etf overlap · moderate overlap

iShares Core S&P 500 ETF logoTechnology Select Sector SPDR logoIVV vs XLK overlap

39% of IVV and XLK is the same money, spread over 74 companies both funds hold.

Holdings as of September 24, 2026 · source: iShares (IVV), SPDR (XLK)

overlapfull holdings, by weight
39%of each fund is money the other holds at the same weight, across 74 shared companies.
IVV
39%61%
XLK
39%61%
  • same money
  • same companies, extra weight
  • only in this fund
Overlap = the sum, over companies both funds hold, of the smaller of the two weights. Cash and derivatives excluded.
01Shared

The companies you would own twice

held by bothtop 15 of 74
companyIVVXLK
NVIDIA logoNVDANVIDIA8.18%15.28%
APPLE logoAAPLAPPLE7.37%13.79%
MICROSOFT logoMSFTMICROSOFT5.56%10.40%
PALANTIR TECHNOLOGIES CLASS A logoPLTRPALANTIR TECHNOLOGIES CLASS A0.67%2.52%
CRCRWDCROWDSTRIKE HOLDINGS CLASS A0.40%1.51%
SNSNDKSANDISK0.39%1.46%
02Different

What only one of them gives you

only in IVV429 names
ALPHABET CLASS C logoGOOGALPHABET CLASS C2.42%
only in XLK1 names
IXIXTZ6XAK TECHNOLOGY DEC260.00%
03Sectors

Where each fund puts its money

sectorsIVV vs XLK, share of each fund
Information Technology39.15%99.93%
Financials11.56%0.00%
Communication Services10.06%0.00%
Health Care9.27%0.00%
Consumer Discretionary8.65%0.00%
Industrials8.07%0.00%
Consumer Staples4.39%0.00%
Energy3.42%0.00%
Utilities1.86%0.00%
Materials1.72%0.00%
Real Estate1.72%0.00%
04Questions

IVV and XLK: what people ask

questions4 answered

How much do IVV and XLK overlap?

39% by weight, as of September 24, 2026: moderate overlap. 74 companies appear in both funds; they make up 39% of IVV and 100% of XLK.

Which stocks do IVV and XLK both hold?

The largest shared positions are NVDA, AAPL, MSFT, AVGO and MU. Ranked by the smaller of the two weights, which is the part you would own twice.

Is it redundant to hold both IVV and XLK?

Out of every $100 split evenly between them, about $39 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 429 names only in IVV, 1 only in XLK. Whether that duplication is a problem depends on the mix you want; this is a description, not advice.

How is ETF overlap calculated here?

For every company held by both funds we take the smaller of its two weights and add them up. The weights come from the full holdings files iShares and SPDR publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.

Hold IVV and XLK?Import your positions and see what your funds hold together, company by company, with the fees you pay on each.Import my portfolio

Weights come from each issuer's published holdings file and are matched company by company on their ISIN. Cash, futures and currency positions are left out. This page describes what the funds hold; it is not investment advice.