IWF vs XLB: how much do they overlap?
iShares Russell 1000 Growth ETF (IWF) · Materials Select Sector SPDR ETF (XLB)
overlap by weight · 3 shared holdings
IWF: 387 holdings (as of 2026-03-31) · XLB: 26 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
IWF and XLB 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 IWF | in XLB |
|---|---|---|---|
| THE SHERWIN-WILLIAMS COMPANY | SHW | 0.24% | 4.82% |
| ECOLAB INC. | ECL | 0.06% | 4.69% |
| STEEL DYNAMICS, INC. | STLD | 0.01% | 3.65% |
FAQ
How much do IWF and XLB overlap?
IWF and XLB have a 0.3% overlap by weight, sharing 3 holdings (out of 387 in IWF and 26 in XLB), based on official issuer holdings as of 2026-03-31.
What does 0.3% overlap mean?
IWF and XLB hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do IWF and XLB both hold?
The largest shared positions are THE SHERWIN-WILLIAMS COMPANY, ECOLAB INC., STEEL DYNAMICS, INC.. The full list of top shared holdings with weights in each fund is shown on this page.