TMFX vs OPTZ overlap
TMFX and OPTZ overlap 6.3% by weight, across 32 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
| Holding | TMFX | OPTZ | Overlap |
|---|---|---|---|
| First Solar Inc.FSLR | 1.64% | 1.22% | 1.22% |
| Borgwarner Inc.BWA | 0.73% | 0.29% | 0.29% |
| Casey's GeneralCASY | 1.39% | 0.27% | 0.27% |
| DuolingoDUOL | 0.25% | 0.25% | 0.25% |
| ROKU Inc.ROKU | 0.95% | 0.25% | 0.25% |
| Axsome TherapeutAXSM | 0.57% | 0.23% | 0.23% |
| Reddit Inc.-aRDDT | 1.69% | 0.23% | 0.23% |
| Neurocrine BioscNBIX | 0.76% | 0.20% | 0.20% |
| ZOOM CommunicatiZM | 1.52% | 0.20% | 0.20% |
| Hasbro Inc.HAS | 0.60% | 0.20% | 0.20% |
| Bread FinancialBFH | 0.19% | 0.25% | 0.19% |
| Five BelowFIVE | 0.62% | 0.19% | 0.19% |
| Incyte Corp.INCY | 0.94% | 0.18% | 0.18% |
| Mastec Inc.MTZ | 1.49% | 0.18% | 0.18% |
| Repligen Corp.RGEN | 0.33% | 0.18% | 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: TMFX, SEC Form N-PORT, May 31, 2026; OPTZ, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | TMFX | OPTZ |
|---|---|---|
| Susquehanna International Group, LLP | $358K | $817K |
| Citadel Advisors LLC | $499K | $585K |
| UBS Group AG | $35K | $33K |
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: TMFX institutional holders, OPTZ institutional holders.
Frequently asked questions
How much do TMFX and OPTZ overlap?
6.3% by weight, with 32 holdings in common, using holdings for TMFX as of May 31, 2026 and OPTZ as of June 30, 2026. The largest shared position is FSLR.
Do institutions hold both TMFX and OPTZ?
3 Form 13F filers report positions in both, out of 15 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%.