Vanguard S&P Mid-Cap 400 ETF (IVOO)
- Expense ratio0.10%
- Net assets$3.77B
- Dividend yield1.26%
- 1-year return+13.95%
- Holdings400
IVOO ETF price chart
IVOO quote & trading statistics
IVOO performance
Total return · as of October 17, 2026- YTD+10.56%
- 1 year+13.95%
- 3 years+15.00%/yr
- 5 years+6.95%/yr
- 10 years+10.14%/yr
- 1Y volatility
- 13.15%
- 3Y volatility
- 15.01%
- 3Y Sharpe ratio
- 0.67
Returns include reinvested distributions; 3-, 5- and 10-year figures are annualized.
IVOO top 10 holdings
| # | Symbol | Name | Weight |
|---|---|---|---|
| 1 | TWLO | Twilio Inc | 1.35% |
| 2 | OKTA | Okta Inc | 0.98% |
| 3 | FTI | TechnipFMC PLC | 0.76% |
| 4 | ATI | Allegheny Technologies Incorporated | 0.74% |
| 5 | NVT | nVent Electric PLC | 0.73% |
| 6 | ENTG | Entegris Inc | 0.70% |
| 7 | UTHR | United Therapeutics Corporation | 0.66% |
| 8 | SNX | Synnex Corporation | 0.60% |
| 9 | XPO | XPO Logistics Inc | 0.59% |
| 10 | THC | Tenet Healthcare Corporation | 0.59% |
The top 10 holdings make up 7.7% of the fund (400 holdings in total). As of October 17, 2026.
About Vanguard S&P Mid-Cap 400 ETF
The target index measures the performance of mid-size companies in the United States. Under normal circumstances, the fund invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in the stocks that make up the target index.
IVOO ETF FAQ
What is the IVOO expense ratio?
Vanguard S&P Mid-Cap 400 ETF has a net expense ratio of 0.10%, or $10.00 a year for every $10,000 invested.
How much money is in IVOO?
Vanguard S&P Mid-Cap 400 ETF has about $3.77B in net assets.
What are the top holdings of IVOO?
The largest positions in IVOO are Twilio Inc (1.35%), Okta Inc (0.98%), TechnipFMC PLC (0.76%). The fund holds 400 securities in total.
How has IVOO performed?
IVOO returned +13.95% over the past year and +6.95% a year over the past five years, including reinvested distributions.
Does IVOO pay dividends?
IVOO has a dividend yield of 1.26% and pays distributions na.
When was IVOO launched?
Vanguard S&P Mid-Cap 400 ETF began trading on September 7, 2010.
ETFs similar to IVOO
Funds that track the same index or whose top-10 holdings overlap most with IVOO's. Overlap: shared top-10 weight as a share of the larger top-10 total of the two funds.
| Symbol | Fund | Overlap | Expense ratio | Net assets | 1-year return |
|---|---|---|---|---|---|
| IVOO | Vanguard S&P Mid-Cap 400 ETF | — | 0.10% | $3.77B | +13.95% |
| MDY | SPDR S&P MIDCAP 400 ETF | 97% | 0.24% | $25.63B | +14.12% |
| PTMC | Pacer Trendpilot US Mid Cap ETF | 74% | 0.57% | $365.1M | +12.83% |
| QVMM | Invesco S&P MidCap 400 QVM Multi-factor ETF | 73% | 0.15% | $412.0M | +14.98% |
| SPMD | SPDR Russell Small Cap Completeness | 72% | 0.03% | $18.25B | +13.65% |
| MVV | ProShares Ultra MidCap400 | 60% | 0.93% | $146.3M | +19.49% |