IFRA vs SPSM: Holdings Overlap
IFRAiShares U.S. Infrastructure ETF
iShares · 162 holdings · $4.6B · as of 2026-03-31
SPSMState Street® SPDR® Portfolio S&P 600™ Small Cap ETF
State Street (SPDR) · 604 holdings · $17.3B · as of 2026-08-06
Holdings snapshots are 128 days apart (IFRA: 2026-03-31, SPSM: 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 SPSM?
iShares U.S. Infrastructure ETF (IFRA, by iShares) holds 162 positions; State Street® SPDR® Portfolio S&P 600™ Small Cap ETF (SPSM, by State Street (SPDR)) holds 604. They have 37 holdings in common, and by portfolio weight the two funds are 4.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 37IFRA holds 162 · SPSM holds 604
- Weight in Shared Holdings
- IFRA 4%·SPSM 7%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
125 of 162 positions (95.3% of the fund) are not held by SPSM. Showing the top 30 by weight.
Only in SPSM
567 of 604 positions (93.2% of the fund) are not held by IFRA. Showing the top 30 by weight.
Sector Breakdown
| Sector | IFRA | SPSM |
|---|---|---|
| Utilities | 41.4% | 2.0% |
| Industrials | 35.2% | 17.4% |
| Financials | 0.0% | 19.0% |
| Consumer Discretionary | 0.3% | 13.9% |
| Materials | 13.6% | 4.0% |
| Other Sectors | 8.5% | 42.5% |
| Unclassified | 0.9% | 0.9% |
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, 1% of SPSM).
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% |
| SPSM | +2.4% | +24.5% | +36.5% | +14.6% | +7.7% | +10.9% | 1.36% |
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 SPSM →
Shared Holdings(37)
The top 10 shared positions account for 57% of the overlap, led by EMN, AGX and POOL.
 EMNEastman Chemical Company COM | 0.36% | 0.46% | 0.36% |
|---|---|---|---|
 AGXArgan Inc COM | 0.30% | 0.45% | 0.30% |
 POOLPool Corporation COM | 0.30% | 0.35% | 0.30% |
 AWIArmstrong World Industries, Inc. COM | 0.29% | 0.43% | 0.29% |
 ECGEverus Construction Group Inc. COM | 0.25% | 0.39% | 0.25% |
 PRIMPrimoris Services Corp. COM | 0.32% | 0.24% | 0.24% |
 ROADConstruction Partners, Inc., Class A | 0.22% | 0.26% | 0.22% |
 GVAGranite Construction Inc COM | 0.22% | 0.29% | 0.22% |
 MYRGMYR Group, Inc. | 0.18% | 0.28% | 0.18% |
 TPCTutor Perini Corporation COM | 0.15% | 0.23% | 0.15% |
 CENXCentury Aluminum Company COM | 0.16% | 0.14% | 0.14% |
 HWKNHawkins Inc COM | 0.12% | 0.15% | 0.12% |
 BCCBoise Cascade Co COM | 0.11% | 0.16% | 0.11% |
 MDUMDU Resources Group, Inc. COM | 0.11% | 0.24% | 0.11% |
 TRNTrinity Industries, Inc. COM | 0.11% | 0.13% | 0.11% |
 NGVTIngevity Corporation COM | 0.10% | 0.15% | 0.10% |
 AVAAvista Corporation COM | 0.09% | 0.17% | 0.09% |
 CPKChesapeake Utilities Corporation COM | 0.08% | 0.17% | 0.08% |
 KALUKaiser Aluminium Corporation COM PAR $0.01 | 0.08% | 0.15% | 0.08% |
 AWRAmerican States Water Co. COM | 0.08% | 0.18% | 0.08% |
 MGEEMGE Energy Inc. COM | 0.08% | 0.17% | 0.08% |
 CWTCalifornia Water Service Group COM | 0.07% | 0.16% | 0.07% |
 HEHawaiian Electric Industries, Inc. COM | 0.07% | 0.12% | 0.07% |
 GBXThe Greenbrier Companies, Inc. COM | 0.07% | 0.08% | 0.07% |
 HTOH2O America COM | 0.06% | 0.13% | 0.06% |
Frequently Asked Questions
How much do IFRA and SPSM overlap?
IFRA and SPSM overlap by 4.4% of portfolio weight. They share 37 holdings (IFRA holds 162 positions and SPSM holds 604), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IFRA and SPSM?
The two portfolios are 4.4% 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 SPSM?
The largest positions held by both funds are EMN, AGX, POOL, AWI and ECG. Together the top 10 shared positions account for 57% of the total overlap.
What does IFRA own that SPSM doesn't?
125 positions (95.3% of IFRA) are unique to IFRA, led by CAT, NEE and UNP. In the other direction, 567 positions (93.2% of SPSM) are unique to SPSM.