DFAC vs IWR overlap - what they share and where they differ
DFAC and IWR share 31.5% of their weight across 692 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.
DFAC and IWR
31.5%
692 shared positions
DFAC
Dimensional U.S. Core Equity 2 ETF
Reported positions cover 100% of the fund, 2,313 positions · Jul 31, 2026
Top 10: 26.9%·Holdings of DFAC
IWR
iShares Russell Mid-Cap ETF
Reported positions cover 100% of the fund, 812 positions · Jun 30, 2026
Top 10: 5.6%·Holdings of IWR
Reported positions cover DFAC 100%, IWR 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
IWR vs DFAC side by side
DFACDimensional U.S. Core Equity 2 ETF
2,313
stock positions reported to the SEC
68.2% of its weight is in 1,621 names IWR does not hold
IWRiShares Russell Mid-Cap ETF
812
stock positions reported to the SEC
10.7% of its weight is in 120 names DFAC does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: DFAC has 15.3 points more of it.
The figures side by side
| DFAC | IWR | |
|---|---|---|
| Filing date | Jul 31, 2026 | Jun 30, 2026 |
| Stock positions reported | 2,313 | 812 |
| Weight of the ten largest | 26.9% | 5.6% |
| Largest position | NVDA 5.3% | DDOG 0.6% |
| Held alone | 1,621 positions, 68.2% | 120 positions, 10.7% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In DFAC | In IWR | Counted |
|---|---|---|---|
| RCLROYAL CARIBBEAN CRUISES LTD. | 0.24% | 0.58% | 0.24% |
| MPCMARATHON PETROLEUM CORPORATION | 0.21% | 0.54% | 0.21% |
| URIUNITED RENTALS, INC. | 0.20% | 0.51% | 0.20% |
| DVNDEVON ENERGY CORPORATION | 0.19% | 0.34% | 0.19% |
| HPEHEWLETT PACKARD ENTERPRISE COMPANY | 0.19% | 0.43% | 0.19% |
| ALLTHE ALLSTATE CORPORATION | 0.18% | 0.44% | 0.18% |
| DALDELTA AIR LINES, INC. | 0.18% | 0.44% | 0.18% |
| PSXPHILLIPS 66 | 0.17% | 0.49% | 0.17% |
| AMPAMERIPRISE FINANCIAL, INC. | 0.16% | 0.30% | 0.16% |
| FIXCOMFORT SYSTEMS USA, INC. | 0.16% | 0.50% | 0.16% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in DFAC
Only in IWR
Questions people ask
Is DFAC the same as IWR?
31.5% of their weight sits in the same 692 holdings. DFAC also reports NVDA, AAPL, MSFT, which the other does not. IWR also reports SPG, DLR, O, which the other does not.
How is the overlap between DFAC and IWR 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 DFAC and 100% of IWR, so the number cannot exceed the smaller coverage.
Which holds more, IWR or DFAC?
DFAC reports 2,313 stock positions and IWR reports 812. 68.2% of DFAC's weight sits in names IWR does not hold, and 10.7% of IWR's weight in names DFAC does not hold. The ten largest positions are 26.9% of DFAC and 5.6% of IWR.
How do DFAC and IWR differ by sector?
The widest gap is Technology: DFAC has 15.3 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.
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.