VOO vs IWD overlap
VOO and IWD overlap 57.1% by weight, across 425 shared holdings.
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Top shared holdings
| Holding | VOO | IWD | Overlap |
|---|---|---|---|
| Apple Inc.AAPL | 6.59% | 5.37% | 5.37% |
| Microsoft Corp.MSFT | 4.30% | 3.88% | 3.88% |
| Amazon.COM Inc.AMZN | 3.62% | 5.93% | 3.62% |
| Berkshire HATH-BBRK/B | 1.42% | 2.61% | 1.42% |
| JPMorgan ChaseJPM | 1.26% | 2.45% | 1.26% |
| Intel Corp.INTC | 1.02% | 1.72% | 1.02% |
| Johnson&JohnsonJNJ | 0.95% | 1.71% | 0.95% |
| Exxon Mobil Corp.XOM | 0.88% | 1.59% | 0.88% |
| Walmart Inc.WMT | 0.77% | 1.27% | 0.77% |
| Cisco SystemsCSCO | 0.72% | 1.30% | 0.72% |
| Abbvie Inc.ABBV | 0.69% | 1.15% | 0.69% |
| Costco WholesaleCOST | 0.64% | 0.65% | 0.64% |
| META Platforms-aMETA | 1.92% | 0.63% | 0.63% |
| Unitedhealth GRPUNH | 0.59% | 1.05% | 0.59% |
| Bank of AmericaBAC | 0.58% | 0.98% | 0.58% |
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: VOO, SEC Form N-PORT, June 30, 2026; IWD, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | VOO | IWD |
|---|---|---|
| Bank of America Corp. | $19.1B | $10.8B |
| Morgan Stanley | $17.1B | $9.9B |
| Raymond James Financial Inc. | $21.4B | $1.3B |
| JPMorgan Chase & Co | $16.3B | $2.1B |
| Goldman Sachs Group Inc. | $10.6B | $2.8B |
| Jones Financial Companies LLLP | $12.4B | $659.8M |
| Envestnet Asset Management Inc. | $7.4B | $1.6B |
| Royal Bank of Canada | $5.8B | $530.3M |
| Wells Fargo & Company | $4.4B | $1.4B |
| LPL Financial LLC | $4.5B | $980.1M |
| Ameriprise Financial Inc. | $3.0B | $2.1B |
| UBS Group AG | $3.3B | $1.5B |
| Cerity Partners LLC | $3.6B | $205.6M |
| Mercer Global Advisors Inc. | $3.8B | $62.4M |
| Cambridge Investment Research Advisors, Inc. | $2.8B | $61.7M |
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: VOO institutional holders, IWD institutional holders.
Frequently asked questions
How much do VOO and IWD overlap?
57.1% by weight, with 425 holdings in common, using holdings for VOO as of June 30, 2026 and IWD as of June 30, 2026. The largest shared position is AAPL.
Do institutions hold both VOO and IWD?
1,691 Form 13F filers report positions in both, out of 4,290 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%.