IDEV vs SPDW: Holdings Overlap
IDEViShares Core MSCI International Developed Markets ETF
iShares · 2268 holdings · $31.8B · as of 2026-04-30
SPDWState Street® SPDR® Portfolio Developed World ex-US ETF
State Street (SPDR) · 2342 holdings · $40.5B · as of 2026-08-04
Holdings snapshots are 96 days apart (IDEV: 2026-04-30, SPDW: 2026-08-04). 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 IDEV and SPDW?
iShares Core MSCI International Developed Markets ETF (IDEV, by iShares) holds 2268 positions; State Street® SPDR® Portfolio Developed World ex-US ETF (SPDW, by State Street (SPDR)) holds 2342. They have 1592 holdings in common, and by portfolio weight the two funds are 82.0% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 82.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1592IDEV holds 2268 · SPDW holds 2342
- Weight in Shared Holdings
- IDEV 92%·SPDW 88%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
676 of 2268 positions (7.2% of the fund) are not held by SPDW. Showing the top 30 by weight.
Only in SPDW
750 of 2342 positions (11.1% of the fund) are not held by IDEV. Showing the top 30 by weight.
SMSNSamsung Electronics Co Ltd2.29%
A000660SK hynix Inc1.68%
A005935Samsung Electronics Co Ltd0.28%
A402340SK Square Co Ltd0.18%
A105560KB Financial Group Inc0.15%
A009150Samsung Electro-Mechanics Co Ltd0.14%
Sector Breakdown
| Sector | IDEV | SPDW |
|---|---|---|
| Financials | 21.8% | 21.9% |
| Industrials | 14.7% | 13.2% |
| Information Technology | 7.8% | 12.6% |
| Health Care | 7.3% | 6.3% |
| Materials | 6.8% | 5.9% |
| Other Sectors | 24.5% | 21.5% |
| Unclassified | 16.5% | 17.3% |
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, 18% of SPDW).
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% |
| SPDW | +3.1% | +17.9% | +30.1% | +19.9% | +10.1% | +10.3% | 2.94% |
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 SPDW →
Shared Holdings(1592)
The top 10 shared positions account for 11% of the overlap, led by ASML, HSBA and ROP.
 ASMLASML Holding NV | 1.94% | 1.96% | 1.94% |
|---|---|---|---|
 HSBAHSBC Holdings PLC | 1.09% | 1.03% | 1.03% |
 ROPRoche Holding AG | 0.99% | 0.93% | 0.93% |
 RYGovernment Long Bond 1.2x Strategy Fund | 0.87% | 0.87% | 0.87% |
 NOVNNovartis AG (Registered) | 0.97% | 0.83% | 0.83% |
 NESNNestle SA (Registered) | 0.90% | 0.76% | 0.76% |
 SHELShell PLC | 0.90% | 0.76% | 0.76% |
 AZNAstraZeneca PLC ORD USD0.25 | 1.01% | 0.73% | 0.73% |
 8306Mitsubishi UFJ Financial Group Inc. NPV | 0.70% | 0.81% | 0.70% |
 SIESiemens AG (Registered) | 0.78% | 0.68% | 0.68% |
 BHPBHP Group Ltd. | 0.69% | 0.66% | 0.66% |
 7203Toyota Motor Corp. NPV | 0.63% | 0.67% | 0.63% |
 CBACommonwealth Bank of Australia | 0.73% | 0.62% | 0.62% |
 SANBanco Santander SA | 0.62% | 0.64% | 0.62% |
 TDThe Toronto-Dominion Bank COM NEW | 0.63% | 0.59% | 0.59% |
 SAPSAP SE | 0.60% | 0.59% | 0.59% |
 SUSchneider Electric SE | 0.60% | 0.57% | 0.57% |
 ALVAllianz SE (Registered) | 0.60% | 0.56% | 0.56% |
 SHOPShopify, Inc., Class A | 0.51% | 0.53% | 0.51% |
 TTETotalEnergies SE EUR2.5 | 0.64% | 0.51% | 0.51% |
 UBSGUBS Group AG (Registered) | 0.49% | 0.50% | 0.49% |
 ABBNABB Ltd. (Registered) | 0.55% | 0.48% | 0.48% |
 6857Advantest Corp. NPV | 0.49% | 0.48% | 0.48% |
 RR-Rolls-Royce Holdings PLC | 0.47% | 0.54% | 0.47% |
 6501Hitachi Ltd. NPV | 0.50% | 0.47% | 0.47% |
Showing the top 250 of 1592 shared holdings by overlap weight.
Frequently Asked Questions
How much do IDEV and SPDW overlap?
IDEV and SPDW overlap by 82.0% of portfolio weight. They share 1592 holdings (IDEV holds 2268 positions and SPDW holds 2342), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IDEV and SPDW?
The two portfolios are 82.0% 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 SPDW?
The largest positions held by both funds are ASML, HSBA, ROP, RY and NOVN. Together the top 10 shared positions account for 11% of the total overlap.
What does IDEV own that SPDW doesn't?
676 positions (7.2% of IDEV) are unique to IDEV, led by SAN, WBC and 8031. In the other direction, 750 positions (11.1% of SPDW) are unique to SPDW.