ETF comparison
DFCF vs IUSB
Both US Aggregate Bond.
Dimensional Core Fixed Income ETF · iShares Core Universal USD Bond ETF
Holdings overlap
1,503 positions appear in both funds. Buying equal dollars of DFCF and IUSB would leave roughly 15.2% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IUSB is 11 bps cheaper than DFCF. On a $100,000 position that's about $110/yr more in fees for DFCF.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with DFCF vs IUSB.
Top shared holdings
1,503 shared in total| # | Holding | In DFCF | In IUSB | Overlap |
|---|---|---|---|---|
| 1 | Federal National Mortgage Association | 4.10% | 0.41% | 0.41% |
| 2 | United States of America | 0.76% | 0.33% | 0.33% |
| 3 | United States of America | 0.53% | 0.29% | 0.29% |
| 4 | United States of America | 0.65% | 0.29% | 0.29% |
| 5 | United States of America | 0.60% | 0.29% | 0.29% |
| 6 | United States of America | 0.27% | 0.30% | 0.27% |
| 7 | United States of America | 0.65% | 0.27% | 0.27% |
| 8 | United States of America | 0.47% | 0.27% | 0.27% |
| 9 | United States of America | 0.89% | 0.26% | 0.26% |
| 10 | United States of America | 0.75% | 0.26% | 0.26% |
| 11 | United States of America | 0.25% | 0.32% | 0.25% |
| 12 | United States of America | 0.72% | 0.24% | 0.24% |
Only in DFCF
267 total- United States of America 4.70%
- United States of America 3.07%
- United States of America 2.94%
- United States of America 2.93%
- United States of America 2.25%
- United States of America 1.99%
- New Zealand 0.93%
- United States of America 0.50%
- United States of America 0.22%
- United States of America 0.19%
Only in IUSB
16,541 total- United States of America 0.37%
- United States of America 0.37%
- United States of America 0.35%
- United States of America 0.34%
- United States of America 0.34%
- United States of America 0.33%
- United States of America 0.33%
- United States of America 0.33%
- Federal National Mortgage Association or Federal Home Loan Mortgage Corp. 0.31%
- Federal National Mortgage Association or Federal Home Loan Mortgage Corp. 0.30%
Related comparisons
More comparisons with DFCF
- DFCF vs EAGG · iShares ESG U.S. Aggregate Bond ETF 14.7%
- DFCF vs FBND · Fidelity Total Bond ETF 9.5%
- DFCF vs AGGY · WisdomTree Yield Enhanced U.S. Aggregate Bond Fund 9.1%
- DFCF vs BSV · Vanguard Short-Term Bond Index Fund ETF Shares 9.0%
- DFCF vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 7.7%
- DFCF vs BOND · PIMCO Active Bond Exchange-Traded Fund 5.2%
More comparisons with IUSB
- IUSB vs VCRB · Vanguard Core Bond ETF 14.6%
- IUSB vs FBND · Fidelity Total Bond ETF 14.4%
- IUSB vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 14.3%
- IUSB vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 12.5%
- IUSB vs SHY · iShares 1-3 Year Treasury Bond ETF 12.4%
- IUSB vs MBB · iShares MBS ETF 9.0%
Percentages are holdings overlap with the named fund.
Open DFCF or IUSB at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.