ETF comparison · US core
VOO vs VTI: overlap by weight, TER & holdings
Vanguard S&P 500 ETF vs Vanguard Total Stock Market ETF
VTI holds VOO plus several thousand small and mid caps, but market-cap weighting makes the two portfolios move almost identically. The choice matters less than the decision to pick one and keep buying it.
VOO vs VTI at a glance
| VOO | VTI | |
|---|---|---|
| Fund | Vanguard S&P 500 ETF | Vanguard Total Stock Market ETF |
| ISIN | US9229083632 | US9229087690 |
| Index | S&P 500 | CRSP US Total Market |
| Market exposure | US large cap | Entire US market |
| TER | 0.03% | 0.03% |
| Holdings in fund | 503 | 1,171 |
| Fund size | ≈ 1.7 tn USD | ≈ 2.3 tn USD |
| Domicile | the United States | the United States |
| Replication | Physical (full) | Physical (sampling) |
| Use of income | Distributing | Distributing |
| Launched | Sep 7, 2010 | May 24, 2001 |
Top shared holdings
| VOO | VTI | |
|---|---|---|
| NVDANVDA | 8.09% | 7% |
| AAPLAAPL | 7.04% | 6.42% |
| MSFTMSFT | 5.69% | 5.2% |
| AMZNAMZN | 3.84% | 3.47% |
| GOOGLGOOGL | 3.01% | 2.74% |
| AVGOAVGO | 2.65% | 2.42% |
| GOOGGOOG | 2.39% | 2.16% |
| METAMETA | 1.9% | 1.73% |
| MUMU | 1.63% | 1.49% |
| TSLATSLA | 1.56% | 1.43% |
| LLYLLY | 1.38% | 1.36% |
| JPMJPM | 1.44% | 1.31% |
| BRK/BBRK/B | 1.4% | 1.25% |
| AMDAMD | 1.16% | 1.06% |
| XOMXOM | 1.01% | 0.92% |
Weights per fund, normalized. 500 companies appear in both funds.
What the fee gap costs
Growth of 10,000 invested at 7% annual return, after each fund’s TER: 0.03% for VOO, 0.03% for VTI.
| VOO | VTI | Difference | |
|---|---|---|---|
| After 10 years | 19,616 | 19,616 | 0 |
| After 20 years | 38,480 | 38,480 | 0 |
| After 30 years | 75,485 | 75,485 | 0 |
The two funds charge the same TER, so fees do not separate them. TER only. Trading spreads, taxes and broker fees are not included.
Where the portfolios differ
| Sector | VOO | VTI |
|---|---|---|
| Information Technology | 38.6% | 33.2% |
| Financials | 11.4% | 13.3% |
| Health Care | 8.9% | 10.3% |
Only rows where the two funds differ by at least 1 percentage point.
Domicile and withholding tax
Both funds are domiciled in the United States, so fund-level dividend withholding works the same way for both. Domicile does not separate this pair.
Frequently asked questions
Do VOO and VTI overlap?+
Yes: 90.22% by weight, with 500 holdings appearing in both funds. 99.87% of VOO’s weight is also inside VTI.
Do VOO and VTI track the same index?+
No. VOO tracks the S&P 500 while VTI tracks the CRSP US Total Market. The 90.22% overlap comes from companies that both indices include.
Which is cheaper, VOO or VTI?+
Neither: both charge 0.03% per year, so cost does not separate them.
Is it worth holding both VOO and VTI?+
Holding both mostly duplicates exposure: 90.22% of the pair overlaps by weight. Most investors pick one, or combine one of them with a fund covering different markets.
Why does VOO hold the same companies at higher weights?+
Same companies, smaller universe: VOO spreads its weight across 503 holdings while VTI holds 1,171, so each shared position takes a larger slice of VOO.
More comparisons
Methodology
Overlap is the sum of min(weight A, weight B) across holdings that appear in both funds, with each fund’s stored weights normalized to 100%. Holdings come from issuer feeds and regulatory filings in our ETF holdings database; TER and fund size come from fund profile data and are refreshed regularly. Figures update when the underlying holdings data updates.
Holdings data as of Aug 31, 2026, from our ETF holdings database.