BLDX vs VOO
Impax Global Sustainable Infrastructure ETF vs Vanguard S&P 500 ETF
Which is better, BLDX or VOO?
VOO has been ahead.
VOO has a lower expense ratio. VOO led over 1Y. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 38.9%.
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 | BLDX | VOO |
|---|---|---|
| Expense Ratio | 0.60% | 0.03%Best |
| AUM | $119M | $997.4B |
| Dividend Yield | - | 1.08% |
| Holdings | 39 | 509 |
| YTD Return | +3.56% | +12.74%Best |
| 1Y Return | - | +19.43% |
| 3Y Return (annualized) | - | +21.18% |
| 5Y Return (annualized) | - | +12.76% |
| Top 10 Weight | 38.9% | 36.4%Best |
| Fund Family | Impax Asset Management | Vanguard (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Feb 2, 2026 | Sep 7, 2010 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
BLDX 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 is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
BLDX vs VOO Performance
Impax Global Sustainable Infrastructure ETF (BLDX) is an ETF from Impax Asset Management and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Year to date, BLDX is up 3.56% versus a gain of 12.74% for VOO.
Past performance does not guarantee future results.
Fees and Cost Over Time
BLDX charges 0.60% per year while VOO charges 0.03%. On a $10,000 position that is $60 vs $3 annually, a gap of $57 per year that compounds over a long holding period.
Holdings Overlap
34.0% of BLDX's money is in holdings VOO also owns. 6.1% of VOO's money is in holdings BLDX also owns.
The two portfolios partly overlap.
12 positions in common, counted across the 38 positions we hold weights for in BLDX and 504 in VOO, against full books of 39 and 509.
What only one of them owns
Our book lists 482 positions for VOO that do not appear in our book for BLDX (93.2% of the fund), and 6 for BLDX that do not appear in VOO (11.7%).
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 BLDX | Weight in VOO | Difference |
|---|---|---|---|
| MSFTMicrosoft Corp 4.100 Feb 06 37 | 1.56% | 4.30% | 2.74% |
| UNPUnion Pacific Corp | 5.46% | 0.25% | 5.21% |
| AWKAmerican Water Works Co. Inc. | 5.01% | 0.04% | 4.97% |
| NEENextera Energy Inc | 3.51% | 0.28% | 3.23% |
| WELLWelltower, Inc. | 3.16% | 0.25% | 2.91% |
| DLRDigital Realty Trust Inc. | 3.20% | 0.09% | 3.11% |
| WABWestinghouse Air Brake Technologies Corp. | 2.92% | 0.07% | 2.85% |
| WMWaste Management Inc . | 2.27% | 0.13% | 2.14% |
| LINLinde Plc Ordinary Shares | 1.82% | 0.37% | 1.45% |
| OTISOtis Worldwide Corporation | 1.96% | 0.04% | 1.92% |
34.0% of BLDX 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, BLDX or VOO?
BLDX has an expense ratio of 0.60% while VOO charges 0.03%. VOO is the cheaper option, by $57 a year on a $10,000 investment.
What is the holdings overlap between BLDX and VOO?
34.0% of BLDX's money is in holdings VOO also owns. 6.1% of VOO's is in holdings BLDX also owns. They hold 12 positions in common, counted across the 38 positions we hold weights for in BLDX and 504 in VOO.
Is VOO better than BLDX?
VOO has a lower expense ratio. VOO led over 1Y. VOO is less concentrated, with 36.4% of the fund in its ten largest positions against 38.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.