Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
ITOT vs VXF: how they differ
ITOT and VXF hold 11% of their weight in the same names, and ITOT returned more over the year.
iShares Core S&P Total U.S. Stock Market ETF and Vanguard Extended Market Index Fund.
What they hold in common
By the books each fund has filed, ITOT and VXF hold 11% of their money in the same securities at the same weight.
| Holding | ITOT | VXF |
|---|---|---|
| Space Exploration Technologies Corp. | 0.14% | 1.19% |
| Snowflake, Inc. | 0.12% | 1.03% |
| Bloom Energy Corp. | 0.11% | 0.93% |
| Cloudflare, Inc. | 0.11% | 0.92% |
| Astera Labs, Inc. | 0.09% | 0.76% |
| Rocket Lab Corp. | 0.07% | 0.61% |
| Cheniere Energy, Inc. | 0.07% | 0.59% |
| Ferguson Enterprises, Inc. | 0.06% | 0.54% |
| Alnylam Pharmaceuticals, Inc. | 0.06% | 0.47% |
| Natera, Inc. | 0.05% | 0.46% |
| Revolution Medicines, Inc. | 0.05% | 0.44% |
| ROBLOX Corp. | 0.05% | 0.43% |
| Only in ITOT | Only in VXF |
|---|---|
| NVIDIA Corp. 6.64% | Credo Technology Group Holding Ltd 0.52% |
| Apple, Inc. 5.82% | FTAI Aviation Ltd 0.33% |
| Microsoft Corp. 3.80% | Amrize Ltd 0.32% |
| Amazon.com, Inc. 3.20% | nVent Electric PLC 0.32% |
| Alphabet, Inc. 2.87% | TechnipFMC PLC 0.31% |
| Broadcom, Inc. 2.45% | Royalty Pharma PLC 0.26% |
| Alphabet, Inc. 2.29% | Fabrinet 0.24% |
| Micron Technology, Inc. 1.78% | Flutter Entertainment PLC 0.21% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.
| ITOT iShares Core S&P Total U.S. Stock Market ETF | VXF Vanguard Extended Market Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | Vanguard |
| What it is | Core S&P Total U.S. Stock Market | Extended Market |
| Total return, 1 year | +17.2% | +14.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −0.3 pts | −3.4 pts |
| Expense ratio | 0.03% | 0.05% |
| Already in the S&P 500 | 88.3% | 0.0% |
| Holdings | 2497 | 3365 |
ITOT in plain words
ITOT is an index equity fund tracking the Core S&P Total U.S. Stock Market. Over the year to Sep 11, 2026 it returned +17.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2497 positions, with the top ten at 32.2%.
VXF in plain words
VXF is an index equity fund tracking the Extended Market. Over the year to Sep 11, 2026 it returned +14.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3365 positions, with the top ten at 7.6%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, ITOT or VXF?
- In the year to Sep 12, 2026, with distributions reinvested, ITOT returned +17.2% and VXF returned +14.1%, so ITOT returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ITOT or VXF?
- ITOT charges 0.03% a year and VXF charges 0.05%, so ITOT is cheaper. Fees come from each fund's prospectus.
- How much do ITOT and VXF overlap with the S&P 500?
- By their latest filed holdings, 88% of ITOT and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 11% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, ITOT against VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/ITOT-VXF Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources