FXN vs OIH overlap - what they share and where they differ
FXN and OIH share 12.8% of their weight across 6 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.
FXN and OIH
12.8%
6 shared positions
FXN
First Trust Energy AlphaDEX Fund
Reported positions cover 100% of the fund, 39 positions · Jul 31, 2026
Top 10: 44.4%·Holdings of FXN
OIH
VanEck Oil Services ETF
Reported positions cover 100% of the fund, 25 positions · Jun 30, 2026
Top 10: 70.6%·Holdings of OIH
Reported positions cover FXN 100%, OIH 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
OIH vs FXN side by side
FXNFirst Trust Energy AlphaDEX Fund
39
stock positions reported to the SEC
87.1% of its weight is in 33 names OIH does not hold
OIHVanEck Oil Services ETF
25
stock positions reported to the SEC
47.9% of its weight is in 19 names FXN does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: FXN has 3.9 points more of it.
The figures side by side
| FXN | OIH | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 39 | 25 |
| Weight of the ten largest | 44.4% | 70.6% |
| Largest position | DINO 5.7% | SLB 19.0% |
| Held alone | 33 positions, 87.1% | 19 positions, 47.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In FXN | In OIH | Counted |
|---|---|---|---|
| WFRDWEATHERFORD INTERNATIONAL PLC | 3.28% | 4.24% | 3.28% |
| SLBSLB LTD | 2.44% | 19.00% | 2.44% |
| HALHALLIBURTON COMPANY | 2.17% | 6.45% | 2.17% |
| BKRBAKER HUGHES COMPANY | 1.66% | 11.86% | 1.66% |
| FTITECHNIPFMC PLC | 1.65% | 6.96% | 1.65% |
| NOVNOV INC | 1.60% | 3.60% | 1.60% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in FXN
Only in OIH
Questions people ask
Is FXN the same as OIH?
12.8% of their weight sits in the same 6 holdings. FXN also reports DINO, APA, DVN, which the other does not. OIH also reports SEI, TENARIS S.A., RIG, which the other does not.
How is the overlap between FXN and OIH 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 FXN and 100% of OIH, so the number cannot exceed the smaller coverage.
Which holds more, OIH or FXN?
FXN reports 39 stock positions and OIH reports 25. 87.1% of FXN's weight sits in names OIH does not hold, and 47.9% of OIH's weight in names FXN does not hold. The ten largest positions are 44.4% of FXN and 70.6% of OIH.
How do FXN and OIH differ by sector?
The widest gap is Technology: FXN has 3.9 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.