ETF comparison
SPTM vs VB
US Total Market vs US Small Cap.
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF · Vanguard Morningstar Small-Cap ETF
Holdings overlap
1,003 positions appear in both funds. Buying equal dollars of SPTM and VB would leave roughly 10.4% 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 (0.030% vs 0.030%).
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 SPTM vs VB.
Top shared holdings
1,003 shared in total| # | Holding | In SPTM | In VB | Overlap |
|---|---|---|---|---|
| 1 | Flex Ltd | 0.08% | 0.36% | 0.08% |
| 2 | Jabil Inc | 0.06% | 0.49% | 0.06% |
| 3 | Qnity Electronics Inc | 0.05% | 0.21% | 0.05% |
| 4 | EMCOR Group Inc | 0.05% | 0.45% | 0.05% |
| 5 | Twilio Inc | 0.05% | 0.38% | 0.05% |
| 6 | Centene Corp | 0.05% | 0.19% | 0.05% |
| 7 | Carpenter Technology Corp | 0.05% | 0.35% | 0.05% |
| 8 | EQT Corp | 0.04% | 0.20% | 0.04% |
| 9 | Curtiss-Wright Corp | 0.04% | 0.34% | 0.04% |
| 10 | Steel Dynamics Inc | 0.04% | 0.19% | 0.04% |
| 11 | Hubbell Inc | 0.04% | 0.17% | 0.04% |
| 12 | Illumina Inc | 0.04% | 0.31% | 0.04% |
Only in SPTM
505 total- NVIDIA Corp 6.92%
- Apple Inc 6.07%
- Microsoft Corp 3.96%
- Amazon.com Inc 3.33%
- Alphabet Inc 2.99%
- Broadcom Inc 2.56%
- Alphabet Inc 2.38%
- Micron Technology Inc 1.86%
- Meta Platforms Inc 1.76%
- Tesla Inc 1.69%
Only in VB
306 total- Credo Technology Group Holding Ltd 0.55%
- REVOLUTION Medicines Inc 0.46%
- Astera Labs Inc 0.45%
- Natera Inc 0.45%
- FTAI Aviation Ltd 0.34%
- SoFi Technologies Inc 0.28%
- Affirm Holdings Inc 0.26%
- Liberty Media Corp-Liberty Formula One 0.25%
- Guardant Health Inc 0.23%
- IonQ Inc 0.19%
Related comparisons
More comparisons with SPTM
- SPTM vs SCHD · Schwab U.S. Dividend Equity ETF 7.3%
- SPTM vs IJH · iShares Core S&P Mid-Cap ETF 5.2%
- SPTM vs IWM · iShares Russell 2000 ETF 2.7%
- SPTM vs IJR · iShares Core S&P Small-Cap ETF 2.5%
- SPTM vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 95.2%
- SPTM vs VTI · Vanguard Morningstar Total Stock Market ETF 94.9%
More comparisons with VB
Percentages are holdings overlap with the named fund.
Open SPTM 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.