ETF comparison
BBUS vs SPYM
US Total Market vs US Large Cap.
JPMorgan BetaBuilders U.S. Equity ETF · State Street SPDR Portfolio S&P 500 ETF
Holdings overlap
422 positions appear in both funds. Buying equal dollars of BBUS and SPYM would leave roughly 92.2% 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
Expense ratios are effectively identical (0.020% vs 0.020%).
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 SPYM.
Top shared holdings
422 shared in total| # | Holding | In BBUS | In SPYM | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp. | 7.30% | 7.51% | 7.30% |
| 2 | Apple, Inc. | 7.03% | 6.59% | 6.59% |
| 3 | Microsoft Corp. | 5.36% | 4.29% | 4.29% |
| 4 | Amazon.com, Inc. | 4.14% | 3.62% | 3.62% |
| 5 | Alphabet, Inc. | 3.23% | 3.25% | 3.23% |
| 6 | Broadcom, Inc. | 2.81% | 2.77% | 2.77% |
| 7 | Alphabet, Inc. | 2.61% | 2.59% | 2.59% |
| 8 | Meta Platforms, Inc. | 1.89% | 1.92% | 1.89% |
| 9 | Micron Technology, Inc. | 1.44% | 2.02% | 1.44% |
| 10 | Eli Lilly & Co. | 1.43% | 1.47% | 1.43% |
| 11 | Berkshire Hathaway, Inc. | 1.47% | 1.42% | 1.42% |
| 12 | Tesla, Inc. | 1.36% | 1.83% | 1.36% |
Only in BBUS
46 total- ExxonMobil Holdings Corp. 1.00%
- Snowflake, Inc. 0.15%
- Cloudflare, Inc. 0.14%
- MercadoLibre, Inc. 0.14%
- Cheniere Energy, Inc. 0.09%
- Bloom Energy Corp. 0.09%
- Ferguson Enterprises, Inc. 0.07%
- Astera Labs, Inc. 0.07%
- Rocket Lab Corp. 0.05%
- Credo Technology Group Holding Ltd. 0.05%
Only in SPYM
84 total- Exxon Mobil Corp 0.88%
- Honeywell Aerospace Inc 0.11%
- Qnity Electronics Inc 0.05%
- Tapestry Inc 0.05%
- Casey's General Stores Inc 0.05%
- Williams-Sonoma Inc 0.04%
- Cboe Global Markets Inc 0.04%
- Moderna Inc 0.04%
- CH Robinson Worldwide Inc 0.03%
- Viatris Inc 0.03%
Related comparisons
More comparisons with BBUS
- BBUS vs IVV · iShares Core S&P 500 ETF 92.2%
- BBUS vs VOO · Vanguard S&P 500 ETF 92.0%
- BBUS vs DFUS · Dimensional U.S. Equity Market ETF 90.3%
- BBUS vs SPY · State Street SPDR S&P 500 ETF Trust 89.9%
- BBUS vs SCHK · Schwab 1000 ETF 89.4%
- BBUS vs SPTM · State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF 87.0%
More comparisons with SPYM
- SPYM vs SPTM · State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF 92.1%
- SPYM vs SCHX · Schwab U.S. Large-Cap ETF 91.9%
- SPYM vs IWB · iShares Russell 1000 ETF 91.7%
- SPYM vs VONE · Vanguard Russell 1000 Index Fund ETF Shares 90.6%
- SPYM vs SCHK · Schwab 1000 ETF 90.5%
- SPYM vs SPY · State Street SPDR S&P 500 ETF Trust 89.7%
Percentages are holdings overlap with the named fund.
Open BBUS or SPYM 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.