URTH vs IDEV: Holdings Overlap
iShares · 1322 holdings · $8.3B · as of 2026-05-31
IDEViShares Core MSCI International Developed Markets ETF
iShares · 2268 holdings · $31.8B · as of 2026-04-30
Holdings snapshots are 31 days apart (URTH: 2026-05-31, IDEV: 2026-04-30). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are URTH and IDEV?
iShares MSCI World ETF (URTH, by iShares) holds 1322 positions; iShares Core MSCI International Developed Markets ETF (IDEV, by iShares) holds 2268. They have 781 holdings in common, and by portfolio weight the two funds are 27.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 27.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 781URTH holds 1322 · IDEV holds 2268
- Weight in Shared Holdings
- URTH 27%·IDEV 85%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in URTH
541 of 1322 positions (72.2% of the fund) are not held by IDEV. Showing the top 30 by weight.
Only in IDEV
1487 of 2268 positions (14.1% of the fund) are not held by URTH. Showing the top 30 by weight.
Sector Breakdown
| Sector | URTH | IDEV |
|---|---|---|
| Information Technology | 30.3% | 7.8% |
| Financials | 15.0% | 21.8% |
| Industrials | 10.8% | 14.7% |
| Communication Services | 8.8% | 3.3% |
| Consumer Discretionary | 8.7% | 5.1% |
| Other Sectors | 24.5% | 30.2% |
| Unclassified | 1.6% | 16.5% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (2% of URTH, 17% of IDEV).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| URTH | +3.6% | +14.1% | +23.9% | +20.4% | +11.9% | +13.3% | 1.35% |
| IDEV | +4.4% | +14.8% | +25.5% | +18.6% | +9.7% | — | 3.08% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in URTH vs IDEV →
Shared Holdings(781)
The top 10 shared positions account for 12% of the overlap, led by ASML, HSBA and ROP.
 ASMLASML Holding NV | 0.69% | 1.94% | 0.69% |
|---|---|---|---|
 HSBAHSBC Holdings PLC | 0.35% | 1.09% | 0.35% |
 ROPRoche Holding AG CHF0.001 | 0.32% | 0.99% | 0.32% |
 AZNAstraZeneca PLC ORD USD0.25 | 0.31% | 1.01% | 0.31% |
 NOVNNovartis AG CHF0.49 (REGD) | 0.31% | 0.97% | 0.31% |
 RYGovernment Long Bond 1.2x Strategy Fund | 0.29% | 0.87% | 0.29% |
 NESNNestle SA CHF0.10 (REGD) | 0.29% | 0.90% | 0.29% |
 SHELShell PLC ORD EUR0.07 | 0.26% | 0.90% | 0.26% |
 SIESiemens AG (Registered) | 0.26% | 0.78% | 0.26% |
 BHPBHP Group Ltd. NPV | 0.25% | 0.69% | 0.25% |
 8306Mitsubishi UFJ Financial Group Inc. NPV | 0.23% | 0.70% | 0.23% |
 CBACommonwealth Bank of Australia | 0.22% | 0.73% | 0.22% |
 TDThe Toronto-Dominion Bank COM NEW | 0.21% | 0.63% | 0.21% |
 SAPSAP SE | 0.21% | 0.60% | 0.21% |
 SANBanco Santander SA | 0.20% | 0.62% | 0.20% |
 7203Toyota Motor Corp. NPV | 0.20% | 0.63% | 0.20% |
 TTETotalEnergies SE EUR2.5 | 0.19% | 0.64% | 0.19% |
 9984SoftBank Group Corp. | 0.19% | 0.44% | 0.19% |
 SUSchneider Electric SE EUR4.00 | 0.19% | 0.60% | 0.19% |
 ALVAllianz SE NPV(REGD)(VINKULIERT) | 0.19% | 0.60% | 0.19% |
 ABBNABB Ltd. CHF0.12 (REGD) | 0.18% | 0.55% | 0.18% |
 RR-Rolls-Royce Holdings PLC | 0.17% | 0.47% | 0.17% |
 8035Tokyo Electron Ltd. NPV | 0.16% | 0.45% | 0.16% |
 UBSGUBS Group AG (Registered) | 0.16% | 0.49% | 0.16% |
 6501Hitachi Ltd. NPV | 0.16% | 0.50% | 0.16% |
Showing the top 250 of 781 shared holdings by overlap weight.
Frequently Asked Questions
How much do URTH and IDEV overlap?
URTH and IDEV overlap by 27.5% of portfolio weight. They share 781 holdings (URTH holds 1322 positions and IDEV holds 2268), based on each fund's latest SEC-reported holdings.
Is it redundant to own both URTH and IDEV?
The two portfolios are 27.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of URTH and IDEV?
The largest positions held by both funds are ASML, HSBA, ROP, AZN and NOVN. Together the top 10 shared positions account for 12% of the total overlap.
What does URTH own that IDEV doesn't?
541 positions (72.2% of URTH) are unique to URTH, led by NVDA, AAPL and MSFT. In the other direction, 1487 positions (14.1% of IDEV) are unique to IDEV.