IYZ vs UFO overlap - what they share and where they differ
IYZ and UFO share 11.6% of their weight across 5 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
IYZ and UFO
11.6%
5 shared positions
IYZ
iShares U.S. Telecommunications ETF
Reported positions cover 100% of the fund, 22 positions · Jun 30, 2026
Top 10: 69.5%·Holdings of IYZ
UFO
Procure Space ETF
Reported positions cover 100% of the fund, 64 positions · Jul 31, 2026
Top 10: 48.4%·Holdings of UFO
Reported positions cover IYZ 100%, UFO 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
UFO vs IYZ side by side
IYZiShares U.S. Telecommunications ETF
22
stock positions reported to the SEC
85.6% of its weight is in 17 names UFO does not hold
UFOProcure Space ETF
64
stock positions reported to the SEC
83.1% of its weight is in 59 names IYZ does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Industrials: UFO has 33.8 points more of it.
The figures side by side
| IYZ | UFO | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jul 31, 2026 |
| Stock positions reported | 22 | 64 |
| Weight of the ten largest | 69.5% | 48.4% |
| Largest position | CSCO 22.6% | GRMN 7.0% |
| Held alone | 17 positions, 85.6% | 59 positions, 83.1% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In IYZ | In UFO | Counted |
|---|---|---|---|
| IRDMIRIDIUM COMMUNICATIONS INC. | 2.95% | 3.65% | 2.95% |
| ASTSAST SPACEMOBILE, INC. | 2.78% | 4.04% | 2.78% |
| GSATGLOBALSTAR, INC. | 2.46% | 3.65% | 2.46% |
| ECHOECHOSTAR CORPORATION | 2.34% | 4.17% | 2.34% |
| CMCSACOMCAST CORPORATION | 3.79% | 1.05% | 1.05% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IYZ
Only in UFO
Questions people ask
Is IYZ the same as UFO?
11.6% of their weight sits in the same 5 holdings. IYZ also reports CSCO, ANET, VZ, which the other does not. UFO also reports GRMN, TRMB, VSAT, which the other does not.
How is the overlap between IYZ and UFO measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of IYZ and 100% of UFO, so the number cannot exceed the smaller coverage.
Which holds more, UFO or IYZ?
IYZ reports 22 stock positions and UFO reports 64. 85.6% of IYZ's weight sits in names UFO does not hold, and 83.1% of UFO's weight in names IYZ does not hold. The ten largest positions are 69.5% of IYZ and 48.4% of UFO.
How do IYZ and UFO differ by sector?
The widest gap is Industrials: UFO has 33.8 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.