BLDXvsAMLPETF Comparison
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Impax Global Sustainable Infrastructure ETF (BLDX) and Alerian MLP ETF (AMLP) belong to the same industry segment: Infrastructure. BLDX's top 3 sector exposures are Utilities, Industrials and Finance. In contrast, AMLP's top sector exposures are Energy and Non-Corporate. BLDX is less expensive with a Total Expense Ratio (TER) of 0.6%, versus 0.85% for AMLP. Run a side-by-side ETF comparison of BLDX and AMLP below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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BLDX vs AMLP performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BLDX AMLP | -3.33%-6.36% | -4.71%+1.31% | n/a+18.35% | n/a+25.03% | n/a+59.97% | n/a+122.49% |
| Flows | BLDX AMLP | -$13M-$94M | -$13M+$321M | -+$910M | -+$1.16B | -+$3.57B | -+$4.23B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BLDX AMLP | +8.15%+12.66% | n/a+12.36% | n/a+14.51% | n/a+18.62% |
| Max drawdown | BLDX AMLP | -8.07%-7.51% | n/a-8.33% | n/a-13.83% | n/a-20.76% |
| Max drawdown duration | BLDX AMLP | 54d30d | n/a64d | n/a299d | n/a142d |
Trading data
BLDX | AMLP | |
Last sale 10/9/2026 at 1:30 PM | $24.70 | $52.56 |
| Previous close 10/08/2026 | $24.67 | $52.88 |
| Consolidated volume 10/08/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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BLDX
is actively managed and doesn’t replicate an indexBLDX | AMLP | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/9/2026 at 1:30 PM
Live
Closed
BLDX | AMLP | |
|---|---|---|
| Last price | $24.70 | $52.56 |
| 1D performance | +0.12% | -0.61% |
| AuM | $99.40 M | $12.69 B |
| E/R | 0.6% | 0.85% |
Characteristics
BLDX | AMLP | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Impax Asset Management | ALPS |
| Benchmark | - | Alerian MLP Infrastructure Index |
| N° of holdings | 35 | 15 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 3, 2026 | August 25, 2010 |
| ESG | Yes | No |
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Exposure
Countries
BLDX
USA
43.02%
United Kingdom
10.72%
Other
46.26%
AMLP
USA
109.48%
Other
-9.48%
Sectors
BLDX
Utilities
31.05%
Industrials
22.13%
Finance
13.39%
Telecommunication.
11.95%
Non-Energy Materi.
7.56%
Other
13.92%
AMLP
Energy
109.42%
Other
-9.42%
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Diversification
BLDX
Total weight of top 15 holdings out of 15
56.31%
AMLP
Total weight of top 15 holdings out of 15
109.48%
Top 15 holdings
Data as of August 31, 2026
BLDX
Union Pacific Corp.
4.75%
American Water Works Co., Inc.
4.73%
Keppel DC REIT
4.54%
Iberdrola SA
4.30%
Digital Realty Trust, Inc.
4.16%
Vulcan Materials Co.
4.05%
Tetra Tech, Inc.
3.79%
National Grid Plc
3.74%
NextEra Energy, Inc.
3.72%
Deutsche Telekom AG
3.54%
East Japan Railway Co.
3.13%
SSE Plc
3.07%
Elia Group SA/NV
2.97%
Elisa Oyj
2.92%
Contemporary Amperex Technology Co., Ltd.
2.91%
AMLP
Sunoco LP
14.18%
Energy Transfer LP
13.86%
Plains All American Pipeline LP
13.81%
Western Midstream Partners LP
13.26%
MPLX LP
12.66%
Enterprise Products Partners LP
12.58%
Hess Midstream LP
8.87%
Cheniere Energy Partners LP
4.89%
USA Compression Partners LP
3.78%
Genesis Energy LP
3.07%
Waterbridge Infrastructure LLC
2.36%
Global Partners LP
2.29%
Suburban Propane Partners LP
1.98%
Delek Logistics Partners LP
1.84%
State Street Institutional Treasury Plus Money Market Fund
0.05%
Frequently asked questions about BLDX and AMLP
Which ETF is bigger: BLDX or AMLP?
As of October 9, 2026, BLDX holds $99.40 M in assets under management (AUM), while AMLP manages $12.69 B.
What sectors do the BLDX and AMLP ETFs invest in?
BLDX leans toward sectors like Utilities, Industrials and Finance. Meanwhile, AMLP focuses on Energy.
What are the top holdings of the BLDX ETF and AMLP ETF?
BLDX top holdings include Union Pacific Corp., American Water Works Co., Inc. and Keppel DC REIT. AMLP holds in its top three: Sunoco LP, Energy Transfer LP and Plains All American Pipeline LP.
Which ETF is more diversified: BLDX or AMLP?
BLDX holds 35 securities with 56.31% of its assets in the top 15. AMLP has 15 securities and a top 15 weight of 109.48%.
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Latest news about BLDX & AMLP
Impax Launches BLDX: A Global Play on Sustainable Infrastructure
February 2, 2026
BLDX
4 Ways to Generate Income with ETFs
October 17, 2025
AMLP
Donald Trump’s Executive Orders: ETF Bulls and Bears
January 24, 2025
AMLP
Three Ways You Can Get Higher Income with ETFs
August 6, 2024
AMLP
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Resilience in Energy Infrastructure Funds Amidst Last Week’s Market Decline
September 26, 2023
AMLP
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