OPTZ vs GDXW overlap
OPTZ and GDXW overlap 0.0% by weight, across 0 shared holdings.
Pick 2 to 4 ETFs.
Top shared holdings
These funds hold nothing in common.
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: OPTZ, SEC Form N-PORT, June 30, 2026; GDXW, SEC Form N-PORT, June 30, 2026.
Largest institutions holding both
| Firm | OPTZ | GDXW |
|---|---|---|
| Susquehanna International Group, LLP | $817K | $869K |
| Jane Street Group, LLC | $227K | $737K |
| UBS Group AG | $33K | $25K |
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: OPTZ institutional holders, GDXW institutional holders.
Frequently asked questions
How much do OPTZ and GDXW overlap?
0.0% by weight, with 0 holdings in common, using holdings for OPTZ as of June 30, 2026 and GDXW as of June 30, 2026.
Do institutions hold both OPTZ and GDXW?
3 Form 13F filers report positions in both, out of 7 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%.