IOO vs IEUR overlap
IOO and IEUR overlap 14.7% by weight, across 41 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | IOO | IEUR | Overlap |
|---|---|---|---|
| ASML Holding NVASML | 1.95% | 4.00% | 1.95% |
| HSBC Holdings PLHSBA | 0.82% | 2.29% | 0.82% |
| Astrazeneca PLCAZN | 0.73% | 1.61% | 0.73% |
| Roper TechnologiROP | 0.73% | 1.92% | 0.73% |
| Novartis AG-REGNOVN | 0.72% | 1.79% | 0.72% |
| Nestle SA-REGNESN | 0.67% | 1.61% | 0.67% |
| Siemens AG-REGSIE | 0.59% | 1.52% | 0.59% |
| Shell PLCSHELL | 0.55% | 1.60% | 0.55% |
| Banco SantanderSAN | 0.51% | 1.27% | 0.51% |
| Allianz SE-REGALIZF | 0.45% | 1.18% | 0.45% |
| Schneider ElectrSBGSF | 0.45% | 1.15% | 0.45% |
| ABB Ltd.-REGABBN | 0.43% | 0.96% | 0.43% |
| Totalenergies SETTE | 0.41% | 1.09% | 0.41% |
| SAP SESAPGF | 0.40% | 1.20% | 0.40% |
| UBS Group AGUBS | 0.37% | 1.05% | 0.37% |
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; IEUR, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | IOO | IEUR |
|---|---|---|
| BlackRock, Inc. | $3.9B | $7.2M |
| Bank of America Corp. | $157.2M | $678.2M |
| Envestnet Asset Management Inc. | $46.3M | $671.9M |
| JPMorgan Chase & Co | $6.0M | $655.3M |
| Raymond James Financial Inc. | $90.0M | $441.3M |
| Northwestern Mutual Wealth Management Co | $383.8M | $15.1M |
| Morgan Stanley | $155.2M | $228.9M |
| LPL Financial LLC | $172.3M | $175.0M |
| Janney Montgomery Scott LLC | $7.9M | $309.1M |
| Assetmark, Inc. | $55.8M | $191.7M |
| Truist Financial Corp. | $949K | $191.2M |
| Royal Bank of Canada | $56.8M | $95.2M |
| UBS Group AG | $59.8M | $65.4M |
| Mariner, LLC | $11.8M | $97.7M |
| Cetera Investment Advisers | $47.1M | $61.6M |
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, IEUR institutional holders.
Frequently asked questions
How much do IOO and IEUR overlap?
14.7% by weight, with 41 holdings in common, using holdings for IOO as of June 30, 2026 and IEUR as of July 31, 2026. The largest shared position is ASML.
Do institutions hold both IOO and IEUR?
151 Form 13F filers report positions in both, out of 678 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%.