ETF comparison
IUSB vs JCPB
Both US Aggregate Bond.
iShares Core Universal USD Bond ETF · JPMorgan Core Plus Bond ETF
Holdings overlap
1,322 positions appear in both funds. Buying equal dollars of IUSB and JCPB would leave roughly 7.2% 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 31 bps cheaper than JCPB. On a $100,000 position that's about $310/yr more in fees for JCPB.
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 IUSB vs JCPB.
Top shared holdings
1,322 shared in total| # | Holding | In IUSB | In JCPB | Overlap |
|---|---|---|---|---|
| 1 | United States of America | 0.34% | 0.79% | 0.34% |
| 2 | United States of America | 0.24% | 0.65% | 0.24% |
| 3 | United States of America | 0.22% | 1.15% | 0.22% |
| 4 | United States of America | 0.17% | 0.88% | 0.17% |
| 5 | United States of America | 0.16% | 3.17% | 0.16% |
| 6 | United States of America | 0.16% | 0.55% | 0.16% |
| 7 | United States of America | 0.15% | 0.58% | 0.15% |
| 8 | United States of America | 0.15% | 0.33% | 0.15% |
| 9 | United States of America | 0.13% | 0.39% | 0.13% |
| 10 | United States of America | 0.13% | 0.39% | 0.13% |
| 11 | United States of America | 0.35% | 0.13% | 0.13% |
| 12 | United States of America | 0.16% | 0.13% | 0.13% |
Only in IUSB
16,722 total- Federal National Mortgage Association or Federal Home Loan Mortgage Corp. 0.41%
- United States of America 0.37%
- United States of America 0.37%
- United States of America 0.36%
- 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%
- United States of America 0.33%
Only in JCPB
1,303 total- FNMA/FHLMC 1.78%
- FNMA/FHLMC 1.36%
- FNMA/FHLMC 1.24%
- United States of America 0.29%
- FHLMC Pool 0.29%
- GNMA 0.28%
- FNMA 0.26%
- GNMA 0.26%
- GNMA 0.26%
- GNMA 0.25%
Related comparisons
More comparisons with IUSB
- IUSB vs VMBS · Vanguard Mortgage-Backed Securities Index Fund ETF Shares 4.7%
- IUSB vs NEAR · iShares Short Duration Bond Active ETF 4.1%
- IUSB vs TLT · iShares 20+ Year Treasury Bond ETF 4.1%
- IUSB vs BINC · iShares Flexible Income Active ETF 3.7%
- IUSB vs SPMB · State Street SPDR Portfolio Mortgage Backed Bond ETF 3.6%
- IUSB vs BOND · PIMCO Active Bond Exchange-Traded Fund 3.2%
More comparisons with JCPB
- JCPB vs AGG · iShares Core U.S. Aggregate Bond ETF 6.8%
- JCPB vs FBND · Fidelity Total Bond ETF 6.7%
- JCPB vs BND · Vanguard Total Bond Market Index Fund ETF Shares 6.4%
- JCPB vs SPAB · State Street SPDR Portfolio Aggregate Bond ETF 6.2%
- JCPB vs SCHZ · Schwab U.S. Aggregate Bond ETF 6.2%
- JCPB vs EAGG · iShares ESG U.S. Aggregate Bond ETF 6.0%
Percentages are holdings overlap with the named fund.
Open IUSB or JCPB 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.