BLDX vs SPY
Impax Global Sustainable Infrastructure ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | BLDX | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.60% | 0.09% | |
| AUM | $121M | $821.1B | |
| Dividend Yield | - | 1.01% | |
| Holdings | 39 | 505 | |
| YTD Return | +6.75% | +14.24% | |
| 1Y Return | - | +21.71% | |
| 3Y Return (annualized) | - | +22.10% | |
| 5Y Return (annualized) | - | +13.21% | |
| Volatility (annualized) | - | 15.3% | |
| Max Drawdown | -8.3% | -56.5% | |
| Fund Family | Impax Asset Management | State Street Investment Management | |
| Category | Equity | Equity | |
| Inception | Feb 2, 2026 | Jan 22, 1993 |
BLDX vs SPY Performance
Impax Global Sustainable Infrastructure ETF (BLDX) is a ETF from Impax Asset Management and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Year to date, BLDX is up 6.75% versus a gain of 14.24% for SPY.
Risk: Volatility and Drawdowns
The deepest peak-to-trough decline in our data was -8.3% for BLDX and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
Fees and Cost Over Time
BLDX charges 0.60% per year while SPY charges 0.09%. On a $10,000 position that is $60 vs $9 annually, a gap of $51 per year that compounds over a long holding period.
Holdings Overlap
BLDX and SPY share 12 holdings out of 530 unique holdings combined, representing a 3.4% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, BLDX or SPY?
BLDX has an expense ratio of 0.60% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $51 per year of difference.
What is the holdings overlap between BLDX and SPY?
BLDX and SPY share 12 common holdings with a 3.4% weight overlap. Combined, they hold 530 unique securities.
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