Data as of Oct 28, 2026.

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BBMC vs IWC: Differences, Returns & Fees

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Over the year to Oct 28, 2026, BBMC returned +17.6% to IWC's +16.5%; 0% of their weight is in the same names.

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Net assets: $2.1bn on Oct 28, 2026 for JPMorgan BetaBuilders U.S. Mid Cap Equity ETF, and $1.2bn on Oct 27, 2026 for iShares Micro-Cap ETF.

At a glance
+17.6%
BBMC total return, 1 year
+16.5%
IWC total return, 1 year
0.07%
BBMC expense ratio
0.60%
IWC expense ratio

Pair scorecard

BBMC costs 0.53 points a year less; their one-year returns differ by 1.1 points; BBMC is 1.8 times larger.

BBMC vs IWC: Differences, Returns & Fees
MeasureBBMCIWC
Return
Total return, 1 year+17.6%+16.5%
Drawdown
Below its high5.2%, high on Aug 14, 20269.5%, high on Aug 14, 2026
Benchmark
What it tracksMorning- star US Mid Cap Target Market Exposure Extended IndexRussell Microcap Index
Cost and size
Expense ratio0.07%0.60%
Net assets, as of Oct 27, 2026$2.1bn$1.2bn
Holdings
Holdings in common0%
Top ten holdings, share of the fund8.1%5.9%

Holdings in common uses holdings dated Oct 27, 2026. Method

Risk and return

Apr 24, 2020 to Oct 23, 2026 · 339 weekly returns
BBMC IWC
Return
Total return edge Tie +159.6% +161.2%
Annualized edge Tie +15.8% +15.9%
Price return edge IWC (slight) +139.6% +143.2%
Risk
Volatility edge BBMC 19.9% 24.3%
Max drawdown edge BBMC −29.2% −41.1%
Risk-adjusted
Sharpe edge BBMC 0.68 0.60
Sortino edge BBMC 1.04 0.92
Calmar edge BBMC 0.54 0.39
Reading

BBMC and IWC returned about the same: +159.6% and +161.2%. BBMC swung less: 19.9% to 24.3%. BBMC fell less at its worst: −29.2% to −41.1%.

Full scorecard

9 measures, with how each is measured
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Risk and return: BBMC vs IWC: Differences, Returns & Fees
MeasureBBMCIWCEdgeHow it is measured
Return
Total return+159.6%+161.2%TiePrice change plus distributions, reinvested.
Annualized+15.8%+15.9%TieTotal return as a yearly rate.
Price return+139.6%+143.2%IWC (slight)Price change alone, distributions left out.
Risk
Volatility19.9%24.3%BBMCSpread of weekly returns, annualized. Lower is steadier.
Downside deviation13.1%15.9%BBMCLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−29.2%−41.1%BBMCDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.680.60BBMCReturn above Treasury bills per unit of volatility.
Sortino1.040.92BBMCReturn above Treasury bills per unit of downside deviation.
Calmar0.540.39BBMCAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 339 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

0%

By the books each fund has filed, BBMC and IWC hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first BBMC IWC
Only in one fund ↓
Only in BBMC
MODERNA INC COMMON STOCK 1.61%
NATERA INC COMMON STOCK 1.23%
OKTA INC COMMON STOCK 0.83%
REVOLUTION MEDICINES INC 0.82%
ATLASSIAN CORP COMMON 0.76%
WILLIAMS-SONOMA INC 0.65%
TECHNIPFMC PLC COMMON 0.59%
CASEY'S GENERAL STORES 0.57%
Only in IWC
CAREDX 0.88%
PENGUIN SOLUTIONS INC 0.73%
NURIX THERAPEUTICS 0.63%
SELLAS LIFE SCIENCES GROUP INC 0.60%
VIRIDIAN THERAPEUTICS ORS 0.59%
OUSTER 0.53%
INTERFACE 0.52%
STRIVE INC CLASS A 0.50%
Check overlap with more funds →

Side by side

BBMC JPMorgan BetaBuilders U.S. Mid Cap Equity ETF IWC iShares Micro-Cap ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks the Russell Microcap
Total return, 1 year +17.6% +16.5%
Its benchmark over the same days not measured +13.3% (IWV)
Gap to its benchmark not measured +3.2 pts vs IWV
Expense ratio 0.07% 0.60%
Already in the S&P 500 21.3% 91.7%
Holdings 459 1365
Net assets, BBMC as of Oct 28, 2026 and IWC as of Oct 27, 2026 $2.1bn $1.2bn

BBMC and IWC on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-2BDE2DA257

BBMC and IWC are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. BBMC follows Morning- star US Mid Cap Target Market Exposure Extended Index and IWC follows Russell Microcap Index.
  2. Holdings in common. 0% of the weight is in the same securities (holdings dated Oct 27, 2026).
  3. Cost. BBMC charges 0.07% of assets a year and IWC 0.60%, a gap of 0.53 points.

Data as of Oct 28, 2026.

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About each fund
BBMC

BBMC tracks an index. Over the year to Oct 28, 2026 it returned +17.6% with distributions reinvested. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer for Oct 27, 2026, 21% of the fund by weight is stocks the S&P 500 also holds, across 459 positions, with the top ten at 8.1%. It sat 5.2% below its high of Aug 14, 2026 on Oct 28, 2026.

IWC

Over the year to Oct 28, 2026 it returned +16.5% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.

IWC tracks the Russell Microcap. The prospectus expense ratio is 0.60% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,365 positions, with the top ten at 5.9%. It sat 9.5% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, BBMC or IWC?
In the year to Oct 28, 2026, with distributions reinvested, BBMC returned +17.6% and IWC +16.5%.
Which is cheaper, BBMC or IWC?
BBMC is cheaper, by 0.53 percentage points a year. That is about $53 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do BBMC and IWC overlap with the S&P 500?
By their latest filed holdings, 21% of BBMC and 92% of IWC by weight is stocks the S&P 500 already holds.
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ETFIQ, BBMC against IWC, data as of Oct 28, 2026. https://etfiq.com/compare/any/bbmc-vs-iwc

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