IOO vs EZU overlap
IOO and EZU overlap 7.7% by weight, across 22 shared holdings.
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Top shared holdings
| Holding | IOO | EZU | Overlap |
|---|---|---|---|
| ASML Holding NVASML | 1.95% | 8.09% | 1.95% |
| Siemens AG-REGSIE | 0.59% | 3.07% | 0.59% |
| Banco SantanderSAN | 0.51% | 2.37% | 0.51% |
| Allianz SE-REGALIZF | 0.45% | 2.17% | 0.45% |
| Schneider ElectrSBGSF | 0.45% | 2.22% | 0.45% |
| Totalenergies SETTE | 0.41% | 2.24% | 0.41% |
| SAP SESAPGF | 0.40% | 2.43% | 0.40% |
| BBVABBVA | 0.36% | 1.72% | 0.36% |
| LVMH MOET HenneMC | 0.35% | 1.75% | 0.35% |
| L'OREALLRLCF | 0.25% | 1.37% | 0.25% |
| Deutsche TelekomDTE | 0.24% | 1.59% | 0.24% |
| SanofiSAN | 0.23% | 1.24% | 0.23% |
| ING Groep NVINGA | 0.22% | 1.17% | 0.22% |
| AXACS | 0.21% | 0.99% | 0.21% |
| Muenchener RUE-RMUV2 | 0.18% | 0.88% | 0.18% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: IOO, SEC Form N-PORT, June 30, 2026; EZU, SEC Form N-PORT, May 31, 2026.
Largest institutions holding both
| Firm | IOO | EZU |
|---|---|---|
| BlackRock, Inc. | $3.9B | $655.6M |
| Royal Bank of Canada | $56.8M | $992.3M |
| FMR LLC | $4.3M | $968.0M |
| Bank of America Corp. | $157.2M | $603.3M |
| Northwestern Mutual Wealth Management Co | $383.8M | $280.1M |
| Goldman Sachs Group Inc. | $3.8M | $575.6M |
| Morgan Stanley | $155.2M | $257.0M |
| UBS Group AG | $59.8M | $221.5M |
| LPL Financial LLC | $172.3M | $33.9M |
| Raymond James Financial Inc. | $90.0M | $14.0M |
| Wells Fargo & Company | $40.7M | $60.1M |
| Ameriprise Financial Inc. | $33.4M | $64.1M |
| Osaic Holdings, Inc. | $35.5M | $44.8M |
| Cetera Investment Advisers | $47.1M | $26.2M |
| Envestnet Asset Management Inc. | $46.3M | $19.8M |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: IOO institutional holders, EZU institutional holders.
Frequently asked questions
How much do IOO and EZU overlap?
7.7% by weight, with 22 holdings in common, using holdings for IOO as of June 30, 2026 and EZU as of May 31, 2026. The largest shared position is ASML.
Do institutions hold both IOO and EZU?
117 Form 13F filers report positions in both, out of 620 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.