Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
SPLG vs VOO: how they differ
SPLG and VOO are both equity index funds, and over the year they finished level, +17.6% against +17.6%.
S&P 500, book from IVV and Vanguard 500 Index Fund.
| SPLG S&P 500, book from IVV | VOO Vanguard 500 Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | S&P | Vanguard |
| What it is | S&P 500, book from IVV | S&P 500 |
| Total return, 1 year | +17.6% | +17.6% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +0.1 pts | +0.1 pts |
| Expense ratio | not published | 0.03% |
| Holdings | not filed | 506 |
SPLG in plain words
SPLG is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100.
VOO in plain words
VOO is an index equity fund tracking the S&P 500. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
Questions people ask
- Which returned more over the last year, SPLG or VOO?
- In the year to Sep 12, 2026, with distributions reinvested, SPLG returned +17.6% and VOO returned +17.6%, so VOO returned more. One year is one year; the longer windows are in the table.
Other comparisons
Where to next
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, SPLG against VOO, data as of Sep 12, 2026. https://etfiq.com/compare/any/SPLG-VOO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources