IUSG vs RPG overlap - what they share and where they differ
IUSG and RPG share 34.6% of their weight across 65 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.
IUSG and RPG
34.6%
65 shared positions
IUSG
iShares Core S&P U.S. Growth ETF
Reported positions cover 100% of the fund, 388 positions · Jun 30, 2026
Top 10: 56.1%·Holdings of IUSG
RPG
Invesco S&P 500 Pure Growth ETF
Reported positions cover 100% of the fund, 65 positions · Jul 31, 2026
Top 10: 29.4%·Holdings of RPG
Reported positions cover IUSG 100%, RPG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
RPG vs IUSG side by side
IUSGiShares Core S&P U.S. Growth ETF
388
stock positions reported to the SEC
32.1% of its weight is in 323 names RPG does not hold
RPGInvesco S&P 500 Pure Growth ETF
65
stock positions reported to the SEC
0.0% of its weight is in 0 names IUSG does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IUSG has 17.2 points more of it.
The figures side by side
| IUSG | RPG | |
|---|---|---|
| Filing date | Jun 30, 2026 | Jul 31, 2026 |
| Stock positions reported | 388 | 65 |
| Weight of the ten largest | 56.1% | 29.4% |
| Largest position | NVDA 13.0% | SNDK 6.3% |
| Held alone | 323 positions, 32.1% | 0 positions, 0.0% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In IUSG | In RPG | Counted |
|---|---|---|---|
| MUMICRON TECHNOLOGY INC | 3.48% | 3.42% | 3.42% |
| AMDADVANCED MICRO DEVICES INC | 2.53% | 2.48% | 2.48% |
| BRK.ABERKSHIRE HATHAWAY INC | 2.45% | 2.24% | 2.24% |
| LLYELI LILLY & COMPANY | 2.54% | 1.79% | 1.79% |
| GOOGLALPHABET INC | 10.07% | 1.72% | 1.72% |
| NVDANVIDIA CORP | 12.95% | 1.60% | 1.60% |
| AVGOBROADCOM INC | 4.78% | 1.58% | 1.58% |
| AMATAPPLIED MATERIALS INC | 1.53% | 1.54% | 1.53% |
| LRCXLAM RESEARCH CORP | 1.45% | 1.84% | 1.45% |
| CATCATERPILLAR INC | 1.31% | 1.21% | 1.21% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IUSG
Only in RPG
Nothing among its reported positions that the others do not also hold.
Questions people ask
Is IUSG the same as RPG?
34.6% of their weight sits in the same 65 holdings. IUSG also reports AAPL, AMZN, TSLA, which the other does not. Among its reported positions, RPG holds nothing the other does not also hold.
How is the overlap between IUSG and RPG 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 IUSG and 100% of RPG, so the number cannot exceed the smaller coverage.
Which holds more, RPG or IUSG?
IUSG reports 388 stock positions and RPG reports 65. 32.1% of IUSG's weight sits in names RPG does not hold, and 0.0% of RPG's weight in names IUSG does not hold. The ten largest positions are 56.1% of IUSG and 29.4% of RPG.
How do IUSG and RPG differ by sector?
The widest gap is Technology: IUSG has 17.2 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
IUSG 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.