IDU vs SPLV: Holdings Overlap
iShares · 44 holdings · $1.5B · as of 2026-04-30
SPLVInvesco S&P 500 Low Volatility ETF
Invesco · 100 holdings · $7.2B · as of 2026-05-31
Holdings snapshots are 31 days apart (IDU: 2026-04-30, SPLV: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are IDU and SPLV?
iShares U.S. Utilities ETF (IDU, by iShares) holds 44 positions; Invesco S&P 500 Low Volatility ETF (SPLV, by Invesco) holds 100. They have 24 holdings in common, and by portfolio weight the two funds are 26.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 26.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 24IDU holds 44 · SPLV holds 100
- Weight in Shared Holdings
- IDU 64%·SPLV 27%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
20 of 44 positions (36.1% of the fund) are not held by SPLV.
Sector Breakdown
| Sector | IDU | SPLV |
|---|---|---|
| Utilities | 91.2% | 25.0% |
| Financials | 0.0% | 21.0% |
| Real Estate | 0.0% | 17.7% |
| Industrials | 8.6% | 12.2% |
| Consumer Staples | 0.0% | 9.4% |
| Other Sectors | 0.0% | 14.3% |
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.
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% |
| SPLV | -0.7% | +8.1% | +6.1% | +9.1% | +6.0% | +8.3% | 2.12% |
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 SPLV →
Shared Holdings(24)
The top 10 shared positions account for 46% of the overlap, led by FE, DUK and AEE.
 FEFirstEnergy Corp. COM | 1.56% | 1.34% | 1.34% |
|---|---|---|---|
 DUKDuke Energy Corp COM NEW | 6.03% | 1.25% | 1.25% |
 AEEAmeren Corp. COM | 1.84% | 1.24% | 1.24% |
 WECWEC Energy Group Inc. COM | 2.30% | 1.24% | 1.24% |
 CNPCenterpoint Energy Inc COM | 1.70% | 1.23% | 1.23% |
 DTEDTE Energy Co. COM | 1.88% | 1.22% | 1.22% |
 CMSCMS Energy Corporation COM | 1.39% | 1.18% | 1.18% |
 SOSouthern Co. (The) | 6.38% | 1.16% | 1.16% |
 EVRGEvergy Inc COM | 1.14% | 1.22% | 1.14% |
 ATOAtmos Energy Corp. COM | 1.82% | 1.14% | 1.14% |
 DDominion Energy Inc COM | 3.29% | 1.13% | 1.13% |
 LNTAlliant Energy Corporation COM | 1.13% | 1.23% | 1.13% |
 PPLPPL Corporation COM | 1.66% | 1.10% | 1.10% |
 RSGRepublic Services, Inc., Class A | 2.54% | 1.09% | 1.09% |
 EDConsolidated Edison, Inc. COM | 2.40% | 1.08% | 1.08% |
 EXCExelon Corp. COM | 2.78% | 1.06% | 1.06% |
 AEPAmerican Electric Power Co, Inc. COM | 4.39% | 1.05% | 1.05% |
 NINiSource Inc. COM | 1.38% | 1.03% | 1.03% |
 PEGPublic Service Enterprise Group Incorporated COM | 2.44% | 1.01% | 1.01% |
 WMWaste Management, Inc. COM | 5.15% | 1.00% | 1.00% |
 XELXcel Energy Inc COM | 2.94% | 0.99% | 0.99% |
 ETREntergy Corporation COM | 3.15% | 0.97% | 0.97% |
 SRESempra COM | 3.71% | 0.95% | 0.95% |
 PNWPinnacle West Capital Corp. COM | 0.74% | 1.19% | 0.74% |
Frequently Asked Questions
How much do IDU and SPLV overlap?
IDU and SPLV overlap by 26.5% of portfolio weight. They share 24 holdings (IDU holds 44 positions and SPLV holds 100), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDU and SPLV?
The two portfolios are 26.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IDU and SPLV?
The largest positions held by both funds are FE, DUK, AEE, WEC and CNP. Together the top 10 shared positions account for 46% of the total overlap.
What does IDU own that SPLV doesn't?
20 positions (36.1% of IDU) are unique to IDU, led by NEE, CEG and VST. In the other direction, 76 positions (72.6% of SPLV) are unique to SPLV.