FDN vs VOX overlap - what they share and where they differ
FDN and VOX share 25.1% of their weight across 4 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.
FDN and VOX
25.1%
4 shared positions
FDN
First Trust Dow Jones Internet Index Fund
Reported positions cover 100% of the fund, 40 positions · Jun 30, 2026
Top 10: 64.5%·Holdings of FDN
VOX
VANGUARD COMMUNICATION SERVICES INDEX FUND
Reported positions cover 100% of the fund, 103 positions · May 31, 2026
Top 10: 73.9%·Holdings of VOX
Reported positions cover FDN 100%, VOX 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VOX vs FDN side by side
FDNFirst Trust Dow Jones Internet Index Fund
40
stock positions reported to the SEC
74.7% of its weight is in 36 names VOX does not hold
VOXVANGUARD COMMUNICATION SERVICES INDEX FUND
103
stock positions reported to the SEC
45.9% of its weight is in 99 names FDN does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Communication Services: VOX has 35.6 points more of it.
The figures side by side
| FDN | VOX | |
|---|---|---|
| Filing date | Jun 30, 2026 | May 31, 2026 |
| Stock positions reported | 40 | 103 |
| Weight of the ten largest | 64.5% | 73.9% |
| Largest position | AMZN 10.0% | GOOGL 26.7% |
| Held alone | 36 positions, 74.7% | 99 positions, 45.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In FDN | In VOX | Counted |
|---|---|---|---|
| GOOGLALPHABET INC | 9.98% | 26.66% | 9.98% |
| METAMETA PLATFORMS INC | 9.83% | 21.05% | 9.83% |
| NFLXNETFLIX INC | 3.90% | 4.75% | 3.90% |
| RBLXROBLOX CORP | 1.50% | 1.36% | 1.36% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in FDN
Only in VOX
Questions people ask
Is FDN the same as VOX?
25.1% of their weight sits in the same 4 holdings. FDN also reports AMZN, CSCO, ANET, which the other does not. VOX also reports VZ, DIS, T, which the other does not.
How is the overlap between FDN and VOX 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 FDN and 100% of VOX, so the number cannot exceed the smaller coverage.
Which holds more, VOX or FDN?
FDN reports 40 stock positions and VOX reports 103. 74.7% of FDN's weight sits in names VOX does not hold, and 45.9% of VOX's weight in names FDN does not hold. The ten largest positions are 64.5% of FDN and 73.9% of VOX.
How do FDN and VOX differ by sector?
The widest gap is Communication Services: VOX has 35.6 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.