ITOT vs XLC: how much do they overlap?
iShares Core S&P Total U.S. Stock Market ETF (ITOT) · Communication Services Select Sector SPDR ETF (XLC)
overlap by weight · 23 shared holdings
ITOT: 2470 holdings (as of 2026-03-31) · XLC: 23 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 XLC 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 XLC |
|---|---|---|---|
| Alphabet, Inc. | GOOGL | 2.64% | 10.81% |
| Alphabet, Inc. | GOOG | 2.12% | 8.65% |
| Meta Platforms, Inc. | META | 1.98% | 18.37% |
| Netflix, Inc. | NFLX | 0.64% | 4.49% |
| Verizon Communications, Inc. | VZ | 0.33% | 4.14% |
| AT&T, Inc. | T | 0.32% | 4.18% |
| Walt Disney Co. (The) | DIS | 0.27% | 4.28% |
| Comcast Corp. | CMCSA | 0.16% | 4.24% |
| T-Mobile US, Inc. | TMUS | 0.16% | 4.58% |
| Warner Bros Discovery, Inc. | WBD | 0.11% | 4.31% |
FAQ
How much do ITOT and XLC overlap?
ITOT and XLC have a 9.1% overlap by weight, sharing 23 holdings (out of 2470 in ITOT and 23 in XLC), based on official issuer holdings as of 2026-03-31.
What does 9.1% overlap mean?
ITOT and XLC hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do ITOT and XLC both hold?
The largest shared positions are Alphabet, Inc., Alphabet, Inc., Meta Platforms, Inc., Netflix, Inc., Verizon Communications, Inc.. The full list of top shared holdings with weights in each fund is shown on this page.