IDEV vs DFAI: Holdings Overlap
IDEViShares Core MSCI International Developed Markets ETF
iShares · 2268 holdings · $31.8B · as of 2026-04-30
DFAIDimensional International Core Equity Market ETF
Dimensional · 3726 holdings · $17.5B · as of 2026-04-30
How similar are IDEV and DFAI?
iShares Core MSCI International Developed Markets ETF (IDEV, by iShares) holds 2268 positions; Dimensional International Core Equity Market ETF (DFAI, by Dimensional) holds 3726. They have 1871 holdings in common, and by portfolio weight the two funds are 81.9% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 81.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1871IDEV holds 2268 · DFAI holds 3726
- Weight in Shared Holdings
- IDEV 94%·DFAI 93%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 IDEV
397 of 2268 positions (5.9% of the fund) are not held by DFAI. Showing the top 30 by weight.
Only in DFAI
1855 of 3726 positions (6.7% of the fund) are not held by IDEV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IDEV | DFAI |
|---|---|---|
| Financials | 21.8% | 20.2% |
| Industrials | 14.7% | 13.8% |
| Information Technology | 7.8% | 6.9% |
| Health Care | 7.3% | 7.2% |
| Materials | 6.8% | 7.1% |
| Other Sectors | 24.5% | 23.3% |
| Unclassified | 16.5% | 20.8% |
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 (17% of IDEV, 21% of DFAI).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IDEV | +4.4% | +14.8% | +25.5% | +18.6% | +9.7% | — | 3.08% |
| DFAI | +4.2% | +15.2% | +26.8% | +19.3% | +10.7% | — | 2.24% |
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 IDEV vs DFAI →
Shared Holdings(1871)
The top 10 shared positions account for 10% of the overlap, led by HSBA, ROP and AZN.
 HSBAHSBC Holdings PLC | 1.09% | 1.04% | 1.04% |
|---|---|---|---|
 ROPRoche Holding AG | 0.99% | 0.97% | 0.97% |
 AZNAstraZeneca PLC ORD USD0.25 | 1.01% | 0.95% | 0.95% |
 SHELShell PLC | 0.90% | 1.04% | 0.90% |
 NESNNestle SA (Registered) | 0.90% | 0.90% | 0.90% |
 RYGovernment Long Bond 1.2x Strategy Fund | 0.87% | 0.91% | 0.87% |
 8306Mitsubishi UFJ Financial Group Inc. NPV | 0.70% | 0.66% | 0.66% |
 TTETotalEnergies SE EUR2.5 | 0.64% | 0.65% | 0.64% |
 7203Toyota Motor Corp. NPV | 0.63% | 0.64% | 0.63% |
 TDThe Toronto-Dominion Bank COM NEW | 0.63% | 0.60% | 0.60% |
 BHPBHP Group Ltd. | 0.69% | 0.56% | 0.56% |
 SIESiemens AG (Registered) | 0.78% | 0.55% | 0.55% |
 CBACommonwealth Bank of Australia | 0.73% | 0.54% | 0.54% |
 6857Advantest Corp. NPV | 0.49% | 0.49% | 0.49% |
 ENRSiemens Energy AG | 0.57% | 0.47% | 0.47% |
 MCLVMH Moet Hennessy Louis Vuitton SE | 0.46% | 0.48% | 0.46% |
 RR-Rolls-Royce Holdings PLC | 0.47% | 0.46% | 0.46% |
 8035Tokyo Electron Ltd. NPV | 0.45% | 0.48% | 0.45% |
 NOVOBNovo Nordisk A/S, Class B | 0.47% | 0.44% | 0.44% |
 6501Hitachi Ltd. NPV | 0.50% | 0.43% | 0.43% |
 ALVAllianz SE (Registered) | 0.60% | 0.43% | 0.43% |
 BP-BP plc | 0.43% | 0.56% | 0.43% |
 SAPSAP SE | 0.60% | 0.42% | 0.42% |
 6758Sony Group Corp. NPV | 0.42% | 0.48% | 0.42% |
 UBSGUBS Group AG (Registered) | 0.49% | 0.42% | 0.42% |
Showing the top 250 of 1871 shared holdings by overlap weight.
Frequently Asked Questions
How much do IDEV and DFAI overlap?
IDEV and DFAI overlap by 81.9% of portfolio weight. They share 1871 holdings (IDEV holds 2268 positions and DFAI holds 3726), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDEV and DFAI?
The two portfolios are 81.9% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of IDEV and DFAI?
The largest positions held by both funds are HSBA, ROP, AZN, SHEL and NESN. Together the top 10 shared positions account for 10% of the total overlap.
What does IDEV own that DFAI doesn't?
397 positions (5.9% of IDEV) are unique to IDEV, led by 9984, INVEB and SPOT. In the other direction, 1855 positions (6.7% of DFAI) are unique to DFAI.