Data as of Sep 4, 2026. Both funds on the fields they both publish, from the same sources.
IFRA vs VOO
iShares U.S. Infrastructure ETF and Vanguard 500 Index Fund.
What they hold in common
By the books each fund has filed, IFRA and VOO hold 5% of their money in the same securities at the same weight.
| Holding | IFRA | VOO |
|---|---|---|
| CATERPILLAR INC. | 4.57% | 0.76% |
| NEXTERA ENERGY, INC. | 3.97% | 0.28% |
| UNION PACIFIC CORPORATION | 3.88% | 0.25% |
| QUANTA SERVICES, INC. | 3.77% | 0.17% |
| THE SOUTHERN COMPANY | 2.92% | 0.17% |
| DUKE ENERGY CORPORATION | 2.67% | 0.15% |
| THE WILLIAMS COMPANIES, INC. | 2.45% | 0.14% |
| CSX Corporation | 3.10% | 0.14% |
| CONSTELLATION ENERGY CORPORATION. | 2.27% | 0.12% |
| AMERICAN ELECTRIC POWER COMPANY, INC. | 2.01% | 0.12% |
| CRH PUBLIC LIMITED COMPANY | 2.51% | 0.11% |
| NORFOLK SOUTHERN CORPORATION | 2.49% | 0.11% |
| Only in IFRA | Only in VOO |
|---|---|
| TC Energy Corporation 1.79% | NVIDIA Corp 7.53% |
| CARPENTER TECHNOLOGY CORPORATION 1.05% | Apple Inc 6.61% |
| ATI INC 0.94% | Microsoft Corp 4.31% |
| Amrize AG 0.93% | Amazon.com Inc 3.63% |
| MASTEC, INC. 0.90% | Alphabet Inc 3.26% |
| STERLING INFRASTRUCTURE, INC. 0.89% | Broadcom Inc 2.78% |
| Fortis Inc. 0.79% | Alphabet Inc 2.60% |
| RELIANCE, INC. 0.67% | Micron Technology Inc 2.02% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings as filed for Jun 30, 2026.
| IFRA iShares U.S. Infrastructure ETF | VOO Vanguard 500 Index Fund | |
|---|---|---|
| Where it sits | Themes desk | Core fund |
| Issuer | iShares | Vanguard |
| What it is | Infrastructure | S&P 500 |
| Total return, 1 year | +16.3% | +20.1% |
| S&P 500 over the same days | +20.0% | +20.0% |
| Gap to the S&P 500 | −3.7 pts | +0.1 pts |
| Expense ratio | not published | 0.03% |
| Already in the S&P 500 | 75.7% | 100.0% |
| Holdings | 161 | 506 |
IFRA in plain words
By weight, 76% of IFRA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 95%. The top ten holdings are 32% of the fund across 161 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +16.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 3.7 pts. It sits 7.5% below its all-time high of Jun 25, 2026.
VOO in plain words
VOO is a index equity fund tracking S&P 500. Over the year to Sep 4, 2026 it returned +20.1% with distributions reinvested, against +20.0% for the S&P 500 and +25.6% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 36.5%.
Questions people ask
- Which returned more over the last year, IFRA or VOO?
- In the year to Sep 4, 2026, with distributions reinvested, IFRA returned +16.3% and VOO returned +20.1%, so VOO returned more. One year is one year; the longer windows are in the table.
- How much do IFRA and VOO overlap with the S&P 500?
- By their latest filed holdings, 76% of IFRA and 100% of VOO by weight is stocks the S&P 500 already holds. Between the two funds, 5% of their books are the same securities at the same weight.
- Are IFRA and VOO the same kind of fund?
- No. IFRA is a thematic ETF and VOO is an index ETF, so they are built for different jobs. The table compares what both publish: return, cost and what each actually holds.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, IFRA against VOO, data as of Sep 4, 2026. https://etfiq.com/compare/any/IFRA-VOO.html Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources