ETFIQ
RankingsCompareHoldingsResearch
My portfolioWeekly note

IVOO · Vanguard S&P Mid-Cap 400 ETF

Equity fundTracks an index0.07% fee$3.7bnSince Sep 9, 2010Fund page at the issuer ↗SEC filings ↗
Share on XDownload as PDFCompareAdd to portfolioAlerts

IVOO tracks an index and returned +13.4% over the past year.

+13.4%
Total return, 1 year
0.07%
Expense ratio
406
Holdings
−6.3%
Below its high
WindowTotal returnS&P 500Gap to S&P 500Gap to Nasdaq-100
3M Jul 2 – Oct 2, 2026−3.1%+3.6%−6.7 pts−8.4 pts
6M Apr 2 – Oct 2, 2026+8.3%+17.9%−9.6 pts−20.1 pts
1Y Oct 2, 2025 – Oct 2, 2026+13.4%+16.2%−2.8 pts−10.9 pts
3Y Oct 3, 2023 – Oct 2, 2026+57.7%+89.3%−31.6 pts−57.1 pts
Since listing Sep 9, 2010 – Oct 2, 2026+507.9%+824.6%−316.6 pts−1248.1 pts

IVOO over each window to Oct 2, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.

IVOO top ten by weight, 7.8% of its 406 equity positions, from the holdings filed for Aug 31, 2026. An index fund holds what the index holds, so this is the index. Source: the fund’s SEC filing.

Twilio Inc TWLO 1.00%
Illumina Inc ILMN 0.90%
TechnipFMC PLC FTI 0.87%
Everpure Inc P 0.82%
Okta Inc OKTA 0.81%
ATI Inc ATI 0.78%
nVent Electric PLC NVT 0.68%
Carpenter Technology Corp CRS 0.66%
US Foods Holding Corp USFD 0.65%
Tenet Healthcare Corp THC 0.64%
Fund filings on SEC EDGAR ↗
Head to head
Funds near this one
ACWIACWXAIRRAORAVDVAVEM

In plain words

IVOO tracks an index. Over the year to Oct 2, 2026 it returned +13.4% with distributions reinvested, against +16.2% for the S&P 500 and +24.3% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer as of Aug 31, 2026, 2% of the fund by weight is stocks the S&P 500 also holds, across 406 positions, with the top ten at 7.8%. It sat 6.3% below its high of Aug 14, 2026 on Oct 2, 2026.
What it tracksnot read by ETFIQ
Fund typeEquity fund
Category (ETFIQ)Stocks · U.S. mid-cap blend
Expense ratio (485BPOS XBRL, Dec 19, 2025)0.07%
Price$124.25
Listed sinceSep 9, 2010
Net assets (the issuer’s own figure for this ETF, month end, as of Sep 30, 2026)$3.7bn
Below its high (ETFIQ)−6.3%
Holdings406
Top ten weight7.8%
Holdings as of (the issuer’s month-end file)Aug 31, 2026
Already in the S&P 500, by weight (ETFIQ)1.6%
Active share vs the S&P 500 (ETFIQ)99.9%
Already in the Nasdaq-100, by weight (ETFIQ)0.0%
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

Questions people ask about IVOO

How has IVOO performed?
Over the year to Oct 2, 2026, IVOO returned +13.4% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +57.7%.
What does IVOO cost?
The prospectus expense ratio is 0.07% a year.
What does IVOO hold?
406 positions as published by its issuer as of Aug 31, 2026, with the top ten at 7.8% of the fund. 2% of its weight is in stocks the S&P 500 also holds.
How far is IVOO below its high?
6.3% below its high of Aug 14, 2026, measured on the reinvested series to Oct 2, 2026.
Sources and dates
Prices, IVOO and S&P 500Tiingo end-of-day · Oct 2, 2026
Fee, 0.07%Prospectus filing with the expense ratio (SEC) ↗
Net assets, $3.7bnThe issuer’s own figure for this ETF, month end · Sep 30, 2026
HoldingsHoldings, the issuer’s own month-end file · Aug 31, 2026 ↗
IssuerVanguard page for IVOO ↗
All fund filingsFund filings on SEC EDGAR ↗
SourceVanguard’s own site ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

ETFIQ covers core, leveraged and inverse, buffer, thematic, option-income, alternatives and spot crypto ETFs. This fund is here because the other funds here are measured against it and portfolios hold it. ETFIQ is an independent publisher and makes no recommendations. Standards and sources

How these figures are computed →Standards and sources →Open data →
Cite this page

ETFIQ, IVOO, core fund, data as of Oct 2, 2026. https://etfiq.com/funds/ivoo

Free to use with attribution; the underlying files are at Open data.

Vanguard: every fund ETFIQ covers→