IWDA vs IWM: how much do they overlap?
iShares Core MSCI World UCITS ETF (USD Acc) (IWDA) · iShares Russell 2000 ETF (IWM)
IWDA and IWM overlap by 0.2% by portfolio weight. In practical terms, about 99.8% of the smaller-weighted exposure is different between the two funds. They share 6 stocks; the largest shared position is Bloom Energy Class A (BE), contributing 0.07% to the overlap.
overlap by weight · 6 shared holdings
IWDA: 1224 holdings (as of 2026-08-04) · IWM: 1934 holdings (as of 2026-03-31)
Holdings dates reflect the latest official files available for each issuer. Some issuers publish daily files; others are represented by periodic SEC filings. Analysis template updated 2026-08-04.
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
IWDA and IWM 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 IWDA | in IWM |
|---|---|---|---|
| Bloom Energy Class A | BE | 0.07% | 1.01% |
| Credo Technology Group Holding Ltd | CRDO | 0.04% | 0.52% |
| Fabrinet | FN | 0.02% | 0.64% |
| Coeur Mining | CDE | 0.02% | 0.65% |
| Echostar Class A | ECHO | 0.01% | 0.54% |
| Ionq | IONQ | 0.01% | 0.34% |
FAQ
How much do IWDA and IWM overlap?
IWDA and IWM have a 0.2% overlap by weight, sharing 6 holdings (out of 1224 in IWDA and 1934 in IWM), based on official issuer holdings as of 2026-08-04.
What does 0.2% overlap mean?
IWDA and IWM hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do IWDA and IWM both hold?
The largest shared positions are Bloom Energy Class A, Credo Technology Group Holding Ltd, Fabrinet, Coeur Mining, Echostar Class A. The full list of top shared holdings with weights in each fund is shown on this page.