AIPO vs GRID overlap - what they share and where they differ
AIPO and GRID share 23.6% of their weight across 17 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.
AIPO and GRID
23.6%
17 shared positions
AIPO
Defiance AI & Power Infrastructure ETF
Reported positions cover 100% of the fund, 75 positions · May 31, 2026
Top 10: 51.5%·Holdings of AIPO
GRID
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
Reported positions cover 100% of the fund, 119 positions · Jun 30, 2026
Top 10: 58.4%·Holdings of GRID
Reported positions cover AIPO 100%, GRID 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
GRID vs AIPO side by side
AIPODefiance AI & Power Infrastructure ETF
75
stock positions reported to the SEC
61.4% of its weight is in 58 names GRID does not hold
GRIDFirst Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
119
stock positions reported to the SEC
72.4% of its weight is in 102 names AIPO does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: AIPO has 27.8 points more of it.
The figures side by side
| AIPO | GRID | |
|---|---|---|
| Filing date | May 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 75 | 119 |
| Weight of the ten largest | 51.5% | 58.4% |
| Largest position | PWR 7.9% | EATON CORP PLC 8.5% |
| Held alone | 58 positions, 61.4% | 102 positions, 72.4% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In AIPO | In GRID | Counted |
|---|---|---|---|
| PWRQuanta Services Inc | 7.91% | 8.10% | 7.91% |
| EATON CORP PLC | 7.10% | 8.52% | 7.10% |
| NVDANVIDIA Corp | 3.58% | 1.90% | 1.90% |
| NVENT ELECTRIC PLC | 1.87% | 2.87% | 1.87% |
| HUBBHubbell Inc | 1.70% | 2.61% | 1.70% |
| GEVGE Vernova Inc | 7.21% | 1.06% | 1.06% |
| MYRGMYR Group Inc | 0.76% | 0.76% | 0.76% |
| ITRIItron Inc | 0.46% | 0.34% | 0.34% |
| ATKRAtkore Inc | 0.57% | 0.25% | 0.25% |
| AMSCAmerican Superconductor Corp | 0.65% | 0.21% | 0.21% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in AIPO
Only in GRID
Questions people ask
Is AIPO the same as GRID?
23.6% of their weight sits in the same 17 holdings. AIPO also reports VRT, BE, AVGO, which the other does not. GRID also reports SCHNEIDER ELECTRIC SE, ABB LTD (CH), JCI, which the other does not.
How is the overlap between AIPO and GRID 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 AIPO and 100% of GRID, so the number cannot exceed the smaller coverage.
Which holds more, GRID or AIPO?
AIPO reports 75 stock positions and GRID reports 119. 61.4% of AIPO's weight sits in names GRID does not hold, and 72.4% of GRID's weight in names AIPO does not hold. The ten largest positions are 51.5% of AIPO and 58.4% of GRID.
How do AIPO and GRID differ by sector?
The widest gap is Technology: AIPO has 27.8 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.