBuilders index lineup behind it.

• IMCB Costs 0.04% a year, against roughly 0.15% typical for the mid-cap group.
• Indexing, not opinions: representative sampling of the Morningstar US Mid Cap Index, with tracking among the tightest in its peer group.ishares.com
• Trading since 2004 and now a multi-billion-dollar fund, so there is a long operating history here, not a launch-year story.
• About 400 names covering both the growth and value sides of US mid caps, so no style tilt is baked in.

Worth knowing

• BBMC Thinly traded next to category giants like VO and SCHM, so bid-ask spreads can run wider, especially in fast-moving markets.
• Cheap, not cheapest: VO and SCHM sit at 0.03% for similar broad mid-cap exposure.
• Pure mid cap, so no mega-cap ballast to steady the ride, and income arrives quarterly rather than monthly.

• IMCB Thinly traded next to the category's household names, so spreads and order handling matter more at the moment of a trade.
• All US, all stocks: mid caps move harder than mega caps, and nothing else in the portfolio cushions an equity selloff.
• VO and SCHM cover similar ground at 0.03%, so the cost edge here is over the group average rather than over the cheapest rivals.

Full BBMC profile⁠

Full IMCB profile⁠