ETF comparison
BBMC vs VB
US Mid Cap vs US Small Cap.
JPMorgan BetaBuilders U.S. Mid Cap Equity ETF · Vanguard Small-Cap Index Fund ETF Shares
Holdings overlap
546 positions appear in both funds. Buying equal dollars of BBMC and VB would leave roughly 60.7% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VB is 4 bps cheaper than BBMC. On a $100,000 position that's about $40/yr more in fees for BBMC.
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 BBMC vs VB.
Top shared holdings
546 shared in total| # | Holding | In BBMC | In VB | Overlap |
|---|---|---|---|---|
| 1 | Tapestry, Inc. | 0.60% | 0.40% | 0.40% |
| 2 | TechnipFMC plc | 0.58% | 0.39% | 0.39% |
| 3 | Ciena Corp. | 1.49% | 0.38% | 0.38% |
| 4 | Casey's General Stores, Inc. | 0.60% | 0.38% | 0.38% |
| 5 | Jabil, Inc. | 0.67% | 0.37% | 0.37% |
| 6 | Natera, Inc. | 0.56% | 0.37% | 0.37% |
| 7 | United Therapeutics Corp. | 0.45% | 0.36% | 0.36% |
| 8 | Curtiss-Wright Corp. | 0.53% | 0.35% | 0.35% |
| 9 | Lumentum Holdings, Inc. | 1.28% | 0.35% | 0.35% |
| 10 | Coherent Corp. | 1.13% | 0.31% | 0.31% |
| 11 | Williams-Sonoma, Inc. | 0.43% | 0.30% | 0.30% |
| 12 | XPO, Inc. | 0.52% | 0.30% | 0.30% |
Only in BBMC
11 total- Sandisk Corp. 3.06%
- JPMorgan U.S. Government Money Market Fund 0.96%
- Reddit, Inc. 0.37%
- Tradeweb Markets, Inc. 0.26%
- Rocket Cos., Inc. 0.26%
- Autoliv, Inc. 0.16%
- CRISPR Therapeutics AG 0.10%
- Centrus Energy Corp. 0.07%
- Freedom Holding Corp. 0.05%
- Liberty Global Ltd. 0.04%
Only in VB
765 total- EMCOR Group Inc 0.46%
- NRG Energy Inc 0.43%
- Atmos Energy Corp 0.43%
- Expand Energy Corp 0.37%
- FTAI Aviation Ltd 0.35%
- Comfort Systems USA Inc 0.34%
- Flex Ltd 0.34%
- Omnicom Group Inc 0.33%
- Smurfit Westrock PLC 0.29%
- SoFi Technologies Inc 0.28%
Open BBMC or VB 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.