IFRA vs SPY: Holdings Overlap
IFRAiShares U.S. Infrastructure ETF
iShares · 162 holdings · $4.6B · as of 2026-03-31
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 128 days apart (IFRA: 2026-03-31, SPY: 2026-08-06). 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 IFRA and SPY?
iShares U.S. Infrastructure ETF (IFRA, by iShares) holds 162 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 48 holdings in common, and by portfolio weight the two funds are 4.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 48IFRA holds 162 · SPY holds 504
- Weight in Shared Holdings
- IFRA 75%·SPY 4%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 IFRA
114 of 162 positions (24.5% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | IFRA | SPY |
|---|---|---|
| Utilities | 41.4% | 2.0% |
| Information Technology | 0.0% | 37.6% |
| Industrials | 35.2% | 8.8% |
| Materials | 13.6% | 1.8% |
| Financials | 0.0% | 12.3% |
| Other Sectors | 8.8% | 37.4% |
| Unclassified | 0.9% | 0.0% |
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 (1% of IFRA, 0% of SPY).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IFRA | -1.1% | +17.1% | +22.3% | +17.8% | +13.3% | — | 1.59% |
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
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 IFRA vs SPY →
Shared Holdings(48)
The top 10 shared positions account for 49% of the overlap, led by CAT, NEE and UNP.
 CATCaterpillar Inc COM | 4.20% | 0.59% | 0.59% |
|---|---|---|---|
 NEENextEra Energy Inc COM | 4.12% | 0.27% | 0.27% |
 UNPUnion Pacific Corporation COM | 3.85% | 0.26% | 0.26% |
 SOSouthern Co. (The) | 2.92% | 0.16% | 0.16% |
 PWRQuanta Services, Inc. COM | 3.41% | 0.15% | 0.15% |
 DUKDuke Energy Corp COM NEW | 2.75% | 0.15% | 0.15% |
 CSXCSX Corporation COM | 3.20% | 0.14% | 0.14% |
 WMBWilliams Companies Inc. (The) COM | 2.39% | 0.13% | 0.13% |
 CEGConstellation Energy Corp. COM | 2.53% | 0.13% | 0.13% |
 NSCNorfolk Southern Corporation COM | 2.71% | 0.12% | 0.12% |
 URIUnited Rentals, Inc. COM | 1.92% | 0.11% | 0.11% |
 AEPAmerican Electric Power Co, Inc. COM | 1.91% | 0.10% | 0.10% |
 CRHCRH plc | 2.94% | 0.10% | 0.10% |
 NUENucor Corporation COM | 1.61% | 0.09% | 0.09% |
 KMIKinder Morgan, Inc. COM | 1.76% | 0.09% | 0.09% |
 FIXComfort Systems USA Inc. COM | 2.01% | 0.09% | 0.09% |
 DDominion Energy Inc COM | 1.47% | 0.09% | 0.09% |
 OKEOneok Inc. COM | 1.54% | 0.08% | 0.08% |
 SRESempra COM | 1.72% | 0.08% | 0.08% |
 ETREntergy Corporation COM | 1.37% | 0.07% | 0.07% |
 XELXcel Energy Inc COM | 1.34% | 0.07% | 0.07% |
 EXCExelon Corp. COM | 1.36% | 0.07% | 0.07% |
 VSTVistra Corp. COMMON STOCK | 1.36% | 0.07% | 0.07% |
 EDConsolidated Edison, Inc. COM | 1.10% | 0.06% | 0.06% |
 PCGPGandE CORP COMMON STOCK | 1.04% | 0.06% | 0.06% |
Frequently Asked Questions
How much do IFRA and SPY overlap?
IFRA and SPY overlap by 4.2% of portfolio weight. They share 48 holdings (IFRA holds 162 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IFRA and SPY?
The two portfolios are 4.2% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IFRA and SPY?
The largest positions held by both funds are CAT, NEE, UNP, SO and PWR. Together the top 10 shared positions account for 49% of the total overlap.
What does IFRA own that SPY doesn't?
114 positions (24.5% of IFRA) are unique to IFRA, led by TRP, AMRZ and ATI. In the other direction, 456 positions (95.7% of SPY) are unique to SPY.