IDGT vs VOO
iShares US Digital Infrastructure and Real Estate ETF vs Vanguard S&P 500 ETF
Which is better, IDGT or VOO?
Mid Cap Blend against Large Cap Blend.
VOO has a lower expense ratio. IDGT led over 1Y and 3Y, VOO over 5Y and the full window. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 64.3%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IDGT | VOO |
|---|---|---|
| Expense Ratio | 0.37% | 0.03%Best |
| AUM | $504M | $997.4B |
| Dividend Yield | 0.78% | 1.04% |
| Holdings | 30 | 509 |
| YTD Return | +32.42%Best | +11.55% |
| 1Y Return | +32.29%Best | +17.54% |
| 3Y Return (annualized) | +21.54%Best | +20.71% |
| 5Y Return (annualized) | +10.66% | +12.80%Best |
| Volatility (annualized) | 21.0% | 14.1%Best |
| Max Drawdown | -39.9% | -34.3%Best |
| $10,000 over 5 years | $16,594 | $18,262Best |
| Top 10 Weight | 64.3% | 36.4%Best |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | Mid Cap Blend | Large Cap Blend |
| Inception | Jul 10, 2001 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Sep 10, 2026 (16 years).
IDGT vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 16 years both funds cover.
IDGT vs VOO Performance
iShares US Digital Infrastructure and Real Estate ETF (IDGT) is an ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year IDGT returned +32.29% while VOO returned +17.54%. Year to date, IDGT is up 32.42% versus a gain of 11.55% for VOO.
Over three years, IDGT compounded at +21.54% per year against +20.71% for VOO; over five years the annualized figures are +10.66% and +12.80% respectively. Across the full 16-year window we track, VOO has the edge at +13.35% annualized vs +9.47%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IDGT has been the more volatile fund, with annualized monthly volatility of 21.0% compared with 14.1% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -39.9% for IDGT and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.76. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
IDGT charges 0.37% per year while VOO charges 0.03%. On a $10,000 position that is $37 vs $3 annually, a gap of $34 per year that compounds over a long holding period. On income, IDGT currently yields 0.78% against 1.04% for VOO.
Holdings Overlap
64.3% of IDGT's money is in holdings VOO also owns. 2.0% of VOO's money is in holdings IDGT also owns.
The two portfolios partly overlap.
The two holdings books were reported 62 days apart, IDGT as of Aug 31, 2026 and VOO as of Jun 30, 2026, so some of the difference between them is the time between the two reports rather than the funds.
12 positions in common, counted across the 26 positions we hold weights for in IDGT and 505 in VOO, against full books of 30 and 509.
What only one of them owns
Our book lists 484 positions for VOO that do not appear in our book for IDGT (97.4% of the fund), and 13 for IDGT that do not appear in VOO (32.5%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in IDGT | Weight in VOO | Difference |
|---|---|---|---|
| EQIXEquinix, Inc. | 9.14% | 0.16% | 8.98% |
| DLRDigital Realty Trust Inc. | 8.93% | 0.09% | 8.84% |
| AMTAmerican Tower Corp | 8.65% | 0.12% | 8.53% |
| ANETArista Networks Inc. | 5.57% | 0.27% | 5.30% |
| CCICrown Castle International Corp | 5.58% | 0.05% | 5.53% |
| SBACSba Communications Corp. | 5.49% | 0.03% | 5.46% |
| CSCOCisco Systems Inc. - Ordinary Shares | 4.28% | 0.72% | 3.56% |
| SMCISuper Micro Computer Inc | 4.61% | 0.03% | 4.58% |
| QCOMQualcomm Inc. | 4.16% | 0.30% | 3.86% |
| NTAPNetapp Inc. | 4.26% | 0.05% | 4.21% |
64.3% of IDGT is already inside VOO.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IDGT or VOO?
IDGT has an expense ratio of 0.37% while VOO charges 0.03%. VOO is the cheaper option, by $34 a year on a $10,000 investment.
Which performed better, IDGT or VOO?
Over the past year IDGT returned +32.29% vs +17.54% for VOO, so IDGT leads on 1-year performance. Over the longest common window we track (16 years), IDGT annualized +9.47% vs +13.35% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IDGT or VOO?
IDGT has been the more volatile fund at 21.0% annualized versus 14.1% for VOO. Worst drawdown: IDGT -39.9% vs VOO -34.3%.
Should I hold both IDGT and VOO?
IDGT and VOO have a monthly-return correlation of 0.76, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between IDGT and VOO?
64.3% of IDGT's money is in holdings VOO also owns. 2.0% of VOO's is in holdings IDGT also owns. They hold 12 positions in common, counted across the 26 positions we hold weights for in IDGT and 505 in VOO.
Which pays a higher dividend, IDGT or VOO?
IDGT yields 0.78% while VOO yields 1.04%, so VOO currently pays the higher dividend yield.
Is VOO better than IDGT?
VOO has a lower expense ratio. IDGT led over 1Y and 3Y, VOO over 5Y and the full window. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 64.3%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.