IDU vs EMLP: Holdings Overlap
iShares · 44 holdings · $1.5B · as of 2026-04-30
EMLPFirst Trust North American Energy Infrastructure Fund
First Trust · 63 holdings · $4.2B · as of 2026-04-30
How similar are IDU and EMLP?
iShares U.S. Utilities ETF (IDU, by iShares) holds 44 positions; First Trust North American Energy Infrastructure Fund (EMLP, by First Trust) holds 63. They have 30 holdings in common, and by portfolio weight the two funds are 34.1% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 34.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 30IDU holds 44 · EMLP holds 63
- Weight in Shared Holdings
- IDU 78%·EMLP 41%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IDU
14 of 44 positions (21.5% of the fund) are not held by EMLP.
Sector Breakdown
| Sector | IDU | EMLP |
|---|---|---|
| Utilities | 91.2% | 45.6% |
| Energy | 0.0% | 39.5% |
| Industrials | 8.6% | 3.6% |
| Other Sectors | 0.0% | 0.0% |
| Unclassified | 0.0% | 4.4% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (0% of IDU, 5% of EMLP).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IDU | -4.3% | +3.5% | +2.8% | +14.4% | +8.5% | +8.6% | 2.27% |
| EMLP | -1.5% | +16.3% | +17.6% | +20.5% | +16.2% | +9.9% | 2.80% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IDU vs EMLP →
Shared Holdings(30)
The top 10 shared positions account for 54% of the overlap, led by SO, ETR and AEP.
 SOSouthern Co. (The) | 6.38% | 2.67% | 2.67% |
|---|---|---|---|
 ETREntergy Corporation COM | 3.15% | 2.43% | 2.43% |
 AEPAmerican Electric Power Co, Inc. COM | 4.39% | 2.06% | 2.06% |
 DUKDuke Energy Corp COM NEW | 6.03% | 1.93% | 1.93% |
 SRESempra COM | 3.71% | 1.82% | 1.82% |
 PPLPPL Corporation COM | 1.66% | 2.52% | 1.66% |
 PEGPublic Service Enterprise Group Incorporated COM | 2.44% | 1.62% | 1.62% |
 DTEDTE Energy Co. COM | 1.88% | 1.50% | 1.50% |
 WECWEC Energy Group Inc. COM | 2.30% | 1.45% | 1.45% |
 FEFirstEnergy Corp. COM | 1.56% | 1.42% | 1.42% |
 DDominion Energy Inc COM | 3.29% | 1.35% | 1.35% |
 CNPCenterpoint Energy Inc COM | 1.70% | 1.34% | 1.34% |
 XELXcel Energy Inc COM | 2.94% | 1.30% | 1.30% |
 NEENextEra Energy Inc COM | 12.22% | 1.27% | 1.27% |
 ATOAtmos Energy Corp. COM | 1.82% | 1.19% | 1.19% |
 EVRGEvergy Inc COM | 1.14% | 1.61% | 1.14% |
 VSTVistra Corp. COMMON STOCK | 3.20% | 1.11% | 1.11% |
 AEEAmeren Corp. COM | 1.84% | 0.97% | 0.97% |
 LNTAlliant Energy Corporation COM | 1.13% | 0.95% | 0.95% |
 CMSCMS Energy Corporation COM | 1.39% | 0.92% | 0.92% |
 OGEOGE Energy Corporation COM | 0.61% | 1.42% | 0.61% |
 IDAIdacorp Inc COM | 0.48% | 0.95% | 0.48% |
 NFGNational Fuel Gas Company COM | 0.48% | 3.25% | 0.48% |
 UGIUGI Corporation | 0.46% | 0.80% | 0.46% |
 PCGPGandE CORP COMMON STOCK | 2.18% | 0.42% | 0.42% |
Frequently Asked Questions
How much do IDU and EMLP overlap?
IDU and EMLP overlap by 34.1% of portfolio weight. They share 30 holdings (IDU holds 44 positions and EMLP holds 63), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDU and EMLP?
The two portfolios are 34.1% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IDU and EMLP?
The largest positions held by both funds are SO, ETR, AEP, DUK and SRE. Together the top 10 shared positions account for 54% of the total overlap.
What does IDU own that EMLP doesn't?
14 positions (21.5% of IDU) are unique to IDU, led by WM, RSG and ED. In the other direction, 33 positions (52.0% of EMLP) are unique to EMLP.