IWO vs IWN overlap
IWO and IWN overlap 10.8% by weight, across 538 shared holdings.
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Top shared holdings
| Holding | IWO | IWN | Overlap |
|---|---|---|---|
| HUT 8 Corp.HUT | 0.38% | 0.36% | 0.36% |
| RIOT Platforms IRIOT | 0.39% | 0.21% | 0.21% |
| Vaxcyte Inc.PCVX | 0.29% | 0.16% | 0.16% |
| Fluor Corp.FLR | 0.14% | 0.34% | 0.14% |
| Arcosa Inc.ACA | 0.13% | 0.32% | 0.13% |
| First FIN BankshFFIN | 0.13% | 0.16% | 0.13% |
| Champion Homes ISKY | 0.13% | 0.18% | 0.13% |
| Alkermes PLCALKS | 0.42% | 0.11% | 0.11% |
| Valley NATL BANCVLY | 0.11% | 0.34% | 0.11% |
| PJT Partners - aPJT | 0.12% | 0.11% | 0.11% |
| Openlane Inc.OPLN | 0.11% | 0.17% | 0.11% |
| Benchmark ElectrBHE | 0.10% | 0.12% | 0.10% |
| Urban OutfitterURBN | 0.09% | 0.16% | 0.09% |
| Core Natural RESCNR | 0.09% | 0.16% | 0.09% |
| Phinia Inc.PHIN | 0.10% | 0.09% | 0.09% |
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: IWO, SEC Form N-PORT, June 30, 2026; IWN, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | IWO | IWN |
|---|---|---|
| Bank of America Corp. | $1.4B | $1.4B |
| Morgan Stanley | $917.3M | $937.6M |
| Envestnet Asset Management Inc. | $425.6M | $473.0M |
| Goldman Sachs Group Inc. | $380.5M | $154.0M |
| Cassaday & Co Wealth Management LLC | $373.1M | $144.8M |
| TIAA Wealth Investment Management LLC | $182.8M | $330.9M |
| D.A. Davidson & Co. | $216.8M | $283.5M |
| LPL Financial LLC | $235.8M | $258.0M |
| TIAA-CREF Individual & Institutional Services, LLC | $215.3M | $269.6M |
| PNC Financial Services Group, Inc. | $233.5M | $241.3M |
| Wells Fargo & Company | $277.7M | $191.6M |
| M&T Bank Corp | $135.8M | $265.0M |
| UBS Group AG | $201.4M | $169.6M |
| Commonwealth Equity Services, LLC | $167.6M | $167.4M |
| Northern Trust Corp. | $162.7M | $132.7M |
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: IWO institutional holders, IWN institutional holders.
Frequently asked questions
How much do IWO and IWN overlap?
10.8% by weight, with 538 holdings in common, using holdings for IWO as of June 30, 2026 and IWN as of June 30, 2026. The largest shared position is HUT.
Do institutions hold both IWO and IWN?
740 Form 13F filers report positions in both, out of 1,440 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%.