CGUS vs IUSG overlap - what they share and where they differ
CGUS and IUSG share 46.9% of their weight across 30 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.
CGUS and IUSG
46.9%
30 shared positions
CGUS
Capital Group Core Equity ETF
Reported positions cover 100% of the fund, 65 positions · May 31, 2026
Top 10: 45.0%·Holdings of CGUS
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
Reported positions cover CGUS 100%, IUSG 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IUSG vs CGUS side by side
CGUSCapital Group Core Equity ETF
65
stock positions reported to the SEC
34.4% of its weight is in 35 names IUSG does not hold
IUSGiShares Core S&P U.S. Growth ETF
388
stock positions reported to the SEC
36.8% of its weight is in 358 names CGUS does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IUSG has 17.6 points more of it.
The figures side by side
| CGUS | IUSG | |
|---|---|---|
| Filing date | May 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 65 | 388 |
| Weight of the ten largest | 45.0% | 56.1% |
| Largest position | NVDA 6.9% | NVDA 13.0% |
| Held alone | 35 positions, 34.4% | 358 positions, 36.8% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In CGUS | In IUSG | Counted |
|---|---|---|---|
| NVDANVIDIA Corp | 6.85% | 12.95% | 6.85% |
| MSFTMicrosoft Corp | 5.75% | 7.41% | 5.75% |
| GOOGLAlphabet Inc | 5.15% | 10.07% | 5.15% |
| AVGOBroadcom Inc | 6.33% | 4.78% | 4.78% |
| AMZNAmazon.com Inc | 5.04% | 3.31% | 3.31% |
| METAMeta Platforms Inc | 3.79% | 3.31% | 3.31% |
| AAPLApple Inc | 2.76% | 5.68% | 2.76% |
| LLYEli Lilly & Co | 3.92% | 2.54% | 2.54% |
| JPMJPMorgan Chase & Co | 1.79% | 1.59% | 1.59% |
| AMATApplied Materials Inc | 2.57% | 1.53% | 1.53% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in CGUS
Only in IUSG
Questions people ask
Is CGUS the same as IUSG?
46.9% of their weight sits in the same 30 holdings. CGUS also reports CAPITAL GROUP CENTRAL CASH FUND, TSM, BTI, which the other does not. IUSG also reports MU, AMD, BRK.A, which the other does not.
How is the overlap between CGUS and IUSG 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 CGUS and 100% of IUSG, so the number cannot exceed the smaller coverage.
Which holds more, IUSG or CGUS?
CGUS reports 65 stock positions and IUSG reports 388. 34.4% of CGUS's weight sits in names IUSG does not hold, and 36.8% of IUSG's weight in names CGUS does not hold. The ten largest positions are 45.0% of CGUS and 56.1% of IUSG.
How do CGUS and IUSG differ by sector?
The widest gap is Technology: IUSG has 17.6 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.