ETF comparison
SPSM vs VTI
US Small Cap vs US Total Market.
State Street SPDR Portfolio S&P 600 Small Cap ETF · Vanguard Morningstar Total Stock Market ETF
Holdings overlap
597 positions appear in both funds. Buying equal dollars of SPSM and VTI would leave roughly 2.5% 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 SPSM vs VTI.
Top shared holdings
597 shared in total| # | Holding | In SPSM | In VTI | Overlap |
|---|---|---|---|---|
| 1 | FormFactor Inc | 0.68% | 0.02% | 0.02% |
| 2 | Molina Healthcare Inc | 0.65% | 0.02% | 0.02% |
| 3 | Viasat Inc | 0.66% | 0.02% | 0.02% |
| 4 | BrightSpring Health Services Inc | 0.60% | 0.02% | 0.02% |
| 5 | Element Solutions Inc | 0.59% | 0.02% | 0.02% |
| 6 | MaxLinear Inc | 0.58% | 0.02% | 0.02% |
| 7 | Argan Inc | 0.60% | 0.01% | 0.01% |
| 8 | Krystal Biotech Inc | 0.53% | 0.01% | 0.01% |
| 9 | ESCO Technologies Inc | 0.49% | 0.01% | 0.01% |
| 10 | Match Group Inc | 0.48% | 0.01% | 0.01% |
| 11 | Alkermes PLC | 0.47% | 0.01% | 0.01% |
| 12 | Everus Construction Group Inc | 0.46% | 0.01% | 0.01% |
Only in SPSM
7 total- Kulicke & Soffa Industries Inc 0.38%
- SolarEdge Technologies Inc 0.19%
- OneSpaWorld Holdings Ltd 0.16%
- Adient PLC 0.08%
- Dorian LPG Ltd 0.07%
- CONTRA APELLIS PHARMAC 0.00%
- Tobira Therapeutics Inc 0.00%
Only in VTI
2,907 total- NVIDIA Corp 6.36%
- Apple Inc 5.87%
- Microsoft Corp 3.83%
- Amazon.com Inc 3.19%
- Alphabet Inc 2.90%
- Broadcom Inc 2.47%
- Alphabet Inc 2.28%
- Micron Technology Inc 1.80%
- Meta Platforms Inc 1.71%
- Tesla Inc 1.64%
Related comparisons
More comparisons with SPSM
- SPSM vs SCHB · Schwab U.S. Broad Market ETF 2.4%
- SPSM vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 2.0%
- SPSM vs SCHD · Schwab U.S. Dividend Equity ETF 1.1%
- SPSM vs IWD · iShares Russell 1000 Value ETF 0.7%
- SPSM vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 0.7%
- SPSM vs DGRO · iShares Core Dividend Growth ETF 0.5%
More comparisons with VTI
- VTI vs IJR · iShares Core S&P Small-Cap ETF 2.5%
- VTI vs VIOO · Vanguard S&P Small-Cap 600 Index Fund ETF Shares 2.5%
- VTI vs VNQ · Vanguard Real Estate Index Fund ETF Shares 2.2%
- VTI vs PEY · Invesco High Yield Equity Dividend Achievers ETF 2.2%
- VTI vs AVUV · Avantis US Small Cap Value ETF 1.8%
- VTI vs IJS · iShares S&P Small-Cap 600 Value ETF 1.7%
Percentages are holdings overlap with the named fund.
Open SPSM or VTI 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.