ITOT vs XLRE: how much do they overlap?
iShares Core S&P Total U.S. Stock Market ETF (ITOT) · Real Estate Select Sector SPDR ETF (XLRE)
overlap by weight · 31 shared holdings
ITOT: 2470 holdings (as of 2026-03-31) · XLRE: 31 holdings (as of 09-Jul-2026)
Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.
Low overlap
What this means
ITOT and XLRE hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in ITOT | in XLRE |
|---|---|---|---|
| Welltower, Inc. | WELL | 0.22% | 11.2% |
| Prologis, Inc. | PLD | 0.19% | 9.01% |
| Equinix, Inc. | EQIX | 0.15% | 6.97% |
| American Tower Corp. | AMT | 0.13% | 5.25% |
| Simon Property Group, Inc. | SPG | 0.1% | 4.87% |
| Digital Realty Trust, Inc. | DLR | 0.09% | 4.74% |
| Realty Income Corp. | O | 0.09% | 4.61% |
| Public Storage | PSA | 0.07% | 4.47% |
| CBRE Group, Inc. | CBRE | 0.06% | 4.26% |
| Ventas, Inc. | VTR | 0.06% | 4.59% |
FAQ
How much do ITOT and XLRE overlap?
ITOT and XLRE have a 1.7% overlap by weight, sharing 31 holdings (out of 2470 in ITOT and 31 in XLRE), based on official issuer holdings as of 2026-03-31.
What does 1.7% overlap mean?
ITOT and XLRE hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do ITOT and XLRE both hold?
The largest shared positions are Welltower, Inc., Prologis, Inc., Equinix, Inc., American Tower Corp., Simon Property Group, Inc.. The full list of top shared holdings with weights in each fund is shown on this page.