SPMD vs MDY overlap
SPMD and MDY overlap 99.8% by weight, across 400 shared holdings. MDY is shown using IJH, which tracks the same index.
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MDY files no portfolio holdings with the SEC; shown using IJH, which tracks the same index, as of June 30, 2026.
Top shared holdings
| Holding | SPMD | MDY | Overlap |
|---|---|---|---|
| Twilio Inc. - aTWLO | 0.86% | 0.86% | 0.86% |
| Carpenter TechCRS | 0.84% | 0.84% | 0.84% |
| MKS Inc.MKSI | 0.83% | 0.83% | 0.83% |
| Curtiss-WrightCW | 0.77% | 0.77% | 0.77% |
| Nvent ElectricNVT | 0.76% | 0.76% | 0.76% |
| Entegris Inc.ENTG | 0.76% | 0.76% | 0.76% |
| ATI Inc.ATI | 0.74% | 0.74% | 0.74% |
| Illumina Inc.ILMN | 0.73% | 0.73% | 0.73% |
| Technipfmc PLCFTI | 0.73% | 0.73% | 0.73% |
| Sterling InfrastSTRL | 0.71% | 0.71% | 0.71% |
| Mastec Inc.MTZ | 0.71% | 0.71% | 0.71% |
| Woodward Inc.WWD | 0.70% | 0.70% | 0.70% |
| Macom TechnologyMTSI | 0.69% | 0.69% | 0.69% |
| Everpure Inc.-aP | 0.68% | 0.68% | 0.68% |
| XPO Inc.XPO | 0.66% | 0.66% | 0.66% |
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: SPMD, SEC Form N-PORT, June 30, 2026; MDY, IJH's SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | SPMD | MDY |
|---|---|---|
| Creative Planning | $6.8B | $166.1M |
| Bank of America Corp. | $585.0M | $1.4B |
| Betterment LLC | $1.3B | $840K |
| Morgan Stanley | $263.0M | $868.9M |
| LPL Financial LLC | $909.1M | $116.9M |
| Wells Fargo & Company | $102.6M | $829.2M |
| Northwestern Mutual Wealth Management Co | $129.6M | $635.4M |
| Northern Trust Corp. | $9.6M | $738.2M |
| Goldman Sachs Group Inc. | $62.2M | $637.4M |
| US Bancorp | $515K | $677.9M |
| Pathstone Holdings, LLC | $11.2M | $597.5M |
| UBS Group AG | $115.9M | $457.9M |
| PNC Financial Services Group, Inc. | $661K | $487.7M |
| Valmark Advisers, Inc. | $479.6M | $2.1M |
| Raymond James Financial Inc. | $82.7M | $343.8M |
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: SPMD institutional holders, MDY institutional holders.
Frequently asked questions
How much do SPMD and MDY overlap?
99.8% by weight, with 400 holdings in common, using holdings for SPMD as of June 30, 2026 and MDY as of June 30, 2026. The largest shared position is TWLO.
Do institutions hold both SPMD and MDY?
470 Form 13F filers report positions in both, out of 1,905 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%.