ETF comparison
BBUS vs IWM
US Total Market vs US Small Cap.
JPMorgan BetaBuilders U.S. Equity ETF · iShares Russell 2000 ETF
Holdings overlap
0 positions appear in both funds. Buying equal dollars of BBUS and IWM would leave roughly 0.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
BBUS is 17 bps cheaper than IWM. On a $100,000 position that's about $170/yr more in fees for IWM.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with BBUS vs IWM.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in BBUS
468 total- NVIDIA Corp. 7.30%
- Apple, Inc. 7.03%
- Microsoft Corp. 5.36%
- Amazon.com, Inc. 4.14%
- Alphabet, Inc. 3.23%
- Broadcom, Inc. 2.81%
- Alphabet, Inc. 2.61%
- Meta Platforms, Inc. 1.89%
- Berkshire Hathaway, Inc. 1.47%
- JPMorgan Chase & Co. 1.47%
Only in IWM
2,014 total- Moog, Inc. 0.38%
- Hut 8 Corp. 0.37%
- Viasat, Inc. 0.35%
- BrightSpring Health Services, Inc. 0.35%
- Cytokinetics, Inc. 0.35%
- MaxLinear, Inc. 0.34%
- Argan, Inc. 0.34%
- UMB Financial Corp. 0.33%
- JFrog Ltd. 0.31%
- Riot Platforms, Inc. 0.30%
Related comparisons
More comparisons with BBUS
More comparisons with IWM
- IWM vs CGDV · Capital Group Dividend Value ETF 0.0%
- IWM vs CGGR · Capital Group Growth ETF 0.0%
- IWM vs CGUS · Capital Group Core Equity ETF 0.0%
- IWM vs COWZ · Pacer US Cash Cows 100 ETF 0.0%
- IWM vs DEM · WisdomTree Emerging Markets High Dividend Fund 0.0%
- IWM vs DGS · WisdomTree Emerging Markets SmallCap Dividend Fund 0.0%
Percentages are holdings overlap with the named fund.
Open BBUS or IWM at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.