IOO vs IXUS: Holdings Overlap
iShares · 110 holdings · $9.3B · as of 2026-03-31
IXUSiShares Core MSCI Total International Stock ETF
iShares · 4190 holdings · $59.9B · as of 2026-04-30
Holdings snapshots are 30 days apart (IOO: 2026-03-31, IXUS: 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 IOO and IXUS?
iShares Global 100 ETF (IOO, by iShares) holds 110 positions; iShares Core MSCI Total International Stock ETF (IXUS, by iShares) holds 4190. They have 59 holdings in common, and by portfolio weight the two funds are 17.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 17.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 59IOO holds 110 · IXUS holds 4190
- Weight in Shared Holdings
- IOO 21%·IXUS 18%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 IOO
51 of 110 positions (78.9% of the fund) are not held by IXUS. Showing the top 30 by weight.
Only in IXUS
4131 of 4190 positions (81.7% of the fund) are not held by IOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | IOO | IXUS |
|---|---|---|
| Information Technology | 42.3% | 15.2% |
| Financials | 10.0% | 18.7% |
| Industrials | 5.0% | 10.9% |
| Communication Services | 10.1% | 3.9% |
| Health Care | 9.8% | 5.3% |
| Other Sectors | 22.5% | 23.8% |
| Unclassified | 0.0% | 21.9% |
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 (0% of IOO, 22% of IXUS).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IOO | +5.6% | +16.0% | +31.2% | +25.4% | +16.4% | +16.6% | 0.80% |
| IXUS | +3.0% | +16.5% | +27.9% | +19.1% | +9.2% | +9.7% | 2.88% |
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 IOO vs IXUS →
Shared Holdings(59)
The top 10 shared positions account for 47% of the overlap, led by 005930, ASML and 700.
 005930Samsung Electronics Co Ltd | 1.66% | 1.68% | 1.66% |
|---|---|---|---|
 ASMLASML Holding NV | 1.48% | 1.32% | 1.32% |
 700Tencent Holdings Ltd. | 1.10% | 0.91% | 0.91% |
 HSBAHSBC Holdings PLC | 0.81% | 0.74% | 0.74% |
 AZNAstraZeneca PLC ORD USD0.25 | 0.87% | 0.69% | 0.69% |
 ROPRoche Holding AG | 0.80% | 0.68% | 0.68% |
 NOVNNovartis AG (Registered) | 0.84% | 0.66% | 0.66% |
 NESNNestle SA (Registered) | 0.72% | 0.61% | 0.61% |
 SHELShell PLC | 0.75% | 0.61% | 0.61% |
 SIESiemens AG (Registered) | 0.51% | 0.53% | 0.51% |
 8306Mitsubishi UFJ Financial Group Inc. NPV | 0.58% | 0.47% | 0.47% |
 BHPBHP Group Ltd. | 0.52% | 0.47% | 0.47% |
 TTETotalEnergies SE EUR2.5 | 0.53% | 0.43% | 0.43% |
 7203Toyota Motor Corp. NPV | 0.70% | 0.43% | 0.43% |
 SANBanco Santander SA | 0.48% | 0.42% | 0.42% |
 SAPSAP SE | 0.50% | 0.41% | 0.41% |
 SUSchneider Electric SE | 0.42% | 0.41% | 0.41% |
 ALVAllianz SE (Registered) | 0.46% | 0.41% | 0.41% |
 ABBNABB Ltd. (Registered) | 0.36% | 0.37% | 0.36% |
 UBSGUBS Group AG (Registered) | 0.34% | 0.33% | 0.33% |
 MCLVMH Moet Hennessy Louis Vuitton SE | 0.40% | 0.31% | 0.31% |
 BBVABanco Bilbao Vizcaya Argentaria SA | 0.36% | 0.30% | 0.30% |
 ULVRUnilever PLC | 0.34% | 0.30% | 0.30% |
 BP-BP plc | 0.35% | 0.29% | 0.29% |
 6758Sony Group Corp. NPV | 0.37% | 0.29% | 0.29% |
Frequently Asked Questions
How much do IOO and IXUS overlap?
IOO and IXUS overlap by 17.8% of portfolio weight. They share 59 holdings (IOO holds 110 positions and IXUS holds 4190), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IOO and IXUS?
The two portfolios are 17.8% 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 IOO and IXUS?
The largest positions held by both funds are 005930, ASML, 700, HSBA and AZN. Together the top 10 shared positions account for 47% of the total overlap.
What does IOO own that IXUS doesn't?
51 positions (78.9% of IOO) are unique to IOO, led by NVDA, AAPL and MSFT. In the other direction, 4131 positions (81.7% of IXUS) are unique to IXUS.