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Data as of Sep 4, 2026. Both funds on the fields they both publish, from the same sources.

RSP vs VOO

Invesco S&P 500 Equal Weight ETF and Vanguard 500 Index Fund.

RSP and VOO on the fields both publish, as of Sep 4, 2026. Source: ETFIQ.
RSP
Invesco S&P 500 Equal Weight ETF
VOO
Vanguard 500 Index Fund
Where it sitsCore fundCore fund
IssuerInvescoVanguard
What it isS&P 500 equal weightS&P 500
Total return, 1 year+18.3%+20.1%
S&P 500 over the same days+20.0%+20.0%
Gap to the S&P 500−1.7 pts+0.1 pts
Expense ratio0.20%0.03%
Already in the S&P 50099.1%100.0%
Holdings503506

RSP in plain words

RSP is a index equity fund tracking S&P 500 equal weight. Over the year to Sep 4, 2026 it returned +18.3% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. The prospectus expense ratio is 0.20% a year. By its holdings filed for Apr 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 503 positions, with the top ten at 3.2%.

VOO in plain words

VOO is a index equity fund tracking S&P 500. Over the year to Sep 4, 2026 it returned +20.1% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. 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, RSP or VOO?
In the year to Sep 4, 2026, with distributions reinvested, RSP returned +18.3% and VOO returned +20.1%, so VOO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, RSP or VOO?
RSP charges 0.20% a year and VOO charges 0.03%, so VOO is cheaper. Fees come from each fund's prospectus.
How much do RSP and VOO overlap with the S&P 500?
By their latest filed holdings, 99% of RSP and 100% of VOO by weight is stocks the S&P 500 already holds.

Other comparisons

Where to next

Cite this page. ETFIQ, RSP against VOO, data as of Sep 4, 2026. https://etfiq.com/compare/any/RSP-VOO.html Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. ETFIQ publishes the same fields for every fund and suggests no allocation. Standards and sources