IGF vs SPY: Holdings Overlap
IGFiShares Global Infrastructure ETF
iShares · 88 holdings · $11.0B · 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 (IGF: 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 IGF and SPY?
iShares Global Infrastructure ETF (IGF, by iShares) holds 88 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 19 holdings in common, and by portfolio weight the two funds are 1.9% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 19IGF holds 88 · SPY holds 504
- Weight in Shared Holdings
- IGF 38%·SPY 2%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 IGF
69 of 88 positions (62.2% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | IGF | SPY |
|---|---|---|
| Utilities | 39.3% | 2.0% |
| Information Technology | 0.0% | 37.6% |
| Energy | 20.7% | 3.2% |
| Industrials | 18.2% | 8.8% |
| Financials | 0.0% | 12.3% |
| Other Sectors | 0.1% | 36.0% |
| Unclassified | 21.4% | 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 (21% of IGF, 0% of SPY).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IGF | -1.8% | +9.0% | +12.6% | +16.5% | +10.6% | +8.0% | 2.93% |
| 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 IGF vs SPY →
Shared Holdings(19)
The top 10 shared positions account for 69% of the overlap, led by NEE, SO and DUK.
 NEENextEra Energy Inc COM | 5.27% | 0.27% | 0.27% |
|---|---|---|---|
 SOSouthern Co. (The) | 2.90% | 0.16% | 0.16% |
 DUKDuke Energy Corp COM NEW | 2.80% | 0.15% | 0.15% |
 WMBWilliams Companies Inc. (The) COM | 3.14% | 0.13% | 0.13% |
 CEGConstellation Energy Corp. COM | 2.21% | 0.13% | 0.13% |
 AEPAmerican Electric Power Co, Inc. COM | 1.98% | 0.10% | 0.10% |
 KMIKinder Morgan, Inc. COM | 2.37% | 0.09% | 0.09% |
 DDominion Energy Inc COM | 1.44% | 0.09% | 0.09% |
 TRGPTarga Resources Corp. COM | 2.02% | 0.09% | 0.09% |
 OKEOneok Inc. COM | 2.23% | 0.08% | 0.08% |
 SRESempra COM | 1.71% | 0.08% | 0.08% |
 ETREntergy Corporation COM | 1.36% | 0.07% | 0.07% |
 XELXcel Energy Inc COM | 1.28% | 0.07% | 0.07% |
 EXCExelon Corp. COM | 1.36% | 0.07% | 0.07% |
 VSTVistra Corp. COMMON STOCK | 1.17% | 0.07% | 0.07% |
 EDConsolidated Edison, Inc. COM | 1.13% | 0.06% | 0.06% |
 PCGPG&E Corporation COM | 1.08% | 0.06% | 0.06% |
 PEGPublic Service Enterprise Group Incorporated COM | 1.11% | 0.06% | 0.06% |
 WECWEC Energy Group Inc. COM | 0.98% | 0.05% | 0.05% |
Frequently Asked Questions
How much do IGF and SPY overlap?
IGF and SPY overlap by 1.9% of portfolio weight. They share 19 holdings (IGF holds 88 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IGF and SPY?
The two portfolios are 1.9% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IGF and SPY?
The largest positions held by both funds are NEE, SO, DUK, WMB and CEG. Together the top 10 shared positions account for 69% of the total overlap.
What does IGF own that SPY doesn't?
69 positions (62.2% of IGF) are unique to IGF, led by AENA, TCL and ENB. In the other direction, 485 positions (98.0% of SPY) are unique to SPY.