IWY vs VUG overlap - what they share and where they differ
IWY and VUG share 74.5% of their weight across 61 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.
IWY and VUG
74.5%
61 shared positions
IWY
iShares Russell Top 200 Growth ETF
Reported positions cover 100% of the fund, 100 positions · Jun 30, 2026
Top 10: 62.8%·Holdings of IWY
VUG
VANGUARD GROWTH INDEX FUND
Reported positions cover 100% of the fund, 144 positions · Jun 30, 2026
Top 10: 63.1%·Holdings of VUG
Reported positions cover IWY 100%, VUG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VUG vs IWY side by side
IWYiShares Russell Top 200 Growth ETF
100
stock positions reported to the SEC
13.3% of its weight is in 39 names VUG does not hold
VUGVANGUARD GROWTH INDEX FUND
144
stock positions reported to the SEC
12.5% of its weight is in 83 names IWY does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IWY has 4.3 points more of it.
The figures side by side
| IWY | VUG | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 100 | 144 |
| Weight of the ten largest | 62.8% | 63.1% |
| Largest position | NVDA 14.2% | NVDA 12.6% |
| Held alone | 39 positions, 13.3% | 83 positions, 12.5% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In IWY | In VUG | Counted |
|---|---|---|---|
| NVDANVIDIA CORP | 14.16% | 12.63% | 12.63% |
| GOOGLALPHABET INC | 11.51% | 10.29% | 10.29% |
| AAPLAPPLE INC | 7.14% | 11.67% | 7.14% |
| MSFTMICROSOFT CORP | 4.56% | 7.61% | 4.56% |
| AVGOBROADCOM INC | 5.64% | 4.28% | 4.28% |
| METAMETA PLATFORMS INC | 3.68% | 3.41% | 3.41% |
| TSLATESLA INC | 4.59% | 3.27% | 3.27% |
| LLYELI LILLY & COMPANY | 3.35% | 2.81% | 2.81% |
| AMDADVANCED MICRO DEVICES INC | 3.25% | 2.62% | 2.62% |
| AMATAPPLIED MATERIALS INC | 1.97% | 1.60% | 1.60% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IWY
Only in VUG
Questions people ask
Is IWY the same as VUG?
74.5% of their weight sits in the same 61 holdings. IWY also reports MU, CAT, GE, which the other does not. VUG also reports INTC, STX, GENERAL ELECTRIC CO, which the other does not.
How is the overlap between IWY and VUG 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 IWY and 100% of VUG, so the number cannot exceed the smaller coverage.
Which holds more, VUG or IWY?
IWY reports 100 stock positions and VUG reports 144. 13.3% of IWY's weight sits in names VUG does not hold, and 12.5% of VUG's weight in names IWY does not hold. The ten largest positions are 62.8% of IWY and 63.1% of VUG.
How do IWY and VUG differ by sector?
The widest gap is Technology: IWY has 4.3 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.
Other pairs with these funds
IWY against other funds in the table
VUG against other funds in the table
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.