IWY vs VONG overlap - what they share and where they differ
IWY and VONG share 70.2% of their weight across 83 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 VONG
70.2%
83 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
VONG
VANGUARD RUSSELL 1000 GROWTH INDEX FUND
Reported positions cover 100% of the fund, 311 positions · May 31, 2026
Top 10: 62.8%·Holdings of VONG
Reported positions cover IWY 100%, VONG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
VONG vs IWY side by side
IWYiShares Russell Top 200 Growth ETF
100
stock positions reported to the SEC
10.4% of its weight is in 17 names VONG does not hold
VONGVANGUARD RUSSELL 1000 GROWTH INDEX FUND
311
stock positions reported to the SEC
11.8% of its weight is in 228 names IWY does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IWY has 10.1 points more of it.
The figures side by side
| IWY | VONG | |
|---|---|---|
| Filing date | Jun 30, 2026 | May 31, 2026 |
| Stock positions reported | 100 | 311 |
| Weight of the ten largest | 62.8% | 62.8% |
| Largest position | NVDA 14.2% | NVDA 13.1% |
| Held alone | 17 positions, 10.4% | 228 positions, 11.8% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In IWY | In VONG | Counted |
|---|---|---|---|
| NVDANVIDIA CORP | 14.16% | 13.07% | 13.07% |
| AAPLAPPLE INC | 7.14% | 11.95% | 7.14% |
| GOOGLALPHABET INC | 11.51% | 7.06% | 7.06% |
| AVGOBROADCOM INC | 5.64% | 5.77% | 5.64% |
| MSFTMICROSOFT CORP | 4.56% | 8.96% | 4.56% |
| TSLATESLA INC | 4.59% | 3.48% | 3.48% |
| METAMETA PLATFORMS INC | 3.68% | 3.19% | 3.19% |
| LLYELI LILLY & COMPANY | 3.35% | 2.67% | 2.67% |
| VVISA INC | 1.95% | 1.57% | 1.57% |
| AMDADVANCED MICRO DEVICES INC | 3.25% | 1.46% | 1.46% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IWY
Only in VONG
Questions people ask
Is IWY the same as VONG?
70.2% of their weight sits in the same 83 holdings. IWY also reports MU, GE, SNDK, which the other does not. VONG also reports GENERAL ELECTRIC CO, VRTX, SNOW, which the other does not.
How is the overlap between IWY and VONG 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 VONG, so the number cannot exceed the smaller coverage.
Which holds more, VONG or IWY?
IWY reports 100 stock positions and VONG reports 311. 10.4% of IWY's weight sits in names VONG does not hold, and 11.8% of VONG's weight in names IWY does not hold. The ten largest positions are 62.8% of IWY and 62.8% of VONG.
How do IWY and VONG differ by sector?
The widest gap is Technology: IWY has 10.1 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
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.